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Simple Heating System Size:Washington State <br /> This heating system sizing calculator is based on the Prescriptive Requirements of the 2012 Washinstton 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 /> lea S. <br /> The glazing(window)and door portion of this calculator assumes the installed glazing and door products have an area weighted average U-factor of <br /> 0.30, The incorporated insulation requirements are the minimum prescriptive amounts specified by the 2012 WSEC. <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 /> PLAN#2064 PAUL BUSTARD <br /> 425-876-6551 <br /> Heating System Type: To Forced Air Furnace C)Heat Pump <br /> To see detailed instructions for each section,place your cursor on the word"instructions" <br /> Design Temperature <br /> instructions Design Temperature Difference(AT) 49 <br /> Everett Paine AFB ° 3r=dadoort70degrees,'•OutdoerOesrgn remp <br /> Area of Building <br /> Conditioned Floor Area <br /> instruction''' Conditioned Floor Area(sq ft) ( 2,064 <br /> Average Ceiling Height Conditioned Volume <br /> Instructions Average Ceiling Height(ft) 8.0 16.512 <br /> Glazing and Doors U-Factor X Area = UA <br /> Instructions 0.30 280 84.00 <br /> Insulation <br /> Attic U-Factor X Area = UA <br /> Instructions <br /> } :I R 4g „ 0.026 1,320 34.32 <br /> Single Rafter or Joist Vaulted Ceilings U-Factor Area UA <br /> Instructions <br /> Select R-Value „ No selection <br /> Above Grade Walls/see Figure 1) U-Factor Area UA <br /> Instructions i R-21 „, 0.056 2,226 r 124.66 <br /> Floors U-Factor Area UA <br /> Instructions 0.029 1,320 38.28 <br /> 3 R-30 „ <br /> Below Grade Walls/sea Figure 1) U-Factor Area UA <br /> Instructions No selection <br /> Select R value Fr,' <br /> Slab Below Grade(see Figure 1) F-Factor Len UA <br /> Instructions No selection th <br /> Select conditioning „ , <br /> Slab on Grade(see Figure 1) F-Factor Len•th UA <br /> inot,ucBart; R-10 Fully Insulated 0.360 110:' 39.60 <br /> Location of Ducts <br /> Instructions Duct Leakage Coefficient <br /> Conditioned S=ace V°11- <br /> 1.00 <br /> Sum of UA 320.86 <br /> Envelope Heat Load 15.722 Btu/Hour <br /> Figure 1 sum oltJAXtT <br /> Air Leakage Heat Load 8,738 Btu/Hour <br /> voiumex oSxnrx.ole <br /> Abo,;efirace Building Design Heat Load 24,460 Btu/Hour <br /> Air Leakage Fnverope Heat Loss <br /> Building and Duct Heat Load 24,460 Btu I Hour <br /> Ducts in ar ondi',cned space.Sum of Eutd{ng Heat Loss X i.1 e <br /> Ducts in conditioned space Sum of atufdurg Heat Loss X <br /> Maximum Heat Equipment Output 34,244 Btu/Hour <br /> Budding and Duct Hest Loss X 1.40 for Forced AM Furnace <br /> Eurtding ar,d Duct Heat Loss X 1.25 for Heat Pump <br />