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ANSI/RESNET/ICC 301-2022: Standard for the Calculation and Labeling of the Energy Performance of Dwelling and Sleeping Units using an Energy Rating Index, 2022
- ANSI/ RESNET/ICC 301-2022 STANDARD FOR THE CALCULATION AND LABELING OF THE ENERGY PERFORMANCE OF DWELLING AND SLEEPING UNITS USING AN ENERGY RATING INDEX
- ANSI/RESNET/ICC 301-2022 STANDARD FOR THE CALCULATION AND LABELING OF THE ENERGY PERFORMANCE OF DWELLING AND SLEEPING UNITS USING AN ENERGY RATING INDEX
- COPYRIGHT
- TABLE OF CONTENTS
- FOREWORD (INFORMATIVE)
- CHAPTER 1 PURPOSE
- CHAPTER 2 SCOPE
- CHAPTER 3 DEFINITIONS
- CHAPTER 4 ENERGY RATING CALCULATION PROCEDURES [Go to Page]
- 4.1 DETERMINING THE ENERGY RATING INDEX [Go to Page]
- EQUATION 4.1-1
- EQUATION 4.1-1A
- TABLE 4.1.1(1) COEFFICIENTS ‘a’ AND ‘b’
- EQUATION 4.1-2
- EQUATION 4.1-3
- 4.2 ENERGY RATING REFERENCE HOME AND RATED HOME CONFIGURATION [Go to Page]
- TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES [Go to Page]
- TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES—continued
- TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES—continued
- TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES—continued
- TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES—continued
- TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES—continued
- TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES—continued
- TABLE 4.2.2(1a) DEFAULT VENTILATION SYSTEM FAN POWER FOR RATED HOME
- TABLE 4.2.2(1b) ENERGY RATING REFERENCE HOME HEATING AND COOLING EQUIPMENT EFFICIENCIES
- TABLE 4.2.2(2) COMPONENT HEAT TRANSFER CHARACTERISTICS FOR ENERGY RATING REFERENCE HOMEa
- TABLE 4.2.2(3) INTERNAL GAINS FOR ENERGY RATING REFERENCE HOMESa
- TABLE 4.2.2(4) DEFAULT SOLAR ABSORPTANCEFOR VARIOUS WALL COLORS
- TABLE 4.2.2(5) DEFAULT SOLAR ABSORPTANCE FOR VARIOUS ROOFING SURFACES
- TABLE 4.2.2(6) DEFAULT FRAMING FRACTIONS FORWOOD-FRAMED ASSEMBLY COMPONENTS
- FIGURE 4.2.2-1a. ILLUSTRATION OF CRITICAL INPUTSFOR STANDARD EAVE ASSEMBLY
- FIGURE 4.2.2-1b. ILLUSTRATION OF CRITICAL INPUTSFOR RAISED HEEL TRUSS EAVE ASSEMBLY
- EQUATION 4.2-1
- EQUATION 4.2-1A
- EQUATION 4.2-1B
- EQUATION 4.2-1C
- EQUATION 4.2-2
- EQUATION 4.2-3
- TABLE 4.2.2(7) AIR CONDITIONER, FURNACE,AND HEAT PUMP INSTALLATION QUALITY GRADE NON-DEFAULT VALUES FOR RATED HOME
- EQUATION 4.2-4
- EQUATION 4.2-5
- EQUATION 4.2-6
- TABLE 4.2.2.4(1) CAPACITY CHARGE FAULT COEFFICIENTS FOR COOLING MODE
- EQUATION 4.2-7
