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201811Vashington State Energy Code-Residential <br /> Prescriptive Energy Code Compliance for d!rkIll Climate Zones in'Washington <br /> Single Family-New&Adcliitialns(effective February 1, 2021) <br /> Each dwelling unit in a residential bonding shall comply vritI•r 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 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 /> Dwelling units less than 1,500 sf in conditioned floor area with less than 300 sf of fenestration area. <br /> Additions :o existing building that are greater than 50O sf of heated floor area but less than 1,500 sf. <br /> 2. Medium Dwelling Unit: 6 credits <br /> All dwelling units that are not included in#].or#3 <br /> 3. Large Dwelling Unit: 7 credits <br /> Dwelling units exceeding 5,000 sf of conditioned floor;area <br /> 4. Additions less than 500 square feet: 1.5 credits <br /> -ear urger above <br /> Before selecting your credits on this Summary table,review the cic:tails in Table 406.3(Single Family),on page 4. <br /> Summary cif Ta ble R406.2 <br /> Heating Fuel Normalization Descriptions User-select ONE User Notes <br /> Options heating option <br /> 1 Combustion heating minimum 11lAECAb 0.0 [!] <br /> 2 Heat pump` 1.0 [.] I <br /> SIC-..... COY--2'L�19Tti11C-0C <br /> 3 Electr c resistance heat only-f,Jrnace or zonal <br /> 4 DHP with zonal electric resistance per option 3.4 f:r.5 [_] Ir•_• <br /> 5 All other heating systems -1.0 [_) <br /> Energy Credits-select ONE <br /> O itions Energy Credit optiion Descriptions energy option from each <br /> p category <br /> 1..1 Efficiert Building Envelope 0.5 0 <br /> MIMM.. MMMMMMMMMM. 401110 MIMI�,� <br /> 1.2 Efficiert Building Envelope <br /> 1.3 Efficiert Building Envelope 0.5 <br /> w��=M®IMII�l1N <br /> 1.4 Efficier t Building Envelope :1..0 [_] <br /> 1.5 Efficiert Building Envelope 1.0 0 <br /> Mli�fi M®!li2IMi0M1 <br /> 1.6 Efficiert Building Envelope 3.0 [_] <br /> 3..7 Efficiert Iuilding Envelope 0.5 0 <br /> n1�M.MMMMMMMMY1sMMMIMMMMMMM M MMMMI MMMM M1�11� <br /> 2.1 Air Lea<age Control and Efficient Ventilation 0.5 0 <br /> 2.2 Air Lea<age Control and Efficient Ventilation 3..0 <br /> 2.3 Air Lea<age Control and Efficient Ventilation :1..5 <br /> 2.4 Air Lea<age Control and Efficient Ventilation 1.0 <br /> 3.1a High Efficiency HVAC :L.0 <br /> 3.2 High Efficiency HVAC :1..0 0 <br /> 3.3a High Efficiency HVAC 1..5 <br /> 3.4 High Efficiency HVAC :1..5 <br /> 3.5 High Efficiency HVAC 1.5 C-] 3 <br /> 3.6a High Efficiency HVAC 1.0 C_] <br /> 4.1 High Efficiency HVAC Distribution System 0.5 <br /> 4.2 High Efficiency HVAC Distribution System :I..0 <br /> Prescriptive Path ••Single Family 2018 Washington State E r ergy Code-R ;? <br />