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Heatina Svstem Size: Washinaton State <br />glazing (window) and door portion of this calculator assumes the installed glazing and door products have an area weighted average U-factor of <br />. The incorporated insulation requirements are the minimum prescriptive amounts specified by the 2012 WSEC. <br />se 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 />e 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 />�ram at (360) 956-2042 for assistance. <br />Projecf Informatron Contact Information <br />Unit El Townhome Polygan Northwest <br />Siiver Lake Tawnhomes Alaina Robertson <br />Everett, Washington (425)6U6-0005 <br />H@atlflC� SySt@Ill Typ@: OO Forced Air Fumace Q Heat Pump <br />To see detailed instructions for each section, place your cursor on the word '7nsfructions". <br />Desiqn Temperature <br />anstr�,ct;t,�,3 —.- — Design Temperature Difference (OT) <br />F� r aT = fidoor 70 de rees Outdoor Desi n Tem <br />� Evere[t ]C _ �� - � � ( g J - 8 P <br />���_ z <br />Area of Buildinq <br />Conditioned Floor Area <br />Instrucfionc Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />inseructions Average Ceiling Height (ft) <br />Glazinq and Doors <br />Instructions <br />Insulation <br />Attic <br />_ . _ _ _ __ _ <br />instructiot�s � R.q9 � : I <br />:,,�.�,e.'.:::',c�ss.t J <br />Single Rafter or Joist Vaulted Ceilings <br />instructioris �- ��� � �,t'l <br />� No Vaulted Ccllinqs In thl� t ,_ j <br />_ ...a„ <br />..x. . , .,.. �..x , b <br />. .. .. .. . ..... .. _. <br />Above Grade Walls �s� Fiyore �� <br />Instructicns � - <br />R 21 �� <br />– . ,,.� <br />. <br />���,- _. <br />Floors _ . _ <br />Instructions <br />� � R-30 � � =� <br />� -- <br />Below Grade Walls �see Frgure �i <br />instrucfions ( --- - ---- - <br />p. No 8elow Grade Walls in this proJect ��, <br />� <br />�+ � = 4�. <br />�. _. ,. _. .. .. �. � . <br />Slab Below Grade raee F�A�.e �� <br />Instructfans � - - - ---- --.-- —� <br />No Sldb BelOw Gre00 In IhIS pro)eCt. ��;) <br />y. �� <br />__ _ _ <br />Slab on Grade �see F�nure n <br />lnstruct3ons __.: ..W;.._:: ,..,:�; ._.:�w> ....___`... <br />� R-tOPenmeter �; ;I <br />� ::� <br />Location of Ducts <br />���,a«,� <<c�s _ _ _ _ .l <br />Condltloned Svace �; <br />� a..ru�s-�--�' � - �ii""'�`�`+�7. '*,,. <br />Fiqure 1. <br />�� <br />, Abwe Grade <br />1,366 <br />Conditioned Volume <br />8.5 11,628 <br />U-Factor X Area = UA <br />0.30 181 54.42 <br />U-Factor X Area = UA <br />0.026 6�2 15.65 <br />U-Factor <br />U-Factor <br />0.�56 <br />U-Factor <br />0.029 <br />U-Factor <br />F-Factor <br />F-Factor <br />0.540 <br />Sum of UA <br />Area UA <br />� <br />Area UA <br />413 23.13 <br />Area UA <br />345 10.01 <br />Area UA <br />� -- <br />Length UA <br />� <br />Len th UA <br />66 35.64 <br />Duct Leakage Coefficient <br />1.00 <br />138.85 <br />47 <br />Envelope Heat Load 6,526 Btu / Hour <br />Sum a/ UA X �T <br />Air Leakage Heat Load 5,902 Btu! Hour <br />Vo/umeX 0.6X4TX.018 <br />Building Design Heat Load 12,428 Btu / Hour <br />Air LeaNage + Envelope Heat Loss � <br />Building and Duct Heat Load 12,428 Btu / Hour <br />Ducts in uncondrfioned space: Sum of Building Heat Loss X 1.10 <br />Ducts in conditioned space: Sum of BuAding Heat Loss X i <br />Maximum Heat Equipment Output 17,399 etu / Hour <br />Building and Duct Heat Loss X 1.40 (or Forced Air Fumace <br />Building and Duct Neat Loss X 1.25 for Heat Pump <br />d <br />(07/01/13J <br />