- TABLE 4.2.2.4(2) CAPACITY CHARGE FAULT COEFFICIENTS FOR HEATING MODE
- EQUATION 4.2-8
- TABLE 4.2.2.4(3) CAPACITY AIRFLOW FAULT COEFFICIENTS FOR COOLING MODE
- EQUATION 4.2-9
- EQUATION 4.2-10
- TABLE 4.2.2.4(4) CAPACITY AIRFLOW FAULT COEFFICIENTS FOR HEATING MODE:
- EQUATION 4.2-11
- EQUATION 4.2-12
- EQUATION 4.2-13
- EQUATION 4.2-14
- EQUATION 4.2-15
- EQUATION 4.2-16
- EQUATION 4.2-17
- EQUATION 4.2-18
- TABLE 4.2.2.4(5) CAPACITY CHARGE FAULT COEFFICIENTS FOR COOLING MODE
- EQUATION 4.2-19
- TABLE 4.2.2.4(6) CAPACITY CHARGE FAULT COEFFICIENTS FOR HEATING MODE
- EQUATION 4.2-20
- TABLE 4.2.2.4(7) CAPACITY AIRFLOW FAULT COEFFICIENTS FOR COOLING MODE
- EQUATION 4.2-21
- EQUATION 4.2-22
- TABLE 4.2.2.4(8) CAPACITY AIRFLOW FAULT COEFFICIENTS FOR HEATING MODE
- EQUATION 4.2-23
- EQUATION 4.2-24
- EQUATION 4.2-25
- EQUATION 4.2-26
- EQUATION 4.2-27
- TABLE 4.2.2.6(1) ELECTRIC AUXILIARY ENERGY FOR FOSSIL FUEL HEATING SYSTEMS
- EQUATION 4.2-28
- TABLE 4.2.2.7(1) LIGHTING, APPLIANCE AND MISCELLANEOUS ENERGY LOADS IN ELECTRIC ENERGY RATING REFERENCE HOMES
- TABLE 4.2.2.7(2) NATURAL GAS APPLIANCE LOADS FOR ENERGY RATING REFERENCE HOMES WITH GAS APPLIANCES
- EQUATION 4.2-29
- EQUATION 4.2-30
- EQUATION 4.2-31
- EQUATION 4.2-32
- TABLE 4.2.2.7.2.5(1) AGE-BASED REFRIGERATOR DEFAULTS
- TABLE 4.2.2.7.2.5(2) AGE-BASED VINTAGE RATIOS
- TABLE 4.2.2.7.2.5(3) DEFAULT ADJUSTED VOLUME EQUATIONS
- EQUATION 4.2-33A
- EQUATION 4.2-33B
- EQUATION 4.2-33C
- EQUATION 4.2-34
- EQUATION 4.2-35A
- EQUATION 4.2-35B
- EQUATION 4.2-36A
- EQUATION 4.2-36B
- TABLE 4.2.2.7.2.9 DEFAULT DISHWASHER INPUTS
- EQUATION 4.2-37A
- EQUATION 4.2-37B
- EQUATION 4.2-38
- EQUATION 4.2-39
- TABLE 4.2.2.7.2.10 DEFAULT INPUTS FOR CLOTHES WASHER BASED ON YEAR
- TABLE 4.2.2.7.2.11(1) HOT WATER FIXTURE EFFECTIVENESS
- EQUATION 4.2-40
- EQUATION 4.2-41
- TABLE 4.2.2.7.2.11(2) HOT WATER DISTRIBUTION SYSTEM INSULATION FACTORS
- EQUATION 4.2-42
- TABLE 4.2.2.7.2.11(4) LOCATION FACTORS FOR DWHR PLACEMENT
- EQUATION 4.2-43A
- TABLE 4.2.2.7.2.11(5) ANNUAL ELECTRICITY CONSUMPTION FACTOR FOR HOT WATER RECIRCULATION SYSTEM PUMPS
- EQUATION 4.2-43B
- EQUATION 4.2-44
- EQUATION 4.2-45
- TABLE 4.2.2.7.2.11(6) HOT WATER DISTRIBUTION SYSTEM RELATIVE ANNUAL ENERGY WASTE FACTORS
- EQUATION 4.2-46
- 4.3 INDEX ADJUSTMENT FACTOR (IAF) [Go to Page]
- EQUATION 4.3-1
- EQUATION 4.3-2
- TABLE 4.3.1(1) CONFIGURATION OF INDEX ADJUSTMENT DESIGN [Go to Page]
- TABLE 4.3.1(1) CONFIGURATION OF INDEX ADJUSTMENT DESIGN—continued
- EQUATION 4.4-1
