HomeMy WebLinkAboutBLDG-2883-2023_STAMPED ENERGY REPORTBUILDING ENERGY ANALYSIS REPORT
PROJECT:
Project Designer:
Report Prepared by:
Job Number:
Date:
The EnergyPro computer program has been used to perform the calculations summarized in this compliance report. This program has approval and is
authorized by the California Energy Commission for use with both the Residential and Nonresidential 2022 Building Energy Efficiency Standards.
This program developed by EnergySoft, LLC – www.energysoft.com.
,
133 Foothill Blvd
Foothill Blvd ADU
San Luis Obispo, CA 93405
2238 Bayview Heights Drive, Suite E
Carstairs Energy Inc.
Timothy Carstairs, CEA, HERS, GPR
Los Osos, CA 93402
805-904-9048
23-103114
1/18/2024
02/27/2024November 1, 201 November 2, 201 November 6, 201 November 8, 201
REVIEWED FOR
CODE COMPLIANCE
City of San Luis Obispo
Building & Safety Division
TABLE OF CONTENTS
Form MF1R Mandatory Measures Summary
Room Load Summary
Cover Page
Table of Contents
Form CF1R-PRF-01-E Certificate of Compliance
Form RMS-1 Residential Measures Summary
15
20
1
2
3
14
CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01E
Project Name:Foothill Blvd ADU Calculation Date/Time:2023-10-31T14:06:48-07:00 (Page 1 of 11)
Calculation Description:Title 24 Analysis Input File Name:Foothill Blvd ADU (133).ribd22x
Registration Number:Registration Date/Time: HERS Provider:
CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000
Schema Version: rev 20220901
Report Generated: 2023-10-31 14:08:05
GENERAL INFORMATION
01 Project Name Foothill Blvd ADU
02 Run Title Title 24 Analysis
03 Project Location 133 Foothill Blvd
04 City San Luis Obispo 05 Standards Version 2022
06 Zip code 93405 07 Software Version EnergyPro 9.2
08 Climate Zone 5 09 Front Orientation (deg/ Cardinal)0
10 Building Type Single family 11 Number of Dwelling Units 1
12 Project Scope Newly Constructed 13 Number of Bedrooms 4
14 Addition Cond. Floor Area (ft
2)0 15 Number of Stories 1
16 Existing Cond. Floor Area (ft
2)n/a 17 Fenestration Average U-factor 0.3
18 Total Cond. Floor Area (ft
2)1000 19 Glazing Percentage (%)24.93%
20 ADU Bedroom Count n/a 21 ADU Conditioned Floor Area n/a
22 Fuel Type All electric 23 No Dwelling Unit:No
COMPLIANCE RESULTS
01 Building Complies with Computer Performance
02 This building incorporates features that require field testing and/or verification by a certified HERS rater under the supervision of a CEC-approved HERS provider.
03 This building incorporates one or more Special Features shown below
224-P010008299A-000-000-0000000-0000 2024-01-18 11:22:37 CalCERTS inc.
CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01E
Project Name:Foothill Blvd ADU Calculation Date/Time:2023-10-31T14:06:48-07:00 (Page 2 of 11)
Calculation Description:Title 24 Analysis Input File Name:Foothill Blvd ADU (133).ribd22x
Registration Number:Registration Date/Time: HERS Provider:
CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000
Schema Version: rev 20220901
Report Generated: 2023-10-31 14:08:05
ENERGY DESIGN RATINGS
Energy Design Ratings Compliance Margins
Source Energy
(EDR1)
Efficiency1 EDR
(EDR2efficiency)
Total2 EDR
(EDR2total)
Source Energy
(EDR1)
Efficiency1 EDR
(EDR2efficiency)
Total2 EDR
(EDR2total)
Standard Design 31.6 31.5 33.7
Proposed Design 28.4 24.7 29.8 3.2 6.8 3.9
RESULT3: PASS
1Efficiency EDR includes improvements like a better building envelope and more efficient equipment
2Total EDR includes efficiency and demand response measures such as photovoltaic (PV) system and batteries
3Building complies when source energy, efficiency and total compliance margins are greater than or equal to zero and unmet load hour limits are not exceeded
•Standard Design PV Capacity: 2.34 kWdc
•PV System resized to 2.34 kWdc (a factor of 2.340) to achieve 'Standard Design PV' PV scaling
224-P010008299A-000-000-0000000-0000 2024-01-18 11:22:37 CalCERTS inc.
CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01E
Project Name:Foothill Blvd ADU Calculation Date/Time:2023-10-31T14:06:48-07:00 (Page 3 of 11)
Calculation Description:Title 24 Analysis Input File Name:Foothill Blvd ADU (133).ribd22x
Registration Number:Registration Date/Time: HERS Provider:
CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000
Schema Version: rev 20220901
Report Generated: 2023-10-31 14:08:05
ENERGY USE SUMMARY
Energy Use
Standard Design Source
Energy (EDR1) (kBtu/ft
2 -yr)
Standard Design TDV Energy
(EDR2) (kTDV/ft
2 -yr)
Proposed Design Source
Energy (EDR1) (kBtu/ft
2 -yr)
Proposed Design TDV Energy
(EDR2) (kTDV/ft
2 -yr)
Compliance
Margin (EDR1)
Compliance
Margin (EDR2)
Space Heating 3.5 23.75 3.34 26.65 0.16 -2.9
Space Cooling 0.02 0.8 0 0.2 0.02 0.6
IAQ Ventilation 0.51 5.51 0.51 5.51 0 0
Water Heating 3.37 38.92 1.89 21.74 1.48 17.18
Self
Utilization/Flexibility
Credit
0 0
Efficiency Compliance
Total 7.4 68.98 5.74 54.1 1.66 14.88
Photovoltaics -2.45 -69.45 -2.45 -69.41
Battery 0 0
Flexibility
Indoor Lighting 0.86 9.12 0.86 9.12
Appl. & Cooking 4.18 53.01 4.15 52.64
Plug Loads 6.37 68.33 6.37 68.33
Outdoor Lighting 0.2 1.94 0.2 1.94
TOTAL COMPLIANCE 16.56 131.93 14.87 116.72
224-P010008299A-000-000-0000000-0000 2024-01-18 11:22:37 CalCERTS inc.
CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01E
Project Name:Foothill Blvd ADU Calculation Date/Time:2023-10-31T14:06:48-07:00 (Page 4 of 11)
Calculation Description:Title 24 Analysis Input File Name:Foothill Blvd ADU (133).ribd22x
Registration Number:Registration Date/Time: HERS Provider:
CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000
Schema Version: rev 20220901
Report Generated: 2023-10-31 14:08:05
ENERGY USE INTENSITY
Standard Design (kBtu/ft
2 - yr )Proposed Design (kBtu/ft
2 - yr )Compliance Margin (kBtu/ft
2 - yr )
Margin Percentage
Gross EUI
1 24.8 22.77 2.03 8.19
Net EUI
2 11.59 9.57 2.02 17.43
Notes
1. Gross EUI is Energy Use Total (not including PV) / Total Building Area.
2. Net EUI is Energy Use Total (including PV) / Total Building Area.
REQUIRED PV SYSTEMS
01 02 03 04 05 06 07 08 09 10 11 12
DC System Size
(kWdc)Exception Module Type Array Type Power Electronics CFI Azimuth
(deg)
Tilt
Input
Array Angle
(deg)
Tilt: (x in
12)
Inverter Eff.
(%)
Annual
Solar Access
(%)
2.34 NA Standard (14-17%)Fixed none true 150-270 n/a n/a <=7:12 96 98
REQUIRED SPECIAL FEATURES
The following are features that must be installed as condition for meeting the modeled energy performance for this computer analysis.
•Variable capacity heat pump compliance option (verification details from VCHP Staff report, Appendix B, and RA3)
•Northwest Energy Efficiency Alliance (NEEA) rated heat pump water heater; specific brand/model, or equivalent, must be installed
HERS FEATURE SUMMARY
The following is a summary of the features that must be field-verified by a certified HERS Rater as a condition for meeting the modeled energy performance for this computer analysis. Additional
detail is provided in the building tables below. Registered CF2Rs and CF3Rs are required to be completed in the HERS Registry
•Indoor air quality ventilation
•Kitchen range hood
•Verified Refrigerant Charge
•Airflow in habitable rooms (SC3.1.4.1.7)
•Verified heat pump rated heating capacity
•Wall-mounted thermostat in zones greater than 150 ft2 (SC3.4.5)
•Ductless indoor units located entirely in conditioned space (SC3.1.4.1.8)
224-P010008299A-000-000-0000000-0000 2024-01-18 11:22:37 CalCERTS inc.
CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01E
Project Name:Foothill Blvd ADU Calculation Date/Time:2023-10-31T14:06:48-07:00 (Page 5 of 11)
Calculation Description:Title 24 Analysis Input File Name:Foothill Blvd ADU (133).ribd22x
Registration Number:Registration Date/Time: HERS Provider:
CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000
Schema Version: rev 20220901
Report Generated: 2023-10-31 14:08:05
BUILDING - FEATURES INFORMATION
01 02 03 04 05 06 07
Project Name Conditioned Floor Area (ft
2)Number of Dwelling
Units Number of Bedrooms Number of Zones
Number of Ventilation
Cooling Systems
Number of Water
Heating Systems
Foothill Blvd ADU 1000 1 4 1 0 1
ZONE INFORMATION
01 02 03 04 05 06 07
Zone Name Zone Type HVAC System Name Zone Floor Area (ft
2)Avg. Ceiling Height Water Heating System 1 Status
Living Area Conditioned HVAC System1 1000 10.5 DHW Sys 1 New
OPAQUE SURFACES
01 02 03 04 05 06 07 08
Name Zone Construction Azimuth Orientation Gross Area (ft
2)Window and Door
Area (ft2)
Tilt (deg)
Front Wall Living Area R-21 Wall 0 Front 499 136 90
Left Wall Living Area R-21 Wall 90 Left 268 15.4 90
Rear Wall Living Area R-21 Wall 180 Back 499 97 90
Right Wall Living Area R-21 Wall 270 Right 268 20.9 90
OPAQUE SURFACES - CATHEDRAL CEILINGS
01 02 03 04 05 06 07 08 09 10 11
Name Zone Construction Azimuth Orientation Area (ft
2)
Skylight Area
(ft2)
Roof Rise (x in
12)
Roof
Reflectance Roof Emittance Cool Roof
Roof Living Area
R-30 Roof No
Attic 0 Front 1000 0 2 0.1 0.85 No
224-P010008299A-000-000-0000000-0000 2024-01-18 11:22:37 CalCERTS inc.
CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01E
Project Name:Foothill Blvd ADU Calculation Date/Time:2023-10-31T14:06:48-07:00 (Page 6 of 11)
Calculation Description:Title 24 Analysis Input File Name:Foothill Blvd ADU (133).ribd22x
Registration Number:Registration Date/Time: HERS Provider:
CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000
Schema Version: rev 20220901
Report Generated: 2023-10-31 14:08:05
FENESTRATION / GLAZING
01 02 03 04 05 06 07 08 09 10 11 12 13 14
Name Type Surface Orientation Azimuth Width
(ft)
Height
(ft)Mult.Area
(ft2)U-factor U-factor
Source SHGC SHGC Source Exterior Shading
A Window Front Wall Front 0 1 21 0.3 NFRC 0.35 NFRC Bug Screen
A 2 Window Front Wall Front 0 1 21 0.3 NFRC 0.35 NFRC Bug Screen
C Window Front Wall Front 0 1 14 0.3 NFRC 0.35 NFRC Bug Screen
H Window Front Wall Front 0 1 12 0.3 NFRC 0.35 NFRC Bug Screen
H 2 Window Front Wall Front 0 1 12 0.3 NFRC 0.35 NFRC Bug Screen
H 3 Window Front Wall Front 0 1 12 0.3 NFRC 0.35 NFRC Bug Screen
H 4 Window Front Wall Front 0 1 12 0.3 NFRC 0.35 NFRC Bug Screen
H 5 Window Front Wall Front 0 1 12 0.3 NFRC 0.35 NFRC Bug Screen
E Window Left Wall Left 90 1 3.3 0.3 NFRC 0.35 NFRC Bug Screen
E 2 Window Left Wall Left 90 1 3.3 0.3 NFRC 0.35 NFRC Bug Screen
D Window Left Wall Left 90 1 8.8 0.3 NFRC 0.35 NFRC Bug Screen
A 3 Window Rear Wall Back 180 1 21 0.3 NFRC 0.35 NFRC Bug Screen
A 4 Window Rear Wall Back 180 1 21 0.3 NFRC 0.35 NFRC Bug Screen
G Window Rear Wall Back 180 1 8 0.3 NFRC 0.35 NFRC Bug Screen
C 2 Window Rear Wall Back 180 1 14 0.3 NFRC 0.35 NFRC Bug Screen
F Window Rear Wall Back 180 1 12 0.3 NFRC 0.35 NFRC Bug Screen
A 5 Window Rear Wall Back 180 1 21 0.3 NFRC 0.35 NFRC Bug Screen
D 2 Window Right Wall Right 270 1 8.8 0.3 NFRC 0.35 NFRC Bug Screen
224-P010008299A-000-000-0000000-0000 2024-01-18 11:22:37 CalCERTS inc.
CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01E
Project Name:Foothill Blvd ADU Calculation Date/Time:2023-10-31T14:06:48-07:00 (Page 7 of 11)
Calculation Description:Title 24 Analysis Input File Name:Foothill Blvd ADU (133).ribd22x
Registration Number:Registration Date/Time: HERS Provider:
CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000
Schema Version: rev 20220901
Report Generated: 2023-10-31 14:08:05
FENESTRATION / GLAZING
01 02 03 04 05 06 07 08 09 10 11 12 13 14
Name Type Surface Orientation Azimuth Width
(ft)
Height
(ft)Mult.Area
(ft2)U-factor U-factor
Source SHGC SHGC Source Exterior Shading
E 3 Window Right Wall Right 270 1 3.3 0.3 NFRC 0.35 NFRC Bug Screen
D 3 Window Right Wall Right 270 1 8.8 0.3 NFRC 0.35 NFRC Bug Screen
OPAQUE DOORS
01 02 03 04
Name Side of Building Area (ft
2)U-factor
Door 1 Front Wall 20 0.2
SLAB FLOORS
01 02 03 04 05 06 07 08
Name Zone Area (ft
2)Perimeter (ft)
Edge Insul. R-value
and Depth
Edge Insul. R-value
and Depth
Carpeted Fraction Heated
Slab Living Area 1000 146 none 0 80%No
OPAQUE SURFACE CONSTRUCTIONS
01 02 03 04 05 06 07 08
Construction Name Surface Type Construction Type Framing Total Cavity
R-value
Interior / Exterior
Continuous
R-value
U-factor Assembly Layers
R-21 Wall Exterior Walls Wood Framed Wall 2x6 @ 16 in. O. C.R-21 None / None 0.069
Inside Finish: Gypsum Board
Cavity / Frame: R-21 / 2x6
Exterior Finish: 3 Coat Stucco
224-P010008299A-000-000-0000000-0000 2024-01-18 11:22:37 CalCERTS inc.
CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01E
Project Name:Foothill Blvd ADU Calculation Date/Time:2023-10-31T14:06:48-07:00 (Page 8 of 11)
Calculation Description:Title 24 Analysis Input File Name:Foothill Blvd ADU (133).ribd22x
Registration Number:Registration Date/Time: HERS Provider:
CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000
Schema Version: rev 20220901
Report Generated: 2023-10-31 14:08:05
OPAQUE SURFACE CONSTRUCTIONS
01 02 03 04 05 06 07 08
Construction Name Surface Type Construction Type Framing Total Cavity
R-value
Interior / Exterior
Continuous
R-value
U-factor Assembly Layers
R-30 Roof No Attic Cathedral Ceilings
Wood Framed
Ceiling 2x12 @ 16 in. O. C.R-30 None / None 0.036
Roofing: Light Roof (Asphalt Shingle)
Roof Deck: Wood
Siding/sheathing/decking
Cavity / Frame: R-30 / 2x12
Inside Finish: Gypsum Board
BUILDING ENVELOPE - HERS VERIFICATION
01 02 03 04 05
Quality Insulation Installation (QII)High R-value Spray Foam Insulation Building Envelope Air Leakage CFM50 CFM50
Not Required Not Required N/A n/a n/a
WATER HEATING SYSTEMS
01 02 03 04 05 06 07 08 09
Name System Type Distribution Type Water Heater Name Number of Units
Solar Heating
System
Compact
Distribution HERS Verification
Water Heater
Name (#)
DHW Sys 1
Domestic Hot
Water (DHW)
Standard DHW Heater 1 1 n/a None n/a DHW Heater 1 (1)
WATER HEATERS - NEEA HEAT PUMP
01 02 03 04 05 06 07 08
Name # of Units Tank Vol. (gal)
NEEA Heat Pump
Brand
NEEA Heat Pump
Model Tank Location Duct Inlet Air Source Duct Outlet Air Source
DHW Heater 1 1 50 Rheem XE50T10H22U0 (50
gal, JA13)
Outside Living Area Living Area
224-P010008299A-000-000-0000000-0000 2024-01-18 11:22:37 CalCERTS inc.
CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01E
Project Name:Foothill Blvd ADU Calculation Date/Time:2023-10-31T14:06:48-07:00 (Page 9 of 11)
Calculation Description:Title 24 Analysis Input File Name:Foothill Blvd ADU (133).ribd22x
Registration Number:Registration Date/Time: HERS Provider:
CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000
Schema Version: rev 20220901
Report Generated: 2023-10-31 14:08:05
WATER HEATING - HERS VERIFICATION
01 02 03 04 05 06 07
Name Pipe Insulation Parallel Piping Compact Distribution
Compact Distribution
Type Recirculation Control
Shower Drain Water Heat
Recovery
DHW Sys 1 - 1/1 Not Required Not Required Not Required None Not Required Not Required
SPACE CONDITIONING SYSTEMS
01 02 03 04 05 06 07 08 09
Name System Type Heating Unit Name
Heating Equipment
Count Cooling Unit Name
Cooling Equipment
Count Fan Name Distribution Name
Required
Thermostat Type
HVAC System1
Heat pump
heating cooling
Heat Pump System
1 1 Heat Pump System
1 1 n/a n/a Setback
HVAC - HEAT PUMPS
01 02 03 04 05 06 07 08 09 10 11 12 13
Name System Type
Number of
Units
Heating Cooling
Zonally
Controlled
Compressor
Type HERS Verification
Heating
Efficiency
Type
HSPF/HS
PF2/COP Cap 47 Cap 17
Cooling
Efficiency
Type
SEER/SE
ER2
EER/EER
2/CEER
Heat Pump
System 1
VCHP-ductless 1 HSPF 8.8 24000 19000 EERSEER 15 12.2 Not Zonal
Single
Speed
Heat Pump System
1-hers-htpump
HVAC HEAT PUMPS - HERS VERIFICATION
01 02 03 04 05 06 07 08 09
Name Verified Airflow Airflow Target Verified EER/EER2
Verified
SEER/SEER2
Verified Refrigerant
Charge
Verified
HSPF/HSPF2
Verified Heating
Cap 47
Verified Heating
Cap 17
Heat Pump System
1-hers-htpump Not Required 0 Not Required Not Required Yes No Yes Yes
224-P010008299A-000-000-0000000-0000 2024-01-18 11:22:37 CalCERTS inc.
CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01E
Project Name:Foothill Blvd ADU Calculation Date/Time:2023-10-31T14:06:48-07:00 (Page 10 of 11)
Calculation Description:Title 24 Analysis Input File Name:Foothill Blvd ADU (133).ribd22x
Registration Number:Registration Date/Time: HERS Provider:
CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000
Schema Version: rev 20220901
Report Generated: 2023-10-31 14:08:05
VARIABLE CAPACITY HEAT PUMP COMPLIANCE OPTION - HERS VERIFICATION
01 02 03 04 05 06 07 08 09 10
Name
Certified
Low-Static
VCHP System
Airflow to
Habitable
Rooms
Ductless Units
in Conditioned
Space
Wall Mount
Thermostat
Air Filter Sizing
& Pressure
Drop Rating
Low Leakage
Ducts in
Conditioned
Space
Minimum
Airflow per
RA3.3 and
SC3.3.3.4.1
Certified
non-continuous
Fan
Indoor Fan not
Running
Continuously
Heat Pump System 1 Not required Required Required Required Not required Not required Not required Not required Not required
INDOOR AIR QUALITY (IAQ) FANS
01 02 03 04 05 06 07 08 09
Dwelling Unit Airflow (CFM)
Fan Efficacy
(W/CFM)IAQ Fan Type
Includes
Heat/Energy
Recovery?
IAQ Recovery
Effectiveness -
SRE/ASRE
Includes Fault
Indicator Display?
HERS Verification Status
SFam IAQVentRpt 66 0.35 Exhaust No n/a / n/a No Yes
224-P010008299A-000-000-0000000-0000 2024-01-18 11:22:37 CalCERTS inc.
CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01E
Project Name:Foothill Blvd ADU Calculation Date/Time:2023-10-31T14:06:48-07:00 (Page 11 of 11)
Calculation Description:Title 24 Analysis Input File Name:Foothill Blvd ADU (133).ribd22x
Registration Number:Registration Date/Time: HERS Provider:
CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000
Schema Version: rev 20220901
Report Generated: 2023-10-31 14:08:05
DOCUMENTATION AUTHOR'S DECLARATION STATEMENT
1. I certify that this Certificate of Compliance documentation is accurate and complete.
Documentation Author Name:Documentation Author Signature:
Company:Signature Date:
Address:CEA/ HERS Certification Identification (If applicable):
City/State/Zip:Phone:
RESPONSIBLE PERSON'S DECLARATION STATEMENT
I certify the following under penalty of perjury, under the laws of the State of California:
1.I am eligible under Division 3 of the Business and Professions Code to accept responsibility for the building design identified on this Certificate of Compliance.
2.I certify that the energy features and performance specifications identified on this Certificate of Compliance conform to the requirements of Title 24, Part 1 and Part 6 of the California Code of Regulations.
3.The building design features or system design features identified on this Certificate of Compliance are consistent with the information provided on other applicable compliance documents, worksheets,
calculations, plans and specifications submitted to the enforcement agency for approval with this building permit application.
Responsible Designer Name:Responsible Designer Signature:
Company:Date Signed:
Address:License:
City/State/Zip:Phone:
Easy to Verify
at CalCERTS.com
Timothy Carstairs
Carstairs Energy Inc.
2238 Bayview Heights Drive, Suite E
Los Osos, CA 93402
2024-01-18 11:17:06
r160610042
805-904-9048
Chris Allen
CWA Studios
1668 Sydney Street
San Luis Obispo, CA 93401
2024-01-18 11:22:37
C35818
805-286-5186
Digitally signed by CalCERTS. This digital signature is provided in order to secure the content of this registered document, and in no way implies
Registration Provider responsibility for the accuracy of the information.
224-P010008299A-000-000-0000000-0000 2024-01-18 11:22:37 CalCERTS inc.
RESIDENTIAL MEASURES SUMMARY RMS-1
Project Name Building Type o Single Family o Addition Alone Date
o Multi Family o Existing+ Addition/Alteration
Project Address California Energy Climate Zone Total Cond. Floor Area Addition # of Units
INSULATION Area
Construction Type Cavity (ft2) Special Features Status
FENESTRATION Total Area: Glazing Percentage: New/Altered Average U-Factor:
Orientation Area(ft2) U-Fac SHGC Overhang Sidefins Exterior Shades Status
HVAC SYSTEMS
Qty. Heating Min. Eff Cooling Min. Eff Thermostat Status
HVAC DISTRIBUTION Duct
Location Heating Cooling Duct Location R-Value Status
WATER HEATING
Qty. Type Gallons Min. Eff Distribution Status
Foothill Blvd ADU
133 Foothill Blvd San Luis Obispo
1/18/2024
✔
CA Climate Zone 05 1,000 1
Wood Framed Rafter
Wall
Door
Roof
Slab
Wood Framed
Opaque Door
Unheated Slab-on-Grade
1,265
20
1,000
1,000- no insulation -
R 21
R-5
R 30
New
New
New
NewPerim = 146'
n/a
Front (N)
Left (E)
Rear (S)
Right (W)
116.0
15.4
97.0
20.9
0.300
0.300
0.300
0.300
0.35
0.35
0.35
0.35
none
none
none
none
none
none
none
none
N/A
N/A
N/A
N/A
New
New
New
New
15.0 SEER1Electric Heat Pump Split Heat Pump8.80 HSPF NewSetback
n/aHVAC System DuctlessDuctless / with Fan Newn/a
Standard1Heat Pump 3.2050 New
ID: 23-103114 Page 14 of 20EnergyPro 9.2 by EnergySoft User Number: 6249
249 24.9 %0.30
2022 Single-Family Residential Mandatory Requirements Summary
5/6/22
NOTE: Single-family residential buildings subject to the Energy Codes must comply with all applicable mandatory measures, regardless of the compliance approach
used. Review the respective section for more information.
(04/2022)
Building Envelope:
§ 110.6(a)1:
Air Leakage.Manufactured fenestration, exterior doors, and exterior pet doors must limit air leakage to 0.3 CFM per square foot or
less when tested per NFRC-400, ASTM E283, or AAMA/WDMA/CSA 101/I.S.2/A440-2011. *
§ 110.6(a)5:
Labeling.Fenestration products and exterior doors must have a label meeting the requirements of § 10-111(a).
§ 110.6(b):
Field fabricated exterior doors and fenestration products must use U-factors and solar heat gain coefficient (SHGC)values from
Tables 110.6-A, 110.6-B, or JA4.5 for exterior doors. They must be caulked and/or weather-stripped. *
§ 110.7:
Air Leakage.All joints, penetrations, and other openings in the building envelope that are potential sources of air leakage must be
caulked, gasketed, or weather stripped.
§ 110.8(a):Insulation Certification by Manufacturers.Insulation must be certified by the Department of Consumer Affairs,Bureau of Household
Goods and Services (BHGS).
