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Heatina Svstem Size: Washinaton State <br />The glazing (window) and door portion of this calculator assumes the installed giazing 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 ail 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 />some values will be calculated for you. 11' 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 lnformafion Contact Information <br />Unit E3 Townhome Polygon Northwest <br />Siiver LakeTownhomes Alaina Ro6ertson <br />Everett, Washin ton (425) b06-D005 <br />H@8tI11Q S\1St@Ill Tv�JB: �O Forced Air Fumace Q Heat Pump <br />To see detarled instructions for each section, place your cursor on the word "lnstructions". <br />Desiqn Temperature <br />!ns4ructians _ _ <br />, _...... �.______ _..y_..._ : .._._ _._.�._— � Design Temperature Difference (�T) <br />Evere'tt )C � � <br />_.__.. . ._- _.. . ._ , . ,,,,.,..,.,�.„...: � �T =lndoor (70 degrees) - Outdoor Design Temp <br />�,-,.. n�.., �. ..� .. . <br />Area of Buildinq <br />Conditioned Floor Area <br />67ser��t�o��_ Conditioned FloorArea (sq ft) <br />Average Ceiling Height <br />:nser�,���0�,5 Average Ceiling Height (ft) <br />Glazinq and Doors <br />inst� uctians <br />Insulation <br />Attic <br />lnstrt:c#ion. : -- .� � � � .� � <br />6 R-49 ' � <br />�.:w:;.-.-�r--� --- — ....�,,� <br />Single Rafter or Joist V�iulted Ceilings <br />_. -- _ ..__ _._. <br />tnstructions -" -- ' - — <br />k No V wlted C�Illnfls In this proJeCt. � <br />EaLi �.».._.ssi3��: sr �Ys�....�� <br />%�70Ve ia�8d0 w811S (see Flgure 1J � <br />lnstructions f --- <br />f� _ R-21 n,� � + <br />Floors <br />_ _ _ __. .._.._.. _.. . . _ <br />Instructions � _— _ <br />��� � �:� <br />. <br />��.� <br />Below Grade Walls �see Fi9��e �1 <br />_ _____ ___.___ __._ _ _ _ <br />�RS{(UCfl6i15 � ._.... ..._.__. ..._._.._..._._.......... _..._.....__ <br />� No Beiow Grade Walls in thls projecc � R. :, <br />6� ^�.„J <br />Slab Below Grade rsee F�a,��e �i <br />_ __ . <br />insiruciioais __. . --. .-.-_ -v.�_ �.�.� � <br />No SI �b Qelow Grade in this project. � f.� <br />t�,_,,;.,�;,,, , - - ,:-- ,,. . <br />.. . � __�� <br />Slab on Grade �see Fro�re n <br />liisiruciions -- _ -'=. _- � � . �°— � <br />R-t0 Ferimeter � <br />4.o.:s::a:''�s <br />�� <br />Location of Ducts <br />lastnictfo�s _ _ <br />� Conaitioned Space � <br />- � <br />Ffqure 1. <br />,�,�>,',,,a� <br />- _ __ , <br />Above Grade , <br />. . . -� ....,.. . . _ .. _. _. <br />.. . Below 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 />o.o2s 2s3 6.84 <br />U-Factor <br />U-Factor <br />0.056 <br />U-Factor <br />0.029 <br />U-Factor <br />F-Factor <br />Area <br />� <br />Area <br />528 <br />Area <br />379 <br />Area <br />� <br />Le� <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 $1 43.88 <br />Duct Leakage Coefficient <br />1.00 <br />Sum of UA 171.97 <br />47 <br />Envelope Heat Load 8,083 Btu / Hour <br />Sum of UA X �T <br />Air Leakage Heat Load 6,839 Btu / Hour <br />VolumeX 0.6XeTX.018 <br />Building Design Heat Load 14,921 Btu / Hour <br />Air Leakage + Envebpe Heal Loss <br />Building and Duct Heat Load 14,921 Btu / Hour <br />Ducts in uncondilioned space: Sum of Budding Heat Loss X 1.10 <br />Oucts in conditioned space: Sum ol8uild/ng Heat Loss X i <br />Maximum Heat Equipment Output 20,890 Btu / Hour <br />Building and Duct Heat Loss X 1.40 /or Fo�ced Air Furnace <br />Building and Duct Heat Loss X 1.25 for Heaf Pump <br />� <br />(07/01/13) <br />