- 4.4 OPERATING CONDITION ASSUMPTIONS [Go to Page]
- EQUATION 4.4-2
- EQUATION 4.4-3
- EQUATION 4.4-4
- EQUATION 4.4-5
- 4.5 MINIMUM RATED FEATURES [Go to Page]
- TABLE 4.5.2(1) MINIMUM RATED FEATURES [Go to Page]
- TABLE 4.5.2(1) MINIMUM RATED FEATURES—continued
- TABLE 4.5.2(1) MINIMUM RATED FEATURES—continued
- TABLE 4.5.2(2) DEFAULT SOLID FUEL COMBUSTION SEASONAL EFFICIENCIES FOR SPACE HEATING
- TABLE 4.5.2(3) DEFAULT VALUES FOR MECHANICAL SYSTEM EFFICIENCY (AGE-BASED)a
- TABLE 4.5.2(4) DEFAULT VALUES FOR MECHANICAL SYSTEM EFFICIENCY (NOT AGE-BASED)a
- TABLE 4.5.2(5) DEFAULT AIR CONDITIONER, FURNACE, AND HEAT PUMP INSTALLATION QUALITY GRADE VALUES
- CHAPTER 5 EXISTING HOME RETROFIT SAVINGS [Go to Page]
- 5.1 BASELINE EXISTING HOME
- 5.2 IMPROVED HOME
- 5.3 STANDARD OPERATING CONDITIONS [Go to Page]
- TABLE 5.3.1 (1) BASELINE EXISTING HOME INPUT CONSTRAINTS
- 5.4 ENERGY SAVINGS CALCULATION [Go to Page]
- EQUATION 5-1
- CHAPTER 6 ECONOMIC COST EFFECTIVENESS [Go to Page]
- 6.1 CALCULATION OF RATIO PARAMETERS [Go to Page]
- EQUATION 6-1
- EQUATION 6-2
- EQUATION 6-3
- EQUATION 6-4
- EQUATION 6-5
- EQUATION 6-6A
- EQUATION 6-6B
- EQUATION 6-7
- EQUATION 6-8A
- EQUATION 6-8B
- EQUATION 6-8C
- EQUATION 6-8D
- 6.2 STANDARD ECONOMIC INPUTS [Go to Page]
- EQUATION 6-9
- EQUATION 6-10
- CHAPTER 7 CERTIFICATION AND LABELING [Go to Page]
- 7.1 RATING REQUIREMENTS [Go to Page]
- TABLE 7.1.2(1) EMISSION FACTORS FOR HOUSEHOLD COMBUSTION FUELSa
- 7.2 INNOVATIVE DESIGN REQUESTS
- 7.3 LABELING
- CHAPTER 8 CO2 RATING INDEX [Go to Page]
- EQUATION 8-1
- EQUATION 8-2
- CHAPTER 9 NORMATIVE STANDARDS
- CHAPTER 10 INFORMATIVE REFERENCES
- APPENDIX A (NORMATIVE) INSPECTION PROCEDURES FOR INSULATION GRADING AND ASSESSMENT
- APPENDIX B (NORMATIVE) INSPECTION PROCEDURES FOR MINIMUM RATED FEATURES [Go to Page]
- TABLE OF CONTENTS
- GENERAL
- BUILDING ELEMENT: FLOOR/FOUNDATION ASSEMBLY [Go to Page]
- BUILDING ELEMENT: FLOOR/FOUNDATION ASSEMBLY-CONTINUED
- BUILDING ELEMENT: FLOOR/FOUNDATION ASSEMBLY—continued
- BUILDING ELEMENT: FLOOR/FOUNDATION ASSEMBLY—continued
- BUILDING ELEMENT: WALL ASSEMBLY [Go to Page]
- BUILDING ELEMENT: WALL ASSEMBLY—continued
- BUILDING ELEMENT: WALL ASSEMBLY—continued
- BUILDING ELEMENT: WALL ASSEMBLY—continued
- BUILDING ELEMENT: ROOF/CEILING ASSEMBLY [Go to Page]
- BUILDING ELEMENT: ROOF/CEILING ASSEMBLY—continued
- BUILDING ELEMENT: ROOF/CEILING ASSEMBLY—continued
- BUILDING ELEMENT: RIM/BAND JOISTS OR FLOOR PERMETERS
- BUILDING ELEMENT: DOORS