§ 110.8(g):
Insulation Requirements for Heated Slab Floors.Heated slab floors must be insulated per the requirements of § 110.8(g).
§ 110.8(i):
Roofing Products Solar Reflectance and Thermal Emittance. The thermal emittance and aged solar reflectance values of the
roofing material must meet the requirements of § 110.8(i) and be labeled per §10-113 when the installation of a cool roof is specified
on the CF1R.
§ 110.8(j):RadiantBarrier. When required, radiantbarriers must have an emittance of 0.05 or less and be certified to the Department of Consumer
Affairs.
§ 150.0(a):
Roof Deck, Ceiling and Rafter Roof Insulation.Roof decks in newly constructed attics in climate zones 4 and 8-16 area-weighted
average U-factor not exceeding U-0.184. Ceiling and rafter roofs minimum R-22 insulation in wood-frame ceiling; or area-weighted average
U-factor must not exceed 0.043. Rafter roof alterations minimum R-19 or area-weighted average U-factor of 0.054 or less. Attic access
doors must have permanently attached insulation using adhesive or mechanical fasteners. The attic access must be gasketed to
prevent air leakage. Insulation must be installed in direct contact with a roof or ceiling which is sealed to limit infiltration and exfiltration
as specified in § 110.7, including but not limited to placing insulation either above or below the roof deck or on top of a drywall ceiling. *
§ 150.0(b):
Loose-fill Insulation. Loose fill insulation must meet the manufacturer’s required density for the labeled R-value.
§ 150.0(c):
Wall Insulation.Minimum R-13 insulation in 2x4 inch wood framing wall or have a U-factor of 0.102 or less, or R-20 in 2x6 inch wood
framing or have a U-factor of 0.071 or less. Opaque non-framed assemblies must have an overall assembly U-factor not exceeding 0.102.
Masonry walls must meet Tables 150.1-A or B. *
§ 150.0(d):Raised-floorInsulation.Minimum R-19 insulation in raised wood framed floor or 0.037 maximum U-factor.
*
§ 150.0(f):
Slab Edge Insulation.Slab edge insulation must meet all of the following: have a water absorption rate, for the insulation material alone
without facings, no greater than 0.3 percent; have a water vapor permeance no greater than 2.0 perm per inch; be protected from
physical damage and UV light deterioration; and, when installed as part of a heated slab floor, meet the requirements of § 110.8(g).
§ 150.0(g)1:
Vapor Retarder.In climate zones 1 through 16, the earth floor of unvented crawl space must be covered with a Class I or Class II
vapor retarder. This requirement also applies to controlled ventilation crawl space for buildings complying with the exception to
§150.0(d).
§ 150.0(g)2:
Vapor Retarder.In climate zones 14 and 16, a Class I or Class II vapor retarder must be installed on the conditioned space side of
all insulation in all exterior walls, vented attics, and unvented attics with air-permeable insulation.
§ 150.0(q):
Fenestration Products.Fenestration, including skylights, separating conditioned space from unconditioned space or outdoors must have
a maximum U-factor of 0.45; or area-weighted average U-factor of all fenestration must not exceed 0.45. *
Fireplaces, Decorative Gas Appliances, and Gas Log:
§ 110.5(e)PilotLight.Continuously burning pilot lights are not allowed for indoor and outdoor fireplaces.
§ 150.0(e)1:
ClosableDoors.Masonry or factory-built fireplaces must have a closable metal or glass door covering the entire opening of the firebox.
§ 150.0(e)2:
Combustion Intake.Masonry or factory-built fireplaces must have a combustion outside air intake, which is at least six square inches in
area and is equipped with a readily accessible, operable, and tight-fitting damper or combustion-air control device. *
§ 150.0(e)3:FlueDamper.Masonry or factory-built fireplaces must have a flue damper with a readily accessible control.
*
Space Conditioning, Water Heating, and Plumbing System:
§ 110.0-§ 110.3:
Certification.Heating, ventilation, and air conditioning (HVAC) equipment, water heaters, showerheads, faucets, and all other
regulated appliances must be certified by the manufacturer to the California Energy Commission. *
§ 110.2(a):HVACEfficiency.Equipment must meet the applicable efficiency requirements in Table 110.2-Athrough Table 110.2-N.
*
§ 110.2(b):
Controls for Heat Pumps with Supplementary Electric Resistance Heaters. Heat pumps with supplementary electric resistance
heaters must have controls that prevent supplementary heater operation when the heating load can be met by the heat pump alone;
and in which the cut-on temperature for compression heating is higher than the cut-on temperature for supplementary heating, and
the cut-off temperature for compression heating is higher than the cut-off temperature for supplementary heating. *
§ 110.2(c):
Thermostats.All heating or cooling systems not controlled by a central energy management control system (EMCS) must have a
setback thermostat. *
§ 110.3(c)3:
Insulation. Unfired service water heater storage tanks and solar water-heating backup tanks must have adequate insulation, or tank
surface heat loss rating.
§ 110.3(c)6:
Isolation Valves.Instantaneous water heaters with an input rating greater than 6.8 kBtu per hour (2 kW) must have isolation valves with
hose bibbs or other fittings on both cold and hot water lines to allow for flushing the water heater when the valves are closed.
2022 Single-Family Residential Mandatory Requirements Summary
5/6/22
§ 110.5:
Pilot Lights. Continuously burning pilot lights are prohibited for natural gas: fan-type central furnaces; household cooking appliances
(except appliances without an electrical supply voltage connection with pilot lights that consume less than 150 Btu per hour );and pool and
spa heaters.
*
§ 150.0(h)1:
Building Cooling and Heating Loads. Heating and/or cooling loads are calculated in accordance with the ASHRAE Handbook,
Equipment Volume, Applications Volume, and Fundamentals Volume; the SMACNA Residential Comfort System Installation
Standards Manual; or the ACCA Manual J using design conditions specified in § 150.0(h)2.
§ 150.0(h)3A:
Clearances.Air conditioner and heat pump outdoor condensing units must have a clearance of at least five feet from the outlet of any
dryer.
§ 150.0(h)3B:
Liquid Line Drier.Air conditioners and heat pump systems must be equipped with liquid line filter driers if required, as specified by the
manufacturer’s instructions.
§ 150.0(j)1:
Water Piping, Solar Water-heating System Piping, and Space Conditioning System Line Insulation. All domestic hot water
piping must be insulated as specified in § 609.11 of the California Plumbing Code. *
§ 150.0(j)2:
Insulation Protection.Piping insulation must be protected from damage, including that due to sunlight, moisture, equipment`
maintenance, and wind as required by §120.3(b). Insulation exposed to weather must be water retardant and protected from UV light (no
adhesive tapes). Insulation covering chilled water piping and refrigerant suction piping located outside the conditioned space must
include, or be protected by, a Class I or Class II vapor retarder. Pipe insulation buried below grade must be installed in a waterproof and
non-crushable casing or sleeve.
