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Simple Heatina Svstem Size: Washinaton State <br />The glazing (window) and door portion of this calculator assumes the installed glazing 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 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 />some 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 />Program at (360) 956-2042 for assistance. <br />Projecf Information Confact Information <br />Unit El Townhome Polygon Northwest <br />Silver LakeTownhomes Alaina Robertson <br />Everett, Washin ton (425) 606-0005 <br />Heatinq System TVpe: O Fo«ed a� F�ma�e Q Heat Pump <br />To see detailed rnstructions for each section, place your cursor on the word "Instructions". <br />Desiqn Temperature <br />in,tr���t�or,s __.. _ _. _�_�_��.__W�. �__: _�.:�_, Design Temperature Difference (4T) <br />fEverett JC _ F;„;� pT = lndoor (70 degrees) - Ouldoor Desgn Temp <br />Area of Buildinq <br />Conditioned Floor Area <br />mstruct;ons Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />"'�'��'��t1O1� Average Ceiling Height (ft) <br />Glazinq and Doors <br />Instructions <br />Insulation <br />Attic <br />Irstructio�s "' — — <br />� R 9 �' � �� <br />_ _.-. ..�.. <br />_. •, <br />_. : _ _._. , _ , ... _. <br />Single Rafter or Joist Vaulted Ceilings <br />_ _ _.._. <br />Instructions � No VaNted CelhnQs In Utls proJCCt _ �� <br />- — �`��,� <br />Above Grade Wans �s« Frg�re �� <br />Instructions � — ----- �q� <br />R21 � <br />n <br />Floors <br />_ _ _____ __ _ _ _ __ _ <br />Instructions • ' <br />� ^; R"30 . — � � <br />_. _ <br />Below Grade Walls �se� Frgure �� <br />_ - - -- --- --- - <br />tnstrucfiio�is -- ----�--- <br />� No Delow Grade walls in trds pro)ect. <<,� <br />� � <br />Slab Below Grade rsee Finure T� <br />Irutrtictions � _ __.. - <br />No Slab Below Grade in this pro�ect �� l <br />- r ',t,;gi• <br />Slab on Grade �see FrQure n <br />Instructio�2s � . ..__ �....... _... _ _.:_...�._.:.._._.— <br />R-10 PenmBter � i <br />�. - ' I <br />Location of Ducts <br />h�shuctions _ _ _ -- I <br />I Condi[wned Space __ � � ; J <br />� r .� --- s•"Y <br />Fiqure 1. <br />� �. <br />, Abwe Grade <br />� <br />1,368 <br />Conditioned Volume <br />8.5 11,628 <br />U-Factor X Area = UA <br />0.30 181 54.42 <br />U-Factor X Area = UA <br />0.026 602 15.65 <br />U-Factor Area <br />-- � — <br />U-Factor Area <br />0.056 413 <br />U-Factor Area <br />0.029 345 <br />U-Factor Area <br />__ 0 <br />F-Factor Le� — <br />F-Factor Len th <br />0.540 66 <br />Duct Leakage Coefficient <br />1.00 <br />Sum of UA <br />UA <br />UA <br />23.13 <br />UA <br />10.01 <br />UA <br />UA <br />UA <br />35.64 <br />138.85 <br />47 <br />Envelope Heat Load 6,526 Btu / Hour <br />Som ol UA X �T <br />Air Leakage Heat Load 5,902 Btu / Hour <br />UolumeX O,6X�TX.018 <br />Building Design Heat Load 12,428 Btu ! Hour <br />Air LeaKage + Envelope Heat Loss � <br />Building and Duct Heat Load 12,428 Btu 1 Hour <br />Ducts in unconddioned space: Sum of Building Heat Loss X 1.10 <br />Ducts in condifioned space: Sum of Bmtding Neat Loss X i <br />Maximum Heat Equipment Output 17,399 Btu / Hour <br />Building and Duct Heal Loss X 1.40lor Forced AirFumace <br />Building and Ouct Heat Loss X 7.25 for Heat P�mp <br />P �` <br />(07/01/13J <br />