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Heatinq Svstem Size: Washinaton State <br />glazing (window) and door portion of this calculator assumes the instalied 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 wiil 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 Information Contact lnformation <br />Unit E3 Townhome Polygon Northwest <br />Siiver Lake Townhomes Alaina Ro�ertson <br />Everett, Washin ton (425) 606-0005 <br />H@atlf7C� S\!St@Ill Type: O Forced Air Fumace � Heat Pump <br />To see detailed instructions for each section, place your cursor on the word "Instructions". <br />Desiqn Temperature <br />sr,stn��t�o�,s _.�. __.._:�.� ___. ___ I Design Temperature Difference (4T) <br />Evetett JC __��, J pT = Indoor (70 degrees) - Oufdoor Design Temp <br />� . <br />Area of Buildinq <br />Conditioned Floor Area <br />gnseru�:tions Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />InsYruciions Average Ceiling Height (ft) <br />Glazin9 and Doors <br />instrdictions <br />Insulation <br />Attic <br />_. <br />lnsrreiciior�s <br />� R-49 + 1 <br />v.su.�«, w�E"_"'" <br />Single Rafter or Joist VaWted Ceilings <br />_ ___._ _._._ __ _ --...___..... <br />It,s4ructions -. __ — _____ . ----- �—, <br />I No Vaulted Cellinqs In Uns proJeft ���� <br />I <br />Above Grade Watls �see Fie�re i� � <br />InsVuctions — �— � � �� � � <br />� R-21 � � <br />.. _ .,� -:� � <br />Floors <br />_ .--....__.... .._ _ _ <br />lnstructions -- ' ' <br />�R30 �' <br />_ ., .d..� _ _. .. <br />Below Grade Wa11s rsoe Fia�re n <br />_ . _ . _ ._. _. _ <br />Instructions �----- —__._.._._._..._ - —,— -- <br />�� No Belotv Grdde Wd115 in lhl5 pr0)eCt �;.. <br />--.- . T ...,._.. <br />— --------� ...... ....:. <br />Slab Below Grade �see F�aure rr <br />�� ��� tJo Slab Etelow Grade in this pro�ecL �`; � <br />� . :.t�:�, <br />Slab on Grade �SeeF�nure n <br />_ __ __ <br />Instructiors _ �_ :-- ---- -_.�.�.:� ----� 1 <br />' R-10 Penme[er � ! � <br />�. — — — <br />_ _ _ . . <br />Location of Ducts <br />Irs.n.�ciianz. __ -- -- � <br />f Condltioned Space ~ � I <br />i� x -<--x-T-�--- <br />Fipure 1. <br />��, <br />�'����I`AboveGrade� ���I..� <br />i <br />� ;� BebwGrade. . .� ..-... ., <br />1,585 <br />Conditioned Volume <br />8.5 13,473 <br />U-Factor X Area = UA <br />o.so 2ss so.�o <br />U-Factor X Area = UA <br />OA26 2S3 6.84 <br />U-Factor Area <br />-- � <br />U-Factor Area <br />0.056 528 <br />U-Factor Area <br />0.029 379 <br />U-Factor Area <br />--- 0 <br />F-Factor Length <br />--- u <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 />47 <br />Envelope Heat Load 8,083 Btu ! Hour <br />Sum of ua X 4T <br />Air Leakage Heat Load 6,839 Btu / Hour <br />VolumeX 0.6XATX.018 <br />Building Design Heat Load 14,921 Btu / Hour <br />AirLeakage + Envehpe HeatLoss <br />Building and Duct Heat Load 14,921 Btu / Hour <br />Ducts in uncondilioned space: Sum of 8uilding Neat Loss X 7.10 <br />Ducts in condifioned space: Sum of Building Neat Loss X 1 <br />Maximum Heat Equipment Output 20,890 Btu / Hour <br />BuildMg and Duct Heat Lass X 1.40 /orForced AirFumace <br />Bui/d/ng and Duct Heat Loss X 7.25 for Heaf Pump <br />(07/01/13) <br />