§ 150.0(n)1:
Gas or Propane Water Heating Systems. Systems using gas or propane water heaters to serve individual dwelling units must
designate a space at least 2.5’ x 2.5’ x 7’ suitable for the future installation of a heat pump water heater, and meet electrical and
plumbing requirements, based on the distance between this designated space and the water heater location; and a condensate drain no
more than 2” higher than the base of the water heater
§ 150.0(n)3:
Solar Water-heating Systems.Solar water-heating systems and collectors must be certified and rated by the Solar Rating and
Certification Corporation (SRCC), the International Association of Plumbing and Mechanical Officials, Research and Testing (IAPMO
R&T), or by a listing agency that is approved by the executive director.
Ducts and Fans:
§ 110.8(d)3:
Ducts.Insulation installed on an existing space-conditioning duct must comply with § 604.0 of the California Mechanical Code (CMC).If a
contractor installs the insulation, the contractor must certify to the customer, in writing, that the insulation meets this requirement.
§ 150.0(m)1:
CMC Compliance. All air-distribution system ducts and plenums must meet CMC §§ 601.0-605.0 andANSI/SMACNA-006-2006 HVAC
DuctConstruction Standards MetalandFlexible3rd Edition.Portions of supply-air and return-air ducts and plenums must be insulated to
R-6.0 or higher; ducts located entirely in conditioned space as confirmed through field verification and diagnostic testing (RA3.1.4.3.8)
do not require insulation. Connections of metal ducts and inner core of flexible ducts must be mechanically fastened. Openings must be
sealed with mastic, tape, or other duct-closure system that meets the applicable UL requirements, or aerosol sealant that meets UL 723.
The combination of mastic and either mesh or tape must be used to seal openings greater than ¼”, If mastic or tape is used. Building
cavities, air handler support platforms, and plenums designed or constructed with materials other than sealed sheet metal, duct board or
flexible duct must not be used to convey conditioned air. Buildingcavities and support platforms may contain ducts; ductsinstalledin
these spaces must not becompressed.*
§ 150.0(m)2:
Factory-Fabricated Duct Systems. Factory-fabricated duct systems must comply with applicable requirements for duct construction,
connections, and closures; joints and seams of duct systems and their components must not be sealed with cloth back rubber adhesive
duct tapes unless such tape is used in combination with mastic and draw bands.
§ 150.0(m)3:
Field-Fabricated Duct Systems.Field-fabricated duct systems must comply with applicable requirements for: pressure-sensitive tapes,
mastics, sealants, and other requirements specified for duct construction.
§ 150.0(m)7:
BackdraftDamper.Fan systems that exchange air between the conditioned space and outdoors must have backdraft or automatic
dampers.
§ 150.0(m)8:
Gravity Ventilation Dampers.Gravity ventilating systems serving conditioned space must have either automatic or readily accessible,
manually operated dampers in all openings to the outside, except combustion inlet and outlet air openings and elevator shaft vents.
§ 150.0(m)9:
Protection of Insulation.Insulation must be protected from damage due tosunlight, moisture,equipment maintenance, and wind.
Insulation exposed to weather must be suitable for outdoor service (e.g., protected by aluminum, sheet metal, painted canvas, or plastic
cover). Cellular foam insulation must be protected as above or painted with a water retardant and solar radiation-resistant coating.
§ 150.0(m)10:Porous Inner Core Flex Duct.Porous inner cores of flex ducts must have a non-porous layer or air barrier between the inner core and
outer vapor barrier.
§ 150.0(m)11:
Duct System Sealing and Leakage Test.When space conditioning systems use forced air duct systems to supply conditioned air to an
occupiable space, the ducts must be sealed and duct leakage tested, as confirmed through field verification and diagnostic testing, in
accordance with Reference Residential Appendix RA3.1.
§ 150.0(m)12:
Air Filtration. Space conditioning systems with ducts exceeding 10 feet and the supply side of ventilation systems must have MERV 13
or equivalent filters. Filters for space conditioning systems must have a two inch depth or can be one inch if sized per Equation 150.0-A.
Clean-filter pressure drop and labeling must meet the requirements in §150.0(m)12. Filters must be accessible for regular service. Filter
racks or grilles must use gaskets, sealing, or other means to close gaps around the inserted filters to and prevents air from bypassing the
filter. *
2022 Single-Family Residential Mandatory Requirements Summary
5/6/22
§ 150.0(m)13:
Space Conditioning System Airflow Rate and Fan Efficacy. Space conditioning systems that use ducts to supply cooling must have
a hole for the placement of a static pressure probe, or a permanently installed static pressure probe in the supply plenum. Airflow must
EH&)0SHU ton of nominal cooling capacity, and an air-handling unit fan efficacy 0.45 watts per CFM for gas furnace air
handlers and 0.58 watts per CFM for all others. Small duct high velocity systems must provide an airflow 250 CFM per ton of nominal
cooling capacity, and an air-KDQGOLQJXQLWIDQHIILFDF\ZDWWVSHU&)0)LHOGYHULILFDWLRQWHVWLQJLVUHTXLUHGLQDFFRUGDQFHZLWK
Reference Residential Appendix RA3.3. *
Ventilation and Indoor Air Quality:
§ 150.0(o)1:
Requirements for Ventilation and Indoor Air Quality. All dwelling units must meet the requirements of ASHRAE Standard 62.2,
Ventilation and Acceptable Indoor Air Quality in Residential Buildings subject to the amendments specified in § 150.0(o)1.*
§ 150.0(o)1B:
Central Fan Integrated (CFI) Ventilation Systems. Continuous operation of CFI air handlers is not allowed to provide the whole-
dwelling unit ventilation airflow required per §150.0(o)1C. A motorized damper(s) must be installed on the ventilation duct(s) that
prevents all airflow through the space conditioning duct system when the damper(s) is closed andcontrolled per §150.0(o)1Biii&iv. CFI
ventilation systems must have controls that track outdoor air ventilation run time, and either open or close the motorized damper(s) for
compliance with §150.0(o)1C.
§ 150.0(o)1C:
Whole-Dwelling Unit Mechanical Ventilation for Single-Family Detached and townhouses .Single-family detached dwelling units,
and attached dwelling units not sharing ceilings or floors with other dwelling units, occupiable spaces, public garages, or commercial
spaces must have mechanical ventilation airflow specified in § 150.0(o)1Ci-iii.
