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2018 6Vashington State Energy Code-Residential <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 following minimum number of <br /> credits.To claim this credit,the builcing permit drawings shall specifythe option selected and the <br /> maximum tested building air leakage,and show the qualify ng ventilation system;and its control sequence <br /> of operation. <br /> 1. Small Dwelling Unit:3 credits <br /> Dwelling units less than 1,500 sf in conditioned floor area with less than 3004 of fenestration area. <br /> Additions to existing building that are greater than 500 sf of heated floor area but less than 1,500 st. <br /> 2. Medium Dwelling Unit:6 credits <br /> All dwelli lg units that are not included in#1 or#3 <br /> 3. Large Dwelling Unit: 7 credits <br /> Dwelling units exceeding 5,000:;f of conditioned floor area <br /> 4. Additions less than 500 square feet: 1.5 credits <br /> 'her:: ?ll meet 1-3 above <br /> Before selecting your credits on this Summary table,review the details in Table 406.3(Single Family),on page 4. <br /> Summary of Table R406.2 <br /> Heating Credits-select ONE <br /> Options Fuel Normalization C�escriptions heating option user Notes <br /> 1 Combustion heating minimum NAECAb 0.0 ❑ _ _] <br /> 2 Heat pump° 1.0 ❑ C _� <br /> 3 Electric resistance heat only-furnace or zonal j -1.0 ❑ <br /> 4 DHP with zonal electric resistance per option 3.4 -0.5 _ _] <br /> 5 All other heating systems -1.0 ❑ C =] <br /> Energy j Credits-select ONE <br /> Options Energy Credit Option Descriptions energy option from each <br /> __ category d <br /> 1.1 Efficient Building Envelope 0.5 ❑ =1 <br /> 1.2 Efficient Building Envelope 1.0 0 Ji <br /> 1.3 j 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 ❑ <br /> 2.2 Air Leakage Control and Efficient Ventilation 1.0 0 _] <br /> 2.3 Air Leakage Control and Efficient Ventilation 1.5 ❑ _] <br /> 2.4 Air Leakage Control and Efficient Ventilation 2.0 ❑ <br /> 3.1- High Efficiency HVAC _ 1.0 ❑ !] <br /> 3.2 High Efficiency HVAC 1.0 ❑ _] <br /> 3.38 High Efficiency HVAC 1.5 ❑ _] <br /> 3.4 High Efficiency HVAC 1.5 ❑ _] <br /> 3.5 High Efficiency HVAC _ 1.5 ❑ _] <br /> 3.6- High Efficiency HVAC 2.0 ❑ _] <br /> 4.1 High Efficiency HVAC Distribution System 0.5 ❑ <br /> 4.2 High Efficiency HVAC Distribution System 1.0 ❑ <br /> Prescriptive Path -Sirgle Family 21318 Washington State Energy Code-R 2 <br />