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Simple Heatinq System Size: Washinqton State <br />he glazing (window) and door portion of this caiculator assumes the installed glazing and door products have an area weighted average U-factor of <br />30. The incorporated insulation requirements are the minimum prescriptive amounts specified by the 2012 WSEC. <br />lease 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 />�me 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 Exfension <br />rogram at (360) 956-2042 for assistance. <br />Project lnformation Contacf lnformation <br />Unit E3 Townhome Polygon Northwest <br />Silver LakeTownhomes Alaina Robertson <br />Everett, Washin ton j425J6D6-0005 <br />H@atlilC� SVSt81'Tl TVPe: O Forced Air Furnace � Heat Pump <br />To see detailed instructions for each section, place your cursor on the word "Instructions". <br />Desiqn Temperature <br />�n��n«tso�,s __,_�_�_-�._-____ Design Temperature Difference (4T) <br />Everet[ JC '�� � �T = Indoor (70 deg�ees) - Outdoor Design Temp <br />J <br />Area of Buildinq <br />Conditioned Fioor Area <br />�r,,vuctions Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />instructio,,s Average Ceiling Height (ft) <br />Glazinq and Doors <br />;�is,trc�ctions <br />Insulation <br />Atti c <br />lnsir��ciions �R-49 ._..._.._.._ _____�.._ .. _.._..... .:..._�_ :� <br />� ��:r:- -- - --- _, <br />Single Rafter or Joist VaWted Ceilings <br />_._____.. _ _ _ <br />insYcuctions _.. --._ _ _._._._�.:....._._ � � <br />No Vaul[ed Ceihngs In thls proJeR. �` <br />�.�....... �s _ <br />Above Grade Walls �SeeFigure �� <br />lnsiructio�,s � _ ---------__�v._�� — <br />� R 21 . . . ... . . , . . . . '� <br />Floors <br />_ __ _ _. <br />Instrcetians ��----- —`�� ----`- � �-°- � <br />� R-30 + <br />� ._ ;, <br />��h � <br />Below Grade Walls rs� Fieure �) <br />_ _ —__._... _ <br />Insiructia�is _ _ _ _ .____� <br />No t3elo�� Grade V'.alls in thls pro7ec[. T; , <br />f — _ � <br />Slab Below Grade �see Fiqu� �i <br />Ir�sin�ciio�,s _ _- ____.__— <br />' �ao Slab 6elow Grade in this pro�ect` �`; <br />Slab on Grade �see F�a�re» <br />instrucYiens __._._._.� _ <br />� R-10 acnmeter � � <br />���- - <br />Location of Ducts <br />i�,�,�u�r��z,5 _ _ . <br />CondiUoned Space �� <br />t._.�._._:.�.._. �_.:;�.__,_ , �-��--''�"."_�« : <br />Fiqure 1. <br />,.N,'`� <br />.. - °- --..-. .. . - . .-.,I�: _, <br />I Above Grade � <br />; BebwGrade � �� � � � <br />I <br />1,585 <br />Conditioned Volume <br />8.5 13,473 <br />U-Factor X Area = UA <br />0.30 269 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 />F-Factor <br />0.540 <br />Sum of UA <br />Area <br />0 <br />Area <br />528 <br />Area <br />379 <br />Area <br />0 <br />Le� <br />Len th <br />81 <br />Duct Leakage Coefficient <br />1.00 <br />UA <br />UA <br />29.57 <br />UA <br />10.99 <br />UA <br />UA <br />UA <br />43.88 <br />171.97 <br />47 <br />Envelope Heat Load 8,083 Btu / Hour <br />Sum ol UA X �T <br />Air Leakage Heat Load 6,839 Btu / Hour <br />Vo/umeX O.6X4TX.018 <br />Building Design Heat Load 14,921 Btu / Hour <br />Air Leakage + Envelope Heat Loss <br />Building and Duct Heat Load 14,921 Btu / Hour <br />Ducts in uncondi6oned space: Sum of 8uilding Heat Loss X 9.10 <br />Ducfs in condi6'oned spaee: Sum of Buildrng Heat Loss X 1 <br />Maximum Heat Equipment Output 20,890 Btu / Hour <br />Building and Duct Heat Loss X 1.40 fo� Forced Ai� Fumace <br />Building and Duct Heat Loss X i.25 for Hea! Pump <br />����,� <br />(07/O1/13f <br />