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Simple Heating System Size:Wast.__. ton State <br /> This heating system sizing calculator is based on the Prescriptive Requirements of the 2015 Washington State Energy Code_WSEC)and ACCA <br /> Manuals J and S.This calculator will calculate heating loads only.ACCA procedures for sizing cooling systems should be used to determine cooling <br /> loads. <br /> Please fill out all of the green drop-downs and boxes that are applicable to your project.As you make selections in the drop-downs for each section, <br /> some values will be calculated for you.If you do not see the selection you need in the drop-down options,please call the WSU Energy Extension <br /> Program at(360)956-2042 for assistance. <br /> Project Information Contact Information <br /> Michael&Jennifer Gilham Michael&Jennifer Gilham <br /> 1223 Lombard Ave 1223 Lombard Ave <br /> Everett,WA 98201 Everett,WA 98201 <br /> Heating System Type: 0 All Other Systems ®Heat Pump <br /> To see detailed instructions for each section,place your cursor on the word"Instructions". <br /> Design Temperature <br /> Design Temperature Difference(AT) 47 <br /> 4E Everett X • <br /> AT=Indoor(70 degrees)-Outdoor Design Temp <br /> Area of Building <br /> Conditioned Floor Area <br /> instructions Conditioned Floor Area(sq ft) 766 <br /> Average Ceiling Height Conditioned Volume <br /> Instructions Average Ceiling Height(ft) 8.0 6,128 <br /> Glazing and Doors U-Factor X Area = UA <br /> 1 0-030 • 0.300 114 34.20 <br /> Skylights U-Factor X Area = UA <br /> instructions 0.50 0 <br /> Insulation <br /> Attic U-Factor X Area = UA <br /> Instructions (K j9 _" 0.026 766 19.92 <br /> Single Rafter or Joist Vaulted Ceilings U-Factor X Area UA <br /> Instructions <br /> Select R.Valw • No selection 0 -- <br /> Above Grade Walls(see Fgure 1) U-Factor X Area UA <br /> Instructions Rzresn wire y., 0.056 834 46.70 <br /> Floors U-Factor X Area UA <br /> Instructions <br /> R_� • 0.029 766 22.21 <br /> Below Grade Walls(see Figure a) U-Factor X Area UA <br /> Instructions p SekttR-W,e • No selection 0 -- <br /> Slab Below Grade(see Figure 1) F-Factor X Len•th UA <br /> Instructions seen wadeable, i No selection 0 -- <br /> Slab on Grade(see Figural) F-Factor X Len• h UA <br /> Instructions SNeatRYalr • No selection 0 -- <br /> Location of Ducts <br /> Instructions - — Duct Leakage Coefficient <br /> Spa" <br /> tt; r 1.10 <br /> Sum of UA 123.03 <br /> Envelope Heat Load 5,783 Btu/Hour <br /> Figure 1. Sum ofUAXAT <br /> Air Leakage Heat Load 3,111 Btu/Hour <br /> eX 0.6X ATX.018 <br /> Above Grade Building Design Heat Load 8,893 Btu/Hour <br /> ._. <br /> Air Leakage+Envelope Heat Loss <br /> Building and Duct Heat Load 9,782 Btu/Hour <br /> Ducts in unconditioned space:Sum of Building Heat Loss X 1.10 <br /> Ducts in conditioned space:Sum of Building Heat Loss X 1 <br /> Maximum Heat Equipment Output 12,228 Btu/Hour <br /> Building and Duct Heat Loss X 1.40 for Forced Air Furnace <br /> Building and Duct Heat Loss X 1.25 for Heat Pump <br /> (07/01/13) <br />