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HeatinQ Svstem Size: Washin <br />�• �� �� � <br />� �� <br />State <br />��,� � � � �~� <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 bythe 2012 WSEC. <br />Please fill out all of the green drop-do�Nns 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 ihe drop-down options, please call the WSU Energy Extension <br />Program at (360) 956-2042 for assistance. <br />Pro'ect Information Contact Information <br />Unit E1 Townhome Polygon Northwest <br />Silver Lake Townhomes Alaina Robertson <br />Everett, Washington (425)606-0005 <br />Heatinq SVstem Tvp�°: O Forced Air Furnace Q Heat Pump <br />To see detailed instructions for each secfion, place your cursor on the word "lnstructions". <br />Desiqn Temperature <br />ins�ruct�ons .:___ __.�____ __.._____ _____-_______:_ ._ 1 Design Temperature Difference (4T) <br />�� erett JC �, I pT = Indoor (70 degrees) - Outdoor Desgn Temp <br />Area of Buildinq <br />Conditioned Floor Area <br />�'�''�r"cti�'"' Conditioned Floo� Area (sq ft) <br />Average Ceiling Height <br />instructoons Average Ceiling Height (ft) <br />Glazinn and Doors <br />�ilSfl'LC41GttS <br />Insulation <br />Attic <br />_ _ __ _ _ _ __ .__.._._ <br />Ir.structions --- �—'-- <br />� R-49 --- - - `.. � <br />.. . . ..... .. <br />Single Rafter or Joist Vaulted Ceilings <br />___ _ . <br />instructions --- �----- <br />.• No Vaul[ed Ceflings In thls proje[t � ��� <br />�a—.,—,-._ ... . <br />Above Grade Walls �s�Ftyu�eT� <br />.._ <br />_. _ <br />Insfructions q_�,� --- -------�----�-� ����,� <br />I� R"21 L� � '�" <br />Floors _ _ <br />_. _. _ _ _ . __ _ _ ____.. _ .. <br />I�zstructions � ��-`= <br />� � R-30 --- �;. <br />d. t, , a <br />.. . ... . ... ..... _.. _ . ... _ <br />Below Grade Walls fs� F;a�re t7 <br />,,+v ,�: _ _ _— <br />� � � � - � Wo E3elow Grade bvalls in Uds proJeCL � !�, � <br />Slab Below Grade Is�F�cure �1 �� <br />_._. __.. <br />_ -- <br />Instructions � ��- ---- -- -,�� <br />No Slab Below Grade In thls project <br />�y-_.. , . _____.. <br />Slab on Grade �SaaF�ou�,� tJ <br />lt:sfructtons � .-_.�. _ ..__._.. .___..:_ "_�:.�_. __.�_ �_,� '� <br />, R-10 Perlmeter � ,, _ � <br />i..�;: � o.�–. <br />Location of Ducts <br />instructiors � - - _ -- <br />- ContllUoned Space � ` � <br />�;ti �°z� �.r � a � �' <br />Fiaure 1. <br />A6ove Grode <br />1,368 <br />Conditioned Volwme <br />8.5 11,628 <br />U-Factor X Area = UA <br />0.30 989 54.42 <br />U-Factor X Area – UA <br />0.026 602 15.65 <br />U-Factor <br />U-Factor <br />0.056 <br />U-Factor <br />0.029 <br />U-Factor <br />F-Factor <br />F-Factor <br />0.54D <br />Sum of UA <br />Area <br />� <br />Area <br />413 <br />Area <br />345 <br />Area <br />0 <br />te�l <br />Length <br />66 <br />Duct Leakage Coefficient <br />1.00 <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 />S�m of UA X �T <br />Air Leakage Heat Load 5,902 Btu / Hour <br />VolumeX 0.6X4TX.018 <br />Building Design Heat Load 12,428 Btu ! Hour <br />Alr Leekege + Envehpe Hest Lass ' <br />Building and Duct Heaf Load '` 12,428 Btu / Hour <br />Ducts in uncondffhnetl spece: Sum o1 Butiding Heat Loss X 1.10 <br />Ducts in condttioned space: Sum of Bullding Heaf Lass X 1 <br />Maximum Heat Equipment Output 17,399 Btu / Hour <br />Butiding and Ducf Heat Loss X 1.40 Ior Forced Atr Fumace <br />Buildirn� and Duct Heat Lass X 1.25 /or Heat Pump <br />(07/01/13) <br />