Laserfiche WebLink
2018 Washington .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 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 r_rpr it <br />Dwelling 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. Medium Dwelling Unit: 6 credits <br />All dwelling units that are not included in #1. or #3 <br />3. Large Dwelling Unit: T credit <br />Dwelling units exceeding 5,000 sf of conditioned floor area <br />4. Additions less than 500 square feet: 1.5 credit: <br />,ii oiner additions snaii 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 Fuel Normalization Descriptions Credits - select ONE User Notes <br />Options heating option <br />1 Combustion heating minimum NAECAb 0.0 ❑ <br />2 Heat pump` 1.0 0 <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 />Options Energy Credit Option Descriptions energy option from each <br />p category <br />1.1 Efficient Building Envelope 0.5 ❑ <br />1.2 Efficient Building Envelope 1.0 ❑ <br />1.3 Efficient Building Envelope 0.5 0 <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 ❑ `� <br />2.3 Air Leakage Control and Efficient Ventilation 1.5 ❑ -1 <br />2.4 Air Leakage Control and Efficient Ventilation 2.0 ❑ I <br />3.1a High Efficiency HVAC 1.0 ❑ <br />3.2 High Efficiency HVAC 1.0 C] <br />3.3a High Efficiency HVAC 1.5 ❑ <br />3.4 High Efficiency HVAC 1.5 ❑ <br />3.5 High Efficiency HVAC 1.5 ❑ <br />3.6a 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 0 <br />Prescriptive Path - Single Family 2018 Washington State Energy Code-R 2 <br />