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ICC Standard 301 2022 1stptg

ICC Standard 301 2022 1stptg

$28.17

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

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ICC 2022
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Standard for the Calculation and Labeling of the Energy Performance of Dwelling and Sleeping Units using an Energy Rating Index This Standard provides a consistent, uniform methodology for evaluating and labeling the energy performance of residences (Dwelling Units and Sleeping Units). The methodology compares the energy performance of an actual residence with the energy performance of a reference version of the same geometry, resulting in a relative energy rating called the Energy Rating Index. Where the energy performance of the actual residence and the reference version are equal, the Energy Rating Index is 100. Where the actual residence requires no net purchased energy annually, the Energy Rating Index is 0 (zero). This 2022 edition of the Standard is the third edition and its scope has expanded to include rating procedures for Dwelling and Sleeping Units in buildings of any height.

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PDF Pages PDF Title
1 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
2 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
3 COPYRIGHT
8 TABLE OF CONTENTS
10 FOREWORD (INFORMATIVE)
12 CHAPTER 1 PURPOSE
14 CHAPTER 2 SCOPE
16 CHAPTER 3 DEFINITIONS
24 CHAPTER 4 ENERGY RATING CALCULATION PROCEDURES
4.1 DETERMINING THE ENERGY RATING INDEX
EQUATION 4.1-1
EQUATION 4.1-1A
TABLE 4.1.1(1) COEFFICIENTS ‘a’ AND ‘b’
EQUATION 4.1-2
25 EQUATION 4.1-3
4.2 ENERGY RATING REFERENCE HOME AND RATED HOME CONFIGURATION
TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES
26 TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES—continued
27 TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES—continued
28 TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES—continued
29 TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES—continued
30 TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES—continued
31 TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES—continued
32 TABLE 4.2.2(1a) DEFAULT VENTILATION SYSTEM FAN POWER FOR RATED HOME
33 TABLE 4.2.2(1b) ENERGY RATING REFERENCE HOME HEATING AND COOLING EQUIPMENT EFFICIENCIES
35 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
36 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
37 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
39 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
40 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
41 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
42 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
43 EQUATION 4.2-29
EQUATION 4.2-30
44 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
45 EQUATION 4.2-33A
EQUATION 4.2-33B
EQUATION 4.2-33C
EQUATION 4.2-34
46 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
47 EQUATION 4.2-37A
EQUATION 4.2-37B
48 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
49 EQUATION 4.2-40
EQUATION 4.2-41
50 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
51 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
52 EQUATION 4.2-46
4.3 INDEX ADJUSTMENT FACTOR (IAF)
EQUATION 4.3-1
EQUATION 4.3-2
4.4 OPERATING CONDITION ASSUMPTIONS
53 TABLE 4.3.1(1) CONFIGURATION OF INDEX ADJUSTMENT DESIGN
54 TABLE 4.3.1(1) CONFIGURATION OF INDEX ADJUSTMENT DESIGN—continued
EQUATION 4.4-1
55 EQUATION 4.4-2
EQUATION 4.4-3
56 EQUATION 4.4-4
57 EQUATION 4.4-5
4.5 MINIMUM RATED FEATURES
58 TABLE 4.5.2(1) MINIMUM RATED FEATURES
59 TABLE 4.5.2(1) MINIMUM RATED FEATURES—continued
60 TABLE 4.5.2(1) MINIMUM RATED FEATURES—continued
61 TABLE 4.5.2(2) DEFAULT SOLID FUEL COMBUSTION SEASONAL EFFICIENCIES FOR SPACE HEATING
62 TABLE 4.5.2(3) DEFAULT VALUES FOR MECHANICAL SYSTEM EFFICIENCY (AGE-BASED)a
63 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
64 CHAPTER 5 EXISTING HOME RETROFIT SAVINGS
