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Sim le Heatin S stem Size: Washin ton State <br /> This heatina svstem sizina calculator is based on the Prescri�tive Reauirements of the 2012 Washinaton State Enerav Code fWSECI and ACCA <br /> Manuals J and S This calculatorwill calculate heatina loads onlv.ACCA�rocedures for sizma coolina svstems should be used to determine coolina <br /> loads. <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 projecL 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 /> Pro�ect Info�mation Contact/nformahon <br /> Plan 1958 <br /> Heatina Svstem Tvoe: O Fo«�n��w��a�e ��eatVump <br /> To see detaiied ins�ructions for each sec�ion,place your curso�on the word"Instruc�ions". <br /> Desiqn Temaerature <br /> E��7„r - � � Design Temperature Difference(i�T) 51 <br /> dT (ndoor(70 deq�ees)-Oufdoor Design Temp <br /> �f�—"- -- �r — —-- <br /> Area of Buildina <br /> Conditioned Floor Area <br /> tnsaf•c:ct�oris Conditioned Floor Area(sq ft) 1,958 <br /> Average Ceiling Height Conditioned Volume <br /> ie:;��ucc�ons Average CeiGng Height(ft) 8.5 16,643 <br /> Glazina and Doors U-Factor X Area = UA <br /> �n:tructiran� 0.30 278 83.40 <br /> Insulation <br /> Attic U-Factor X Area = UA <br /> �s���"'�iiO1i� � 0.026 1,259 32J3 <br /> R-49 I <br /> —— - —.r�ri -- - � <br /> Single Rafter or Joist Vaulted Ceilings U-Factor Area UA <br /> Inatruc!ions No VaWte�7 Ceiluiys in thK ptoJett. � I "" � <br /> _ j <br /> Above Grade Walls�seeFigure�� U-Factor Area UA <br /> �_zl � I 0.056 2,200 123.20 <br /> �.r.�_�'�'�`�--' -- � <br /> Floors U-Factor Area UA <br /> Inserucpnnr> 0.029 1,259 36.51 <br /> a-3o _ � 1 <br /> Below Grade Walls�SBaF+g�re�� U-Factor Area UA <br /> No Below Grade Walls in this�oJect. � � ^ � � <br /> — � <br /> Slab Below Grade/see Fiyure�� F-Factor Le� UA <br /> No Slab Be�ow GraOe in tMs pmJecI._ � + <br /> J� <br /> Slab on Grade�see Fiyure t� F-Factor Le� UA <br /> no iiaC on Graae�n:his�mje:t. � ` <br /> i l <br /> Location of Ducts <br /> � Duct Leakage Coefficient <br /> Unconditioned SVace � ' <br /> _. �, -- - - — ._J 1.10 <br /> Sum of UA 275.85 <br /> Envelope Heat Load 14,068 etu�Hour <br /> Flqure 1. SumoIUAX�T <br /> Air Leakage Heat Load 9,167 Btu/Hour <br /> VolumeX O6XOTX 0'8 <br /> no�„�a��a� Building Design Heat Load 23,235 etu!Hour <br /> Air Leakage+Envelope Nea f Lcss <br /> Building and Duct Heat Load 25,559 Btu!Hour <br /> Ducfs in unconaifioned sp�r.e:Sum olAuildinc�Heaf Loss X 7 10 <br /> Oucfs in conddioned space:Sum o(Buildinq Heaf Loss X 1 <br /> Maximum Heat Equipment Output 35,782 Btu I Hour <br /> 6uilding and Dvc[heat Loss X 1 40 fo�Foined Air Fumace <br /> Burldrnq and Duct heaf Loss X 1 25 Por Heat Pump <br /> (07/01/11 J <br />