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Simple Heating System Size: Washington State <br /> This heatinq svstem sizinq calculator is based on the Prescriptive Requirements of the 2012 Wasliin ton State Ener Code WSEC and ACCA Manuals <br /> J and S.This calculator will calculate heatinq loads only.ACCA procedures for sizinq coolinq systE�ms should be used to determine coolinq loads. <br /> The glazing(window)and door portion of this calculator assumes the installed glazing and door pioducts have an area weighted average U-factor of 0.30. <br /> The incorporated insulation requirements are the minimum prescriptive amounts specified by the;?012 WSEC. <br /> Please fill out all of the green drop-downs and boxes that are applicable to your project.As you m,�ke selections in the drop-downs for each section,some <br /> values will be calculated for you. If you do not see the selection you need in the drop-down option>,please call the WSU Energy Extension Program at <br /> (360)956-2042 for assistance. <br /> Project Information Contaci Information <br /> Heating System Type: OO nu ocne�sYscemS �Heat Pump <br /> To see detailed instructions for each section,place your cursor on the word'Ynstructions". <br /> Desiqn Temperature <br /> instructions ---- Design Temperature Difference(OT) 47 <br /> I EvPret[1C �„! ', �T=Indooi(70 degrees)-Outdoor Desrgn Temp <br /> ._........... .......... ..........-----` .. <br /> Area of Buildinq <br /> Conditioned Floor Area <br /> instructions Conditioned Floor Area(sq ft) 2,9E�� <br /> Average Ceiling Height Conditioned Volume <br /> Instructions Average Ceiling Height(ft) �] 28,187 <br /> Glazinq and Doors U-Factor X Area = UA <br /> Instructions <br /> 0.30 403 120.84 <br /> Skvliqhts U-Factor X Area - UA <br /> Instructions 0.50 � --- <br /> Insulation <br /> Attic U-Factor X Area - UA <br /> Instructions i — —--— —— - --- <br /> rt>e�+a�ai,�ed . 0.026 445 11.57 <br /> ::: : �:... � <br /> Single Rafter or Joist Vaulted Ceilings U-Factor X Area UA <br /> Instruetions '�,N�v=wnPd celi��nqti n,th�s p�ojecc �' � <br /> ...__. ........ __...___.......... ___._.._..J. i <br /> .�... _. ...... .___ ,....,.wm'�'..�....Y� ,,....s..,,.,,;,,a <br /> Above Grade Walls�see Fre��e il U-Factor X Area UA <br /> Instructions — - 0.056 2,120 118.72 <br /> I R 11 Interix�ediate �� <br /> ... ......., m..�.�.�.....���..r..�«a�.«��.. ..... . . <br /> Floors U-Factor X Area UA <br /> Instructions 0.029 1,088 31.55 <br /> I R 30... ....... �. <br /> _ e.m , ..�.� � <br /> .._ ...... ...r�M!9�aa� �.,...„s. . <br /> Below Grade Walls�see F�q�.e i� U-Factor X Area UA <br /> Instructions I R n intF_,r�o� �� ' 0.042 924 38.81 <br /> - ��.��,��e��:..:s <br /> „,,,,,. <br /> Slab Below Grade Isee F�qure iJ F-Factor X Length UA <br /> Instructions � <br /> �No Slab 6el�w Cr�de in tl is pioject. � <br /> �. ..., d ... .., ... mn . ..,�..�,.w <br /> Slab on Grade(see Fiyure�) F-Factor X Length UA <br /> Instructions � <br /> j No Slab on C,rade in this projecL �'� <br /> Location of Ducts <br /> instruccions _ __ __ _ _ : Duct Leakage Coefficient <br /> C nditioned Space ' <br /> - --.____. _ _ . 1.00 <br /> Sum of UA 321.49 <br /> Envelope Heat Load 15,110 Btu/Hour <br /> Fiqure 1. s�m of ua x�r <br /> Air Leakage Heat Load 14,307 Btu/Hour <br /> VnlumeX 0.6X.�TX.�18 <br /> aeo�ec��dP Building Design hleat Load 29,417 Btu/Hour <br /> Aii Leakage+Envelop��Heat Loss <br /> Below Grade <br /> � Building and Duc�Heat Load 29.417 etu/Hour <br /> . Ducts in unr,onditioned space:Sum ol Building Heat Loss X 1.70 <br /> � Ducts in conditioned space�Sum ol Building Heat Loss X 1 <br /> Maximum Heat Equipment Output 41,184 etu/Hour <br /> Building and Duct Heaf Loss X 1.40/or Fnrced Air Furnace <br /> Building and Duct Heat Loss X 725/or Heaf Pump <br /> (07/01/IJ) <br />