5.1 BASELINE EXISTING HOME
5.2 IMPROVED HOME
5.3 STANDARD OPERATING CONDITIONS
65 TABLE 5.3.1 (1) BASELINE EXISTING HOME INPUT CONSTRAINTS
5.4 ENERGY SAVINGS CALCULATION
EQUATION 5-1
66 CHAPTER 6 ECONOMIC COST EFFECTIVENESS
6.1 CALCULATION OF RATIO PARAMETERS
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
67 EQUATION 6-8C
EQUATION 6-8D
6.2 STANDARD ECONOMIC INPUTS
EQUATION 6-9
EQUATION 6-10
68 CHAPTER 7 CERTIFICATION AND LABELING
7.1 RATING REQUIREMENTS
69 TABLE 7.1.2(1) EMISSION FACTORS FOR HOUSEHOLD COMBUSTION FUELSa
71 7.2 INNOVATIVE DESIGN REQUESTS
72 7.3 LABELING
74 CHAPTER 8 CO2 RATING INDEX
EQUATION 8-1
EQUATION 8-2
76 CHAPTER 9 NORMATIVE STANDARDS
78 CHAPTER 10 INFORMATIVE REFERENCES
80 APPENDIX A (NORMATIVE) INSPECTION PROCEDURES FOR INSULATION GRADING AND ASSESSMENT
86 APPENDIX B (NORMATIVE) INSPECTION PROCEDURES FOR MINIMUM RATED FEATURES
TABLE OF CONTENTS
87 GENERAL
88 BUILDING ELEMENT: FLOOR/FOUNDATION ASSEMBLY
89 BUILDING ELEMENT: FLOOR/FOUNDATION ASSEMBLY-CONTINUED
90 BUILDING ELEMENT: FLOOR/FOUNDATION ASSEMBLY—continued
91 BUILDING ELEMENT: FLOOR/FOUNDATION ASSEMBLY—continued
92 BUILDING ELEMENT: WALL ASSEMBLY
93 BUILDING ELEMENT: WALL ASSEMBLY—continued
94 BUILDING ELEMENT: WALL ASSEMBLY—continued
95 BUILDING ELEMENT: WALL ASSEMBLY—continued
96 BUILDING ELEMENT: ROOF/CEILING ASSEMBLY
97 BUILDING ELEMENT: ROOF/CEILING ASSEMBLY—continued
98 BUILDING ELEMENT: ROOF/CEILING ASSEMBLY—continued
99 BUILDING ELEMENT: RIM/BAND JOISTS OR FLOOR PERMETERS
100 BUILDING ELEMENT: DOORS
101 BUILDING ELEMENT: WINDOWS
102 BUILDING ELEMENT: WINDOWS—continued
103 BUILDING ELEMENT: SKYLIGHTS
104 BUILDING ELEMENT: PASSIVE SOLAR SYSTEM
105 BUILDING ELEMENT: AIR LEAKAGE
106 BUILDING ELEMENT: HEATING AND COOLING DISTRIBUTION SYSTEM
107 BUILDING ELEMENT: HEATING AND COOLING DISTRIBUTION SYSTEM—continued
108 BUILDING ELEMENT: HEATING AND COOLING EQUIPMENT
109 BUILDING ELEMENT: HEATING AND COOLING EQUIPMENT—continued
110 BUILDING ELEMENT: HEATING AND COOLING EQUIPMENT—continued
111 BUILDING ELEMENT: HEATING AND COOLING EQUIPMENT—continued
112 BUILDING ELEMENT: HEATING AND COOLING EQUIPMENT—continued
BUILDING ELEMENT: AIR CONDITIONER, FURNACE, AND HEAT PUMP INSTALLATION QUALITY GRADE
113 BUILDING ELEMENT: AIR CONDITIONER, FURNACE, AND HEAT PUMP INSTALLATION QUALITY GRADE—continued
114 BUILDING ELEMENT: AIR CONDITIONER, FURNACE, AND HEAT PUMP INSTALLATION QUALITY GRADE—continued
115 BUILDING ELEMENT: AIR CONDITIONER, FURNACE, AND HEAT PUMP INSTALLATION QUALITY GRADE—continued
116 BUILDING ELEMENT: AIR CONDITIONER, FURNACE, AND HEAT PUMP INSTALLATION QUALITY GRADE—continued
117 BUILDING ELEMENT: SERVICE HOT WATER (SHW) EQUIPMENT
118 BUILDING ELEMENT: SERVICE HOT WATER (SHW) EQUIPMENT—continued
119 BUILDING ELEMENT: SERVICE HOT WATER DISTRIBUTION
120 BUILDING ELEMENTS: SOLAR DOMESTIC HOT WATER EQUIPMENT
121 BUILDING ELEMENTS: SOLAR DOMESTIC HOT WATER EQUIPMENT—continued
BUILDING ELEMENTS: LIGHT FIXTURES
122 BUILDING ELEMENTS: REFRIGERATOR(S)
BUILDING ELEMENTS: DISHWASHERS(S)
123 BUILDING ELEMENTS: RANGE/OVEN
BUILDING ELEMENTS: CLOTHES WASHER
124 BUILDING ELEMENTS: CLOTHES DRYER
BUILDING ELEMENTS: CEILING FANS
125 BUILDING ELEMENTS: DWELLING UNIT MECHANICAL VENTILATION SYSTEM(S)
126 BUILDING ELEMENTS: DWELLING UNIT MECHANICAL VENTILATION SYSTEM(S)—continued
BUILDING ELEMENTS: CORRIDOR VENTILATION
127 BUILDING ELEMENTS: ON-SITE POWER PRODUCTION
128 ANNEX 1 – ECM GUIDELINES (INFORMATIVE) GENERAL GUIDELINES FOR DETERMINING ENERGY CONSERVATION MEASURE (ECM)SERVICE LIFETIMES AND MAINTENANCE FRACTIONS
130 ANSI/RESNET/ICC 301—2022 ADDENDUM A—2022 RENEWABLE ENERGY CERTIFICATES AND INFILTRATION VOLUME
131 TABLE 4.2.2(1) SPECIFICATIONS FOR THE ENERGY RATING REFERENCE AND RATED HOMES
TABLE 4.5.2(1) MINIMUM RATED FEATURES
132 BUILDING ELEMENT: ON-SITE POWER PRODUCTION
134 ANSI/RESNET/ICC 301—2022 ADDENDUM B—2022CO2e INDEX
135 TABLE 7.1.2(1) EMISSION FACTORS FOR HOUSEHOLD COMBUSTION FUELSa
136 EQUATION 8-1
EQUATION 8-2

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