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Simple Heating System Size: Washington 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 wiil be caiculated for you. If you do not see the selection you need in the drop-down options, please cali the WSU Energy Extension <br />Program at (360) 956-2042 for assistance. <br />Project Information Contact Information <br />Unit E3 Townhome Polygan Northwest <br />Silver Lake Townhomes Alaina Ro6ertson <br />Everett, Washin on (425) 606-0005 <br />HeB�lllQ SVStefTl T\Jp2: �Q 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 />•i>>��� � _�� �= - - - � Design Temperature Difference (OT) <br />Everett JC �� - OT = Indoor (70 degrees) - Outdoor Design Temp <br />� - - <br />Area of Building <br />Conditioned Floor Area <br />�nsY; uct;on: Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />!ns2ruct:o�,s Average Ceiling Height (ft) <br />Glazinq and Doors <br />insiri;ciions <br />Insulation <br />Attic <br />_ _. . <br />ir,structi�ns � ------_... ._ k <br />R-49 � <br />� _i_ <br />Single Rafter or Joist Vautted Ceilings <br />_ _ _ _ <br />Ins£ructions � '-` �- '"'�" """' '—' <br />I No VaWted Celun�s in this proJect ��`� <br />I :..._ �a $ � �.m> � . �-:r:�;�„ <br />Above Grade Walls �:� Frg�R r) <br />lnstructiorrs { �--�' -- k <br />` R27 �' � <br />�� -��� _ :�, <br />Floors <br />Instruc4ion; � ____ _. _,._ <br />R-30 � !, <br />�,.__ ��-��:.:�m- <br />Below Grade Waus rsK Fr9ore u V� <br />_ __ _ _ - __. <br />Instructinns i ._.___ _.__ ---- I <br />l No Belav Grade Walts In thls pro7ect � i <br />i � -� - - <br />Slab Below Grade �aK FrAure �i <br />Instrucfians _ - - -- --� <br />j ho Slab Befow Graae In this pro7ect � e � <br />Slab on Grade �sK F�nu2 n <br />;��siructions _......._.__.._._. __ __:___. .W_:.._.— <br />k R LO PBrirt�Ote! � r.. <br />- -- - - a .3.�^; � <br />Location of Ducts <br />lnstri�ci'satis _ _ . _ _ __._ ___. <br />t_.._- ---..___ __,�_ 4 . _ I <br />� Condinoned Space � <br />Fipure 1. <br />«'`�`"���_ <br />Above Grade <br />....- �.dr � - . <br />_ <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 />Area <br />� <br />Area <br />$28 <br />Area <br />379 <br />Area <br />0 <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 81 43.88 <br />Duct Leakage Coefficient <br />�.�0 <br />Sum of UA <br />171.97 <br />47 <br />Envelope Heat Load 8,083 Btu / Hour <br />Sum ol UA X 4T <br />Air Leakage Heat Load 6,839 Btu / Hour <br />ValumeX O.6X�TX.018 <br />Building Design Heat Load 14,921 Btu / Hour <br />AirLeakage + Envebpe HeatLoss <br />Building and Duct Heat Load 14,921 Btu / Hour <br />Ducts in uncondifionetl space: Sum of Building Heat Loss X 1.10 <br />Ducts in conditioned space: Sum of 8uilding Heat Loss X 1 <br />Maximum Heat Equipment Output 20,890 Btu I Hour <br />Bui/ding and Ouct Heat Loss X 1.40 (or Forced Air Fumace <br />Building and Duct Heat Lass X 125 for Heat Pump <br />� <br />(07/01/13) <br />