- BUILDING ELEMENT: WINDOWS [Go to Page]
- BUILDING ELEMENT: WINDOWS—continued
- BUILDING ELEMENT: SKYLIGHTS
- BUILDING ELEMENT: PASSIVE SOLAR SYSTEM
- BUILDING ELEMENT: AIR LEAKAGE
- BUILDING ELEMENT: HEATING AND COOLING DISTRIBUTION SYSTEM [Go to Page]
- BUILDING ELEMENT: HEATING AND COOLING DISTRIBUTION SYSTEM—continued [Go to Page]
- BUILDING ELEMENT: HEATING AND COOLING EQUIPMENT—continued
- BUILDING ELEMENT: HEATING AND COOLING EQUIPMENT—continued
- BUILDING ELEMENT: HEATING AND COOLING EQUIPMENT—continued
- BUILDING ELEMENT: HEATING AND COOLING EQUIPMENT—continued
- BUILDING ELEMENT: HEATING AND COOLING EQUIPMENT
- BUILDING ELEMENT: AIR CONDITIONER, FURNACE, AND HEAT PUMP INSTALLATION QUALITY GRADE [Go to Page]
- BUILDING ELEMENT: AIR CONDITIONER, FURNACE, AND HEAT PUMP INSTALLATION QUALITY GRADE—continued
- BUILDING ELEMENT: AIR CONDITIONER, FURNACE, AND HEAT PUMP INSTALLATION QUALITY GRADE—continued
- BUILDING ELEMENT: AIR CONDITIONER, FURNACE, AND HEAT PUMP INSTALLATION QUALITY GRADE—continued
- BUILDING ELEMENT: AIR CONDITIONER, FURNACE, AND HEAT PUMP INSTALLATION QUALITY GRADE—continued
- BUILDING ELEMENT: SERVICE HOT WATER (SHW) EQUIPMENT [Go to Page]
- BUILDING ELEMENT: SERVICE HOT WATER (SHW) EQUIPMENT—continued
- BUILDING ELEMENT: SERVICE HOT WATER DISTRIBUTION
- BUILDING ELEMENTS: SOLAR DOMESTIC HOT WATER EQUIPMENT [Go to Page]
- BUILDING ELEMENTS: SOLAR DOMESTIC HOT WATER EQUIPMENT—continued
- BUILDING ELEMENTS: LIGHT FIXTURES
- BUILDING ELEMENTS: REFRIGERATOR(S)
- BUILDING ELEMENTS: DISHWASHERS(S)
- BUILDING ELEMENTS: RANGE/OVEN
- BUILDING ELEMENTS: CLOTHES WASHER
- BUILDING ELEMENTS: CLOTHES DRYER
- BUILDING ELEMENTS: CEILING FANS
- BUILDING ELEMENTS: DWELLING UNIT MECHANICAL VENTILATION SYSTEM(S) [Go to Page]
- BUILDING ELEMENTS: DWELLING UNIT MECHANICAL VENTILATION SYSTEM(S)—continued
- BUILDING ELEMENTS: CORRIDOR VENTILATION
- BUILDING ELEMENTS: ON-SITE POWER PRODUCTION
- ANNEX 1 – ECM GUIDELINES (INFORMATIVE) GENERAL GUIDELINES FOR DETERMINING ENERGY CONSERVATION MEASURE (ECM)SERVICE LIFETIMES AND MAINTENANCE FRACTIONS
- ANSI/RESNET/ICC 301—2022 ADDENDUM A—2022 RENEWABLE ENERGY CERTIFICATES AND INFILTRATION VOLUME [Go to Page]
- TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES
- TABLE 4.5.2(1) MINIMUM RATED FEATURES
- BUILDING ELEMENT: ON-SITE POWER PRODUCTION
- ANSI/RESNET/ICC 301—2022 ADDENDUM B—2022CO2e INDEX [Go to Page]
- TABLE 7.1.2(1) EMISSION FACTORS FOR HOUSEHOLD COMBUSTION FUELSa
- EQUATION 8-1
- EQUATION 8-2 [Go to Page]