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Heatinp Svstem Size: Washinqton State <br />glazing (window) and door portion of this caiculator assumes the installed glazing and door products have an area weighted average U-factor of <br />. The incorporated insulation requirements are the minimum prescriptive amounts specified by the 2012 WSEC. <br />se 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 />e values will be calculated for you. If you do not see the selection you need in the drop-down options, piease call the WSU Energy Extension <br />�ram at (360) 956-2042 for assistance. <br />Project Informafion Contact lnformation <br />Unit E3 Townhome Polygon Northwest <br />Sifver LakeTownhomes Alaina Rohertson <br />Everett, lNashin ton (425) 606-4005 <br />H@atlflQ SySt@!71 TVI�e: OO Forced Air Fumace Q Heat Pump <br />To see defailed instrucfions for each section, place your cursor on the word '7nsfructions". <br />Desiun Temperature <br />�,s.r�,::t�ons .— � `j Design Temperature Difference (OT} <br />Everett ]C �� i pT = lndoor (70 degrees) - OutdaorDesign Temp <br />�_" _ _' - `"�"' <br />Area of Buildinq <br />Conditioned Floor Area <br />�rsTructior,s Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />IIi5E1'UCf10615 Average Ceiling Height (ft) <br />Glazing and Doors <br />I��sfruct(ons <br />Insulation <br />Attic <br />I.istructions M R�9. -. _ . ...._... - ___ ,.' <br />! .. .,. � ::: � _ . .: _ _: _ �, s�, . �. <br />Single Rafter or Joist Vaulted Ceilings <br />instruc4fons ` -_ - �w�;..� <br />4 No vauRed Ceii�nps in this pro�ecC <br />Q- y> .�.,�_ �.,a� <br />Above Grade Wa11s �s�e Fryure T� �`~ � <br />Insiructions --- - <br />R21 �r,�� <br />��;;:� <br />Floors __ �' _ <br />Instruciians � <br />R 30 � i � <br />� . �t <br />...._. ... ..P _�� '.. ..'. <br />Below Grade Walis �see F�eure 11 <br />1r.structions — — <br />� Ao Below Grade Walls in this pro�ect _ �� ,, <br />.� � <br />Slab Below Grade rsee F�a�re n <br />dnsiructions � �- - -._ ... I <br />No Stab Below Grade �n this pro�ect �'� I <br />. . . .. ._.. 3 At;.: i. . . . . . �J <br />Slab on Grade ��ee Fiq�.e �� <br />insfruciions -- _.__ __..-_. .. _ <br />� R !0 Peruneter , _ � �, <br />� <br />Location of Ducts <br />(I7SA;iiCi10315 . .. . ......... . ` .. . <br />�Condttwned Space � W �;,, I <br />z - et��,.u� , a rt��:.::: <br />Fiqure 1. <br />��<. <br />� <br />Above Grade <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 UA <br />� <br />Area UA <br />528 29.57 <br />Area UA <br />379 10.99 <br />Area UA <br />� --- <br />Le� UA <br />Len th UA <br />81 43.88 <br />Duct Leakage Coefficient <br />1.00 <br />171.97 <br />47 <br />Envelope Heat Load 8,083 Btu / Hour <br />Sum of UAX�T <br />Air Leakage Heat Load 6,839 Btu / Hour <br />Vo/umeX 0.6X�TX.018 <br />Building Design Heat Load 14,921 Btu / Hour <br />Air Leakage + Envelope Heat Loss <br />Building and Duct Heat Load 14,921 Btw / Hour <br />Ducfs in unconddioned space: Sum of Building Hea! Loss X 7.90 <br />Oucts in conditioned space: Sum of 8uilding Heat Loss X 1 <br />Maximum Heat Equipment Output 20,890 Btu / Hour <br />Building and Duct Heat Loss X 1.40 (orForced Air Furnace <br />Building and Duct Neat Loss X 7.25 ior Heal Pump <br />(07/01/I.?J <br />