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k i.3 Washington State Energy Code-Resit:l'EJ 1 ! <br /> Prescriptive Energy Code Compliance for All Climate Zones in Washington <br /> Single Family-New &Additions(effective February 1, 2021) <br /> Each dwelling unit in a residential building shall comply with sufficient options from Table R406.2 (fuel <br /> normalization credits)and Table 406.3 (energy credits)to achieve the folk:ming minimum number of <br /> credit::,.To claim this credit, .the building permit drawings shall specify the option selected and the <br /> maximum tested building air leakage,and show the qualifying ventilation system and its control sequence <br /> of operation, <br /> 1. Small Dwelling Unit: 3 credits <br /> El welling units less than 1,500 sf in conditioned floor area with less than 300 sf of fenestration area. <br /> Additions to existing building that are greater than 500 sf of heated floor area but less than 1,500 sf. <br /> 2. IVV'ledium Dwelling Unit: 6 credits <br /> All dwelling units that are not included in#1 or #3 <br /> 3. Large Dwelling Unit:7 credits <br /> Dwelling units exceeding 5,000 sf of conditionnd floor area <br /> 4. Additions less than 50O square feet: 1.5 credits <br /> All other additions shall meet 1-3 above <br /> Before selecting your credits on this Summary table, review the details in Table 4:)6.3(Single Family),on page 4. <br /> Summary!of Table R406.2 <br /> Heating Fuel Normalization Descriptions Credits select ONE User Notes <br /> Options heating option <br /> 1 Combustion heating minimum NAECAb 0.0 El <br /> 2 Heat pump` 1.0 ❑ 1„w�=�� <br /> 3 Electric resistance heat only-furnace or zonal -1.0 ❑ <br /> 4 DHP with zonal electric resistance per option 3.4 0.5 ❑ -„ <br /> 5 All other heating systems -1.0 ❑ <br /> Energy Credits-select) ONE <br /> Energy Credit:Option Descriptions energy option fro m each <br /> Options category':1 <br /> 1.1. Efficient Building Envelope 0.5 El <br /> 1.2: Efficient Building Envelope 1.0 El <br /> 1.3 Efficient Building Envelope 0.5 ❑ <br /> 1.4 Efficient Building Envelope 1.0 ❑ <br /> 1.5 Efficient Building Envelope 2.0 ❑ <br /> 1.6 Efficient Building Envelope 3.0 ❑ . <br /> 1.7 Efficient Building Envelope 0.5 ❑ <br /> 2.1 Air Leakage Control and Efficient Ventilation 0.5 El <br /> 2.2: Air Leakage Control and Efficient Ventilation 1.0 <br /> 2.3 Air Leakage Control and Efficient Ventilation 1.5 ❑ <br /> ^ 2.4 Air Leakage Control and Efficient Ventilation 2.0 El <br /> 3.1° High Efficiency HVAC 1.0 Q <br /> 3.2 High Efficiency HVAC 1.0 0 <br /> 3.3° High Efficiency HVAC 1.5 (Q <br /> 3.4 High Efficiency HVAC 1.5 0 <br /> 3.5 High Efficiency HVAC 1.5 d r <br /> 3.6" High Efficiency HVAC 2.0 0 <br /> 4.1. High Efficiency HVAC Distribution System 0.5 El <br /> 4.2 High Efficiency HVAC Distribution System 1.0 0 <br /> Prescriptive Path-Single Family 2018 Washington State Energy Code-R 2 <br />