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Simple Heating System Size: <br />� ��, � � <br />n State � , �� <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 seetion, <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 lnformation Contact lnformation <br />Unit El Townhome Polygon Northwest <br />Silver Lake Townhomes Alaina Robertson <br />Everett, Washin ton �425)b06-0005 <br />H@atlilC� SySt@fll TVp@: �O Forced Air Fumace Q Heat Pump <br />To see detailed instrucfions for each sectron, place your cursor on the word "lnsiructrons". <br />Desiqn Temperature <br />�"�t`�a`t1Of` ` � Design Temperature Difference (OT) <br />i EvOrCtt JC � pT = Indoor (70 degrees) - Outdoor Design Temp <br />l �,e� :;. ._..'r�sa �s� � ' <br />Area of Buildinq <br />Gonditioned Floor Area <br />instr���i;��„s Conditioned Fioor Area (sq ft) <br />Average Ceiling Height <br />?"�t' ��t'°"� Average Ceiling Height (ft) <br />Glazinp and Doors <br />instnsctions <br />Insulation <br />Attic <br />Ins�rdacfiaris —' — �, l <br />� �-ag .. <br />5� � ='. - � _ � -, ��,x. a <br />Single Rafter or Joist Vaulted Ceilings <br />lnstruciions . _� �.. .�.._ ...��_�-1 � <br />� M10 Vaulted Cellin95 In this pro)ect �. � <br />�,. <br />v_, ....: .� , .�s -.•:_.-,�� `*-�i� ...- �Sst�'I - "� �'- <br />Above Grade Walls �:re Figure �� <br />Instrucfions � _ — ---- <br />� R21 �i: „� <br />��•�� �"_" ..:�.ti �,--t " ;�;� <br />Floors <br />Insrrue:ion; — --- � — — <br />� R-30 � y�;� <br />..�.,��_ — - -- - - <br />,.....N �.�� .� .. ,.. <br />__ <br />Below Grade Walls �sK Figu.e i� <br />_ _ _. _ ____ _ _ <br />Irstrucfio�is _.._ __._�.__ � <br />ho I3elow Grade Walls m lbls pro7ect � E <br />y� — :,;:.��y - - <br />Slab 8elow Grade rs� Fiu��e �i <br />lnstruct;ons � _ _ - _:. � <br />No Slab 6efow Grade fn this pro�ect � <br />�...;�:;._ _._�'--o...-_.:,�, .a��., y��� :: .t, .���: <br />Slab on Grade �seeFrcure» <br />Insiructions E -. ----.--.__� _�___ <br />, � R-10 Penmeter � ` � <br />h„��,�� a: � � <br />Location of Ducts <br />;nstr�:�«�;._ _ __. _ __ . <br />Contliuonetl Space ` � � <br />- -� - <br />Fiqure 1. <br />,��"`��'�.�, <br />Above Grade <br />;_. <br />. j � � i -----� <br />1,36$ <br />Conditioned Volume <br />8.5 11,628 <br />U-Factor X Area = UA <br />0.30 1$1 54.42 <br />U-Factor X Area = UA <br />0.026 602:' 15.65 <br />U-Factor <br />U-Factor <br />0.056 <br />U-Factor <br />0.029 <br />U-Factor <br />F-Factor <br />Area UA <br />� <br />Area UA <br />413 23.13 <br />Area UA <br />345 10.01 <br />Area UA <br />0 --- <br />Le� UA <br />F-Factor Len th UA <br />0.540 66 35.64 <br />Duct Leakage Coefficient <br />1.00 <br />Sum of UA <br />138.85 <br />47 <br />Envelope Neat Load 6,526 Btu / Hour <br />SumoNAXOT ' <br />Air Leakage Heat Load 5,902 etu / Hour <br />vaumex o.sxerx.o�a <br />Building Design Heat Load 12,428 Btu / Hour <br />AirLeakage + Envebpe HealLoss <br />Building and Duct Heat Load 12,428 etu / Hour <br />Ducts in unconddioned space: Sum of 6ui/ding Heat Lass X 1. i0 <br />Oucts in conditloned spaca: Sum of Building Heat Loss X i <br />Maximum Heat Equipment Output 17,399 etu / Hour <br />Building and Duct Heat Loss X 1.40 !or Forced Air Fumace <br />Building and Duct Heat Loss X L25 for Heat Pump <br />Y(07/01/13J <br />