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Simple Heatinq Svstem Size: Washinqton State <br />The glazing (window) and door portion of this caiculator 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 />Flease fili out all of the green drop-downs and boxes that are applicable to your project. As you make seiections 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 />Pro'ecf Information Contact lnformation <br />Unit E3 Townhome Poiygon Northwest <br />Siiver Lake Townhomes Alaina Robertson <br />Everett, Washington (425) 60b-ODOS <br />Heatinq SVsterri l"vp�: O ForcedAir�umace � HeatPwnp <br />To see detailed instructions for each section, place your cursor on the word "Instructions". <br />Desiqn Temperature <br />inscr��ctions , . __ _ —. � Design Temperature Difference (OT) <br />F Everetl JC _ _ _�� dT =lndoor (70 degrees) - Outdoor Desgn Temp <br />t, -- <br />Area of Buildinq <br />Conditioned Floor Area <br />�"� �' °'=2iOi1 Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />lnstructions Average Ceiling Height (ft) <br />Glazinq and Doors <br />Instruciiens <br />Insulation <br />Attic <br />iostructiaas -- ----- ---�-`----_., _'— -�" �..>� <br />R�49 � - <br />� �," ,,;�:� _`e �,.A�- - �-:�-3:it�a <br />Single Rafter or Joist Vaulted Ceilings <br />Ins¢��ucticns -", "�' `� — <br />No Vaulted Ceilings ln this proJect �;:j <br />.,4. ..a��^'���� __�_;_i.- <br />Above Grade Walls (see F;yure t) � <br />Insirc�ctions .ti. .�:....� "_._.�.r��..Y.�: -.. .. . . _., .. <br />�� R-21 � : �,, � <br />^� <br />Floors <br />_ __ - - -_.. <br />It1SIPtICiI011$ Ip .`_. `. _"""."' ...` ..._.. ... "`"_ '"' �^. <br />t �. R-30 � l;:.(� <br />Below Grade Walls /S�Fin�re�) <br />_ _ <br />InsVuctions . -----�--- -- : � <br />' r;o tteiow G�ade Waus �n thls nro7ect. �' <br />...sx,.�r_...._u..�.� �....._..�...�_.. _..., r J <br />Y�� - . ��.�w. � . ..,.�_.v�. ...... <br />Slab Below Grade �5ee F;aure �) <br />Instructions No Slab Below Grede lO�IhIS proJe[L �A, ..1 <br />� - - -- J <br />Slab on Grade �see Frq�re n <br />_ <br />Instr�.:ctions � .__..__ . .:_.:�_:��.__---.�.....�--�-_..____._._:_�_ i <br />f k•i0 Perimeter �': <br />t - i <br />_ _ <br />Location of Ducts <br />➢rssaruccions �.�:... ..... .._._.. ...._..._ <br />--- � .—.�, ___ ._, 1 <br />� ; Cantlitloned Space � � ; <br />� <br />Ffaure 1. <br />� <br />A6ove Gnde <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.&4 <br />U-Pactor <br />U-Factor <br />0.056 <br />U-Factor <br />0.029 <br />U-Factor <br />F-Factor <br />F-Factor <br />0.540 <br />Sum of UA <br />Area WA <br />� <br />Area UA <br />528 29.57 <br />Area UA <br />379 10.99 <br />Area UA <br />� --- <br />Le� UA <br />Length UA <br />8'I 43.88 <br />Duct Leakage Coefficient <br />1.00 <br />171.97 <br />47 <br />Envelope Heat Load 8,083 Btu / Hour <br />Sum o( flA X dT <br />Air Leakage Heat Load 6,839 Biu / Hour <br />Va�meX o.6XeTX_ofa <br />Building Design Heat Load 14,921 etu / Hour <br />Air Leakage + ��ebpe Heat Loss <br />Building and Duct Heat Load 14,921 Btu / Hour <br />Ducts in unconditioned space: Sum of BUAding Neat Lass X 1.10 <br />Ducts in conditioned space: Sum ot Building Neat Loss X 9 <br />Maximum Heat Equipment Output 20,89D Btu / Hour <br />BWding and Ducf Heaf Lass X 1.40 for Forced Arr Furnace <br />Building end Duct Hea[ Loss X L25lor Heat Pump <br />� <br />(0 <br />