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Heatina Svstem Size: Washinaton State <br />he glazing (window) and door portion of this calculator assumes the installed glazing and door products have an area weighted average U-factor of <br />30. The incorporated insulation requirements are the minimum prescriptive amounts specified by the 2012 WSEC. <br />lease fill out all of the green drop-downs and boxes that are applicabie to your project. As you make selections in the drop-downs for each section, <br />�me values will be caiculated for you. If you do not see the selection you need in the drop-down options, please call the WSU Energy Extension <br />rogram at (360) 956-2042 for assistance. <br />Project Information Coniact lnformation <br />Unit E3 Townhome Polygon Northwest <br />Silver Lake Townhomes Alaina Rohertson <br />Everett, Wa<.�hin ton f425) 606-OODS <br />Heati�nq System Type: O Fo��d a� F�ma�e Q Heat Pump <br />To see detailed rnstrucfions for each section, place your cursor on the word "Instructions". <br />Desi n Temperature <br />, ��r�.c ,ions _ _. _.__: — — Design Temperature Difference (OT) <br />Everelt JC �... I �T = Indoor (70 degrees) - Outdoor Design Temp <br />__. .,,. __ ... <br />� _._.....�.,.._ .. '�...�..� ".d:.�,�,..� . <br />Area of Building <br />Conditioned Floor Area <br />'r�' F'': ="DT` Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />'�����"'=t'�"= Average Ceiling Height (ft) <br />Glazinq and Doors <br />�ns?ructions <br />Insulation <br />Attic <br />i,;s,€ucticr�s R-49 __ _ _._r --� � <br />;�,� �:- - . � <br />Single Rafter or Joist Vaulted Ceilfngs <br />_ __._ _._. _. <br />�s`.-u^i;�rs ---_ _ ._._. _..._._..._._.._._.,_, � <br />No Vaulted Cellings In this proje[t. �:. <br />t - - - <br />Above Grade Walls �s�e Figr.re» <br />Inst, ucticrs - - - — <br />Rz� -- =J <br />� <br />Floors <br />- _... _ <br />,;st; uctior:s - — . ` <br />� R-30 � � �� � � <br />�..���..._.,. J <br />Below Grade Walls �5ee Figu.e �� <br />_ _ ___._..__ <br />,,,�_,11Cz,o,,, _ _ _ _ __.___ — � <br />{ �o Below Gratle Walls m thls pro�2ct. � <br />Slab Below Grade rare FrQ�re n <br />_ _.__ ____.--- <br />".r:straicEic�ns . _.. � . <br />No Slab 6elow Gratle in this pro)ett �� <br />� . - -r.�:,:�,.�..� . <br />Slab on Grade �see F�aore n <br />!�:s��.,s���ns ; _::__......_:_-...._..._.._._.....__.._.._....:._____..:—.._.._= ! <br />R-10 Perimeter �'. � <br />� � ^� 9 <br />Location of Ducts <br />s�;�t�..��t��r,� _ <br />_ _ _ _ <br />Conddioned Space � <br />'``� �,�,:c..s ��- ��;;- ,:� .�� I <br />.J <br />Fiqure 1. <br />f-�.,� <br />r, <br />�' Above Grade I <br />� BelowGrade � - � -�-� <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 />0.02fi 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 />F-Factor <br />0.540 <br />Sum of UA <br />Area <br />� <br />Area <br />528 <br />Area <br />379 <br />Area <br />0 <br />Le� <br />Len th <br />81 <br />Duct Leakage Coefficient <br />1.00 <br />UA <br />UA <br />29.57 <br />UA <br />10.99 <br />UA <br />UA <br />UA <br />43.88 <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 />vo/umeX 0.6X�TX.018 <br />Building Design Heat Load 14,921 Btu / Hour <br />AIr Leakage + Envelope Heat Loss <br />Building and Duct Heat Load 14,921 Btu / Hour <br />Ducls in uncondih'oned spece: Sum of Huilding Neat Loss X 1.10 <br />Ducts in conditioned space: Sum of 8uilding Heat Loss X 1 <br />Maximum Heat Equipment Output 20,890 Btu / Hour <br />Building and Duct Neat Loss X i.40 /or Forced Air Fumace <br />Suilding and Duct Heat Loss X 1.25 for Heat Pump <br />� <br />� <br />(07/01/13J <br />