§ 150.0(o)1G:Local Mechanical Exhaust.Kitchens and bathrooms must have local mechanical exhaust; nonenclosed kitchens must have demand-
controlled exhaust system meeting requirements of §150.0(o)1Giii,enclosed kitchens and bathrooms can use demand-controlled or
continuous exhaust meeting §150.0(o)1Giii-iv. Airflow must be measured by the installer per §150.0(o)1Gv, and rated for sound per
§150.0(o)1Gvi. *
§ 150.0(o)1H&I:Airflow Measurement and Sound Ratings of Whole-Dwelling Unit Ventilation Systems.The airflow required per § 150.0(o)1C must
be measured by using a flow hood, flow grid, or other airflow measuring device at the fan’s inlet or outlet terminals/grilles per Reference
Residential Appendix RA3.7. Whole-Dwelling unit ventilation systems must be rated for sound per ASHRAE 62.2 §7.2 at no less than the
minimum airflow rate required by §150.0(o)1C.
§ 150.0(o)2:
Field Verification and Diagnostic Testing.Whole-Dwelling Unit ventilation airflow, vented range hood airflow and sound rating,
and HRV and ERV fan efficacy must be verified in accordance with Reference Residential Appendix RA3.7. Vented range hoods
must be verified per Reference Residential Appendix RA3.7.4.3 to confirm if it is rated by HVI or AHAM to comply with the airflow
rates and sound requirements per §150.0(o)1G
Pool and Spa Systems and Equipment:
§ 110.4(a):
Certification byManufacturers.Anypool orspa heatingsystem orequipmentmustbe certified to haveall ofthefollowing: compliance
with the Appliance Efficiency Regulations and listing in MAEDbS; an on-off switch mounted outside of the heater that allows shutting off
the heater without adjusting the thermostat setting; a permanent weatherproof plate or card with operating instructions; and must not
use electric resistanceheating. *
§ 110.4(b)1:
Piping.Any pool or spa heating system or equipment must be installed with at least 36 inches of pipe between the filter and the heater, or
dedicated suction and return lines, or built-in or built-up connections to allow for future solar heating.
§ 110.4(b)2:
Covers.Outdoor pools or spas that have a heat pump or gas heater must have a cover.
§ 110.4(b)3:
Directional Inlets and Time Switches for Pools.Pools must have directional inlets that adequately mix the pool water, and a time
switch that will allow all pumps to be set or programmed to run only during off-peak electric demand periods.
§ 110.5:
PilotLight.Natural gas pool and spa heaters must not have a continuously burning pilot light.
§ 150.0(p):
Pool Systems and Equipment Installation.Residential pool systems or equipment must meet the specified requirements for pump
sizing, flow rate, piping, filters, and valves.
*
Lighting:
§ 110.9:
Lighting Controls and Components.All lighting control devices and systems, ballasts, and luminaires must meet the applicable
requirements of § 110.9.*
§ 150.0(k)1A:LuminaireEfficacy.Allinstalled luminaires must meet the requirementsin Table 150.0-A, except lighting integral to exhaust fans, kitchen
range hoods, bath vanity mirrors, and garage door openers;navigation lightingless than 5watts;and lighting internal to drawers,cabinets, and linen
closetswith an efficacy of at least 45 lumens per watt.
§ 150.0(k)1B:Screwbased luminaires.Screw based luminaires must contain lamps that comply with Reference Joint Appendix JA8.
*
§ 150.0(k)1C:
Recessed Downlight Luminaires in Ceilings.Luminaires recessed into ceilings must not contain screw based sockets, must be airtight,
and must be sealed with a gasket or caulk. California Electrical Code § 410.116 must also be met.
§ 150.0(k)1D:
Light Sources in Enclosed or Recessed Luminaires.Lamps and other separable light sources that are not compliant with the JA8
elevated temperature requirements, including marking requirements, must not be installed in enclosed or recessed luminaires.
§ 150.0(k)1E:
Blank Electrical Boxes. The number of electrical boxes that are more than five feet above the finished floor and do not contain a
luminaire or other device shall be no more than the number of bedrooms. These boxes must be served by a dimmer, vacancy sensor
control, low voltage wiring, or fan speed control.
§ 150.0(k)1F:
Lighting Integral to Exhaust Fans.Lighting integral to exhaust fans (except when installed by the manufacturer in kitchen exhaust
hoods) must meet the applicable requirements of § 150.0(k).*
2022 Single-Family Residential Mandatory Requirements Summary
5/6/22
§ 150.0(k)1G:Screwbased luminaires.Screw based luminaires must contain lamps that comply with Reference Joint Appendix JA8.
*
§ 150.0(k)1H:
Light Sources in Enclosed or Recessed Luminaires.Lamps and other separable light sources that are not compliant with the JA8
elevated temperature requirements, including marking requirements, must not be installed in enclosed or recessed luminaires.
§ 150.0(k)1I:
Light Sources in Drawers, Cabinets, and Linen Closets. Light sources internal to drawers, cabinetry or linen closets are not required
to comply with Table 150.0-A or be controlled by vacancy sensors provided that they are rated to consume no more than 5 watts of
power, emit no more than 150 lumens, and are equipped with controls that automatically turn the lighting off when the drawer, cabinet or
linen closet is closed.
§ 150.0(k)2A:InteriorSwitches and Controls.All forward phase cut dimmers used with LED light sources must comply with NEMA SSL 7A.
§ 150.0(k)2B:InteriorSwitches and Controls.Exhaust fans must be controlled separately from lighting systems.*
§ 150.0(k)2A:
Accessible Controls.Lighting must have readily accessible wall-mounted controls that allow the lighting to be manually turned
on and off. *
§ 150.0(k)2B:
Multiple Controls.Controls must not bypass a dimmer, occupant sensor, or vacancy sensor function if the dimmer or sensor is installed
to comply with § 150.0(k).
§ 150.0(k)2C:
Mandatory Requirements.Lighting controls must comply with the applicable requirements of § 110.9.
§ 150.0(k)2D:
Energy Management Control Systems.An energy management control system (EMCS) may be used to comply with dimming,
occupancy, and control requirements if it provides the functionality of the specified control per § 110.9 and the physical controls specified
in § 150.0(k)2A.
§ 150.0(k)2E:
Automatic Shutoff Controls.In bathrooms, garages, laundry rooms, utility rooms and walk-in closets, at least one installed luminaire
must be controlled by an occupancy or vacancy sensor providing automatic-off functionality. Lighting inside drawers and cabinets with
opaque fronts or doors must have controls that turn the light off when the drawer or door is closed.
