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le` Heating System Size: Washinaton State <br />he glazing (window) and door portion of this calculator 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 Extension <br />rogram at (360) 956-2042 for assistance. <br />Project Information Contact lnformafion <br />Unit E3 Townhome Polygon Northwest <br />Silver LakeTownhomes Alaina Robertson <br />Everett, Washin ton (425) 606-0005 <br />HEatlllq SySt@I71 TVpe: OO Forced tir Fumace Q Heat Pump <br />To see detailed instructions for each section, place your cursor on the word "lnstructrons". <br />Desipn Temperature <br />!t,st�c«f;o�,s _ �_:___ _.._.� __ ..._--_. .- : __ Design Temperature Difference (4T) <br />Ever¢It )C �� pT = lndoor (70 degrees) - Outdoor Deslgn Temp <br />� .� T <br />Area of Buildinq <br />Conditioned Fioor Area <br />s,5ir�:�tso„S Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />:ry>truct�o;,s Average Ceiling Height (ft) <br />Glazinp and Doors <br />lnstrisc!ia:r= <br />Insulation <br />Attic <br />__ _. _ <br />fristruetians -�_ � �_ _._ �I <br />� �R-4�. _ w `���:7 <br />Single Rafter or Joist vaulted Ceilings <br />_ ___ _.._ <br />Instructions � -- --- _-- �--'�— —^ <br />No Vaulted Cellmps fn th15 proJett ��; <br />-- �.... �'� <br />Above Grade Walls �see Fieure �� <br />Instruciio7s —_- -------- -- <br />� R 2i- -- _ � ks. � <br />� <br />Floors <br />_ _. . ....._ _ <br />�nst� uctic;n> �---- --- <br />� ` R-30 � f �-. <br />Below Grade Walls �:ee F�9ure �� <br />___ _--- - _ <br />lnsin�ctions --- _ _ — __._. � � <br />� 10 Below Grade Walls in thls pro)ect. '� <br />� <br />Slab Below Grade rare FiQure n <br />:nstruciions -- — — <br />� �o Slab Below Grade in thls pro�e[t � <br />_; — — �''-' <br />Slab on Grade �see F���re �� <br />InsCructians ..__.__ _ .,.°---.. .:.__.._ ___:.__ _ _._.._—_ <br />R-10 PeritilET2r � � <br />�'; <br />. . . ...__ _. . _ . _. . . <br />Location of Ducts <br />!fl5iflFCifC�f;S _ _ _ "' _... <br />Conai[ioned Space � A + >, � <br />���� � . <br />Ffqure 1. <br />F�A <br />�'`` �'<� <br />��� �. Above Grade �� <br />� , ,��;, k - <br />Balow9rade' -- - <br />9,585 <br />Conditioned Volume <br />8.5 13,473 <br />U-Factor X Area = UA <br />0.30 289 80.70 <br />U-Factor X Area = UA <br />OA26 263 . 6.84 <br />U-Factor <br />U-Factor <br />0.056 <br />U-Factor <br />o.ozs <br />U-Factor <br />F-Factor <br />Area UA <br />0 <br />Area UA <br />528 29.57 <br />Area UA <br />379 10.99 <br />Area UA <br />0 __ <br />Le� 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 />47 <br />Envelope Heat Load 8,083 Btu / Hour <br />Sum o/ UA X dT <br />Air Leakage Heat Load 6,839 Btu / Hour <br />Vo/umeX O.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 Btu / Hour <br />Ducts in uncondrtioned space: Sum of BuAding Heat Loss X i.10 <br />Ducts in conditioned space: Sum of Building Heat Coss X 1 <br />Maximum Heat Equipment Output 20,890 Btu / Hour <br />Building and Duct Nea! Loss X i.40 /or Forced Air Fumace <br />Building and Duct HeatLossX 9.25 forHeal Pump <br />(07/01/13J <br />