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e Heatinq 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 20t2 WSEC. <br />Please fill out all of the green drop-downs and boxes that are appiicabie to your project. As you make selections in the drop-downs for each section, <br />some values wili 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 />Project Informafion Contact lnformation <br />Unit E3 Townhome Polygon Northwest <br />5ilver LakeTownhomes Alaina Ro6ertson <br />Everett, Washin #on (425) 606-0005 <br />Heating System Type: O Fo��ea a� F�ma�e Q Heat Pump <br />To see detailed rnsbuctions for each section, place your cursor on the word "Instructions". <br />Design Temperature <br />`"��� "� i1O1s Design Temperature Difference (�T) <br />, Everett JC �' �T = Indoor (70 deg�ees) - Outdoor Design Temp <br />i,.....�_:...___._. - '�rR��_ <br />Area of Buildinq <br />Conditioned Floor Area <br />'""�� "�110"=� Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />��,�,rd,�tic3� : Average Ceiling Height (ft) <br />Glazinq and Doors <br />Instructions <br />Insulation <br />Attic <br />_ __. __ _ _ _ <br />I�,struciicns - - - � <br />� A-49 � <br />�� ,..:1 '"�:�, -:.� �::.;_ , 'r�L�S;'*�'�..'� <br />Single Rafter or Joist Vaulted Ceilings <br />liis,ructionc � — � , <br />M10 Vaulted Cellings In this pro)ect �: <br />�t�.����..H .�, .`r'� �. �:u� <br />Above Grade Wans �s�e Fie�re i� <br />liistrur.iicns --- .. _----_..� .__.__���_�--- -- <br />R-ZS �� <br />� . <br />_. . _ _ <br />Floors <br />__ _ __ __ _ <br />Insi� uctions � . _ --- _ ___� -� ` <br />�� . ,. R30 � �4,� � <br />� �.. _...,na..i;u-__-. , . ... . <br />Below Grade Walls �:� Fi9��e a� <br />_ _ _.._. . .. _ __ __ .___.____.. <br />In=iructio„s ___ _... __.__---- <br />+ No Below Grade Walls in thls pro�ect � <br />�, , w-.S"'a�;.��'t:w,a:A+. <br />Slab Below Grade ra� Fia�re n <br />insfrcictiei,_ - _ - ,;y l <br />E� teo Slab 6elow Grade in this projett _ � <br />.� ��-:-_ J <br />Slab on Grade �see F�vure» <br />Iv,sirue.iibns - — - — --� -- — � <br />4 R-30 PenmBter � <br />�-t.�..._.,�sy �� t - � e�> <br />Location of Ducts <br />ettSiit(CilGit� � .. .... <br />ConoiUoned Space � <br />�� - '"�W� <br />Fiqure 1. <br />, `� ���`'� <br />,-- <br />Above Grade , <br />„,:. <br />BelowGrade'a;y .. -... <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 UA <br />� <br />Area UA <br />528 29.57 <br />Area UA <br />379 10.99 <br />Area UA <br />0 ` <br />Le� UA <br />F-Factor Len th UA <br />0.540 81 43.88 <br />Duct Leakage Coefficient <br />1.00 <br />Sum of UA <br />171.97 <br />47 <br />Envelope Heat Load 8,083 Btu / Hour <br />Sum o( UA X �T <br />Air Leakage Heat Load 6,839 Btu / Hour <br />Va/umeX O.6X�TX.018 <br />Building Design Neat Load 14,921 Btu / Hour <br />Ai� Leakage + Envelope Heaf Loss <br />Building and Duct Heat Load 14,921 Btu / Hour <br />Ducts in uncondih�oned space: Sum of 8uilding Heat Loss X 1.10 <br />Ducts in conditioned space: Sum of Building Heat Loss X 1 <br />Maximum Heat Equipment Output 20,890 Btu / Hour <br />Building and Duct Neal Loss X i.40 !or Forced A!r Furnace <br />Building and Duct Heat Loss X 1.251or Heat Pump <br />� <br />(07/01/13J <br />