§ 150.0(k)2F:
Dimmers.Lighting in habitable spaces (e.g., living rooms, dining rooms, kitchens, and bedrooms) must have readily accessible wall-
mounted dimming controls that allow the lighting to be manually adjusted up and down. Forward phase cut dimmers controlling LED light
sources in these spaces must comply with NEMA SSL 7A.
§ 150.0(k)2K:
Independent controls. Integrated lighting of exhaust fans shall be controlled independently from the fans. Lighting under cabinets or
shelves, lighting in display cabinets, and switched outletsmust be controlled separately from ceiling-installed lighting.
§ 150.0(k)3A:
Residential Outdoor Lighting.For single-family residential buildings, outdoor lighting permanently mounted to a residential building, or to
other buildings on the same lot, must have a manual on/off switch and either a photocell and motion sensor or automatic time switch
control) or an astronomical time clock. An energy management control system that provides the specified control functionality and meets all
applicable requirements may be used to meet these requirements.
§ 150.0(k)4:
Internallyilluminated address signs.Internally illuminated address signs must either comply with § 140.8 or consume no more than 5
watts of power.
§ 150.0(k)5:
ResidentialGarages for Eight or More Vehicles.Lighting for residential parking garages for eight or more vehicles must comply with the
applicable requirements for nonresidential garages in §§ 110.9, 130.0, 130.1, 130.4, 140.6, and 141.0.
Solar Readiness:
§ 110.10(a)1:
Single-family Residences.Single-family residences located in subdivisions with 10 or more single-family residences and where the
application for a tentative subdivision map for the residences has been deemed complete and approved by the enforcement agency,
which do not have a photovoltaic system installed, must comply with the requirements of § 110.10(b)-(e).
§110.10(b)1A:
Minimum Solar Zone Area. The solar zone must have a minimum total area as described below. The solar zone must comply with
access, pathway, smoke ventilation, and spacing requirements as specified in Title 24, Part 9 or other parts of Title 24 or in any
requirements adopted by a local jurisdiction. The solar zone total area must be comprised of areas that have no dimension less than 5
feet and are no less than 80 square feet each for buildings with roof areas less than or equal to 10,000 square feet or no less than 160
square feet each for buildings with roof areas greater than 10,000 square feet. For single-family residences, the solar zone must be
located on the roof or overhang of the building and have a total area no less than 250 square feet.*
§ 110.10(b)2:
Azimuth.All sections of the solar zone located on steep-sloped roofs must have an azimuth between 90-300° of true north.
§ 110.10(b)3A:
Shading.The solar zone must not contain any obstructions, including but not limited to: vents, chimneys, architectural features, and roof
mounted equipment.
*
§ 110.10(b)3B:
Shading.Any obstructionlocated on the roof or any other part of the building that projects above a solar zone must be located at least twice the
horizontal distance of the height difference between the highest point of the obstruction and the horizontal projection of the nearest point of the
solar zone, measured in the vertical plane.*
§ 110.10(b)4:
StructuralDesign Loads on Construction Documents.For areas of the roof designated as a solar zone, the structural design loads for
roof dead load and roof live load must be clearly indicated on the construction documents.
§ 110.10(c):
Interconnection Pathways. The construction documents must indicate: a location reserved for inverters and metering equipment and a
pathway reserved for routing of conduit from the solar zone to the point of interconnection with the electrical service; and for single-family
residencesand central water-heating systems, a pathway reserved for routing plumbing from the solar zone to the water-heating system.
§ 110.10(d):
Documentation.Acopy of the construction documents or a comparable document indicating the information from § 110.10(b)-(c) must be
provided to the occupant.
§ 110.10(e)1:
Main Electrical Service Panel.The main electrical service panel must have a minimum busbar rating of 200 amps.
§ 110.10(e)2:
Main Electrical Service Panel.The main electrical service panel must have a reserved space to allow for the installation of a double pole
circuit breaker for a future solar electric installation. The reserved space must be permanently marked as “For Future Solar Electric.”
Electric and Energy Storage Ready:
2022 Single-Family Residential Mandatory Requirements Summary
5/6/22
§ 150.0(s) Energy Storage System (ESS) Ready. All single-family residences must meet all of the following:Either ESS-ready interconnection
equipment with backed up capacity of 60 amps or more and four or more ESS supplied branch circuits, or a dedicated raceway from the
main service to a subpanel that supplies the branch circuits in § 150.0(s); at least four branch circuits must be identified and have their
source collocated at a single panelboard suitable to be supplied by the ESS, with one circuit supplying the refrigerator, one lighting circuit
near the primary exit, and one circuit supplying a sleeping room receptacle outlet; main panelboard must have a minimum busbar rating of
225 amps; sufficient space must be reserved to allow future installation of a system isolation equipment/transfer switch within 3’ of the main
panelboard, with raceways installed between the panelboard and the switch location to allow the connection of backup power source.
§ 150.0(t) Heat Pump Space Heater Ready. Systems using gas or propane furnaces to serve individual dwelling units must include: A dedicated
unobstructed 240V branch circuit wiring installed within 3’ of the furnace with circuit conductors rated at least 30 amps with the blank cover
identified as “240V ready;” and a reserved main electrical service panel space to allow for the installation of a double pole circuit breaker
permanently marked as “For Future 240V use.”
§ 150.0(u) Electric Cooktop Ready. Systems using gas or propane cooktop to serve individual dwelling units must include: A dedicated unobstructed
240V branch circuit wiring installed within 3’ of the cooktop with circuit conductors rated at least 50 amps with the blank cover identified as
“240V ready;” and a reserved main electrical service panel space to allow for the installation of a double pole circuit breaker permanently
marked as “For Future 240V use.”
§ 150.0(v) Electric Clothes Dryer Ready. Clothes dryer locations with gas or propane plumbing to serve individual dwelling units must include: A
dedicated unobstructed 240V branch circuit wiring installed within 3’ of the dryer location with circuit conductors rated at least 30 amps with
the blank cover identified as “240V ready;” and a reserved main electrical service panel space to allow for the installation of a double pole
circuit breaker permanently marked as “For Future 240V use.”
*Exceptions may apply.
ROOM LOAD SUMMARY
Project Name Date
System Name Floor Area
ROOM LOAD SUMMARY
ROOM COOLING PEAK COIL COOLING PEAK COIL HTG. PEAK
Zone Name Room Name Mult. CFM Sensible Latent CFM Sensible Latent CFM Sensible
PAGE TOTAL
TOTAL *
* Total includes ventilation load for zonal systems.
Foothill Blvd ADU 1/18/2024
HVAC System 1,000
1st FloorLiving Area 4511 9,627 112 3444511129,627 13,601
344
344
451
451
112
112
9,627
9,627
13,601
13,601