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Simple Heating System Size: Washington State <br />The glazing (window) and door portion of this caiculator 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 appiicable 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 />Prograrn at (360) 956-2042 for assistance. <br />Project information Contact Information <br />Unit E3 Townhome Polygon Northwest <br />Silver Lake Tow�homes Alaina Robertson <br />Everett, Washin ton (425) 606-0005 <br />Heatinq System TVPe: O Fo��ed a� F�ma�e Q Heat Pump <br />To see defailed instrucfions for each section, place your cursor on the word "Inshuctions". <br />Desiqn Temperature <br />�ns,sru�:�io,< ___._: __�_ ;.::.�__ — i Design Temperature Difference (4T) <br />Everett JC � � �T = lndoor (70 degreesJ - Oufdoor Design Temp <br />�_.., �--'�'�M . .. . .� <br />Area of Buiiding <br />Conditioned Floor Area <br />�nszrucuo„ � Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />irutructions Average Ceiling Height (ft) <br />Glazinq and Doors <br />ir,sh uctions <br />Insulation <br />Attic <br />__ __ _ _ _ _ <br />Instruc`iors — --" : { <br />6 �, R-49 � i j <br />la,z,k - �,���>• i <br />Single Rafter or Joist Vaulted Ceilings <br />_. _._ _ _ _ _ _ _ __ . _..__. . .._ __ <br />Ins;riectior,s -- ---- _.._ � <br />� No Vaul[ed Cellin�s In this proJeCC. �< <br />� _ - �,',.s.. .s�su � - <br />_. , _.�.. .,..�.,,.,� <br />Above Grade Walls �seeFieure �� <br />l�:siructions f�� -_ --- ---------------- - _.�.-� l <br />l�.k! R"21 � � .i <br />_. . . _ <br />Floors <br />__ ___. ___._ _ _ _ <br />InsVucfiorts -. -__., .___.___�._.Y_ - ._ ....:.__ �....__.._ � <br />� . R-30 � ' <br />' �� — <br />Below Grade Walls �:� Fie�re a1 <br />_ _.._. _ _ __ _..._.._.__ <br />`.nstruciioi�: ___ __ _ _�_� <br />10 Below Grade Walls in thls pro�xt. � i <br />� _ _ _ • <br />Slab Below Grade �s��Fi,r�re» <br />lns4r�iciions ' --- ...- --- �- - ��-- � i <br />C No Slab Qelow Grade In thls pro}ect <br />�,_..�.._M..�.... - ..t` ���'s.s�'e;`c . ... <br />Slab on Grade �See F�a�re n <br />4zs[ruciions __-- ------ � ----'- ---- <br />I R-10 Penmeter � �� � <br />�... _ :.,_: ...��k'� <br />_ . _ __ . <br />Location of Ducts <br />Ins4ruct�or,s _ <br />f Condihoned Space 4 � � . <br />�..;;�` ��' �` ,<� .,.� ".��'�, <br />Ffqure 1. <br />���,� <br />.- ��,.�"'�, <br />� Abwe Grade ' <br />� � <br />� _. <br />, <br />k�..Y <br />1,b85 <br />Conditioned Volume <br />8.5 9 3,473 <br />U-Factor X Area = UA <br />0.30 2&9 80.70 <br />U-Factor X Area = UA <br />0.026 263 6.84 <br />U-Factor <br />U-Factor <br />0.056 <br />U-Factor <br />0.029 <br />U-Factor <br />F-Factor <br />Area <br />� <br />Area <br />528 <br />Area <br />379 <br />Area <br />� <br />Le� <br />UA <br />UA <br />29.57 <br />UA <br />10.99 <br />UA <br />UA <br />F-Factor Len th UA <br />0.540 81 43.88 <br />Duct Leakage Coefficient <br />1.00 <br />Sum of UA <br />171.97 <br />Cfl <br />Envelope Heat Load 8,083 Btu / Hour <br />Sum o7 UA X �T <br />Air Leakage Heat Load 6,839 Btu / Hour <br />Vo/umeX 0.6XOTX.018 <br />Building Design Heat Load 14,921 Btu / Hour <br />Air Leakage + Enve/ope Heat Loss <br />Building and Duct Heat Load 14,921 Btu / Hour <br />Ducts in unconditloned space: Sum of Building Neat Loss X 1.10 <br />Ducts in conditioned space: Sum of Building Heat Loss X 1 <br />Maximum Heat Equipment Output 20,890 Btu / Hour <br />Building and Ouct Heat Loss X L40 (or Forced Air Fumace <br />Building and Duct Heat Loss X 1.25 for Heat Pump <br />� <br />(07/01/13J <br />