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 credits <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: -_ _-.._- <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 conditioned floor area <br /> 4. Additions less than 500 square feet: a.5 cre -, <br /> All other additions shall 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 and 406.3 <br /> Heating Credits-select ONE <br /> Fuel Normalization Descriptions User Notes <br /> Options heating option <br /> 1 Combustion heating minimum NAECAb 0.0 j <br /> 2 Heat pump` 1.0 <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 i energy oopttiioonn from each <br /> ory <br /> 1.1 Efficient Building Envelope 0.5 <br /> 1.2 I Efficient Building Envelope 1.0 <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 <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 <br /> IV High Efficiency HVAC 1.0 <br /> 3.2 High Efficiency HVAC 1.0 <br /> 3.3a High Efficiency HVAC 1.5 <br /> 3.4 High Efficiency HVAC 1.5 <br /> 3.5 High Efficiency HVAC 1.5 <br /> 3.6a High Efficiency HVAC 2.0 <br /> 4.1 High Efficiency HVAC Distribution System 0.5 <br /> _ .._ - - -- - - - -- - -- -- -- - --- -- --- -- -- -- -- -------------1 <br /> 4.2 High Efficiency HVAC Distribution System 1.0 <br /> Prescriptive Path-Single Family 2018 Washington State Energy Code-R 2 <br />