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le Heatina 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 2012 WSEC. <br />Please fill out ail 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 />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 />Project Information Contacf lnformafion <br />Unit E3 Townhome Polygon Northwest <br />Silver Lake Townhomes Alaina Robertson <br />Everett, Washin ton (425} 606-0005 <br />Heati nq Svstem Type: O Forced Nr Fumace Q Heat Pump <br />To see detailed instrucfions for each section, place your cursor on the word "lnstructions". <br />Desiqn Temperature <br />��'`���"'���6i'� - --------- ------ j Design Temperature Difference (4T) <br />Ev2re[t JC � � pT = Indoor (70 degrees) - Outdoor Design Temp <br />..� a _ �._.�,. <br />Area of Buildinq <br />Conditioned Floor Area <br />;�,scructions Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />1°,si' �;�=�'°"� Average Ceiling Height (ft) <br />Glazinq and Doors <br />Enstructio:�s <br />Insulation <br />Attic <br />. _ _.. _.___ _ <br />ins_,tn�cfioris R a9 � �I <br />� .:i�_"N.,.. �� J <br />Single Rafter or Joist Vaulted Ceilings <br />_ __ __. _ <br />iric,�..etions _ __ __.�..__.�_,��._ � 1 <br />N� , o Vaul[ed Celhn9s In thls proje[t. �; <br />py�, <br />Above Grade Walls �SeeFr9ure» <br />In>tn3ciio�is � __ -- --_"'v___ — � <br />�.�::.:. _ <br />Floors <br />Instructions -- _ ______ _ �.,__ ...t � m.— � <br />� R 30 + <br />E:,��.�_ W <br />Below Grade Waus �s�F�eu�e�J <br />_ _ __ _ _ . . _..----._. <br />Insfruc,icns , . _ _ _ _ __ -- ---,. � <br />No Below Grade V' atls in this pro�ect. + <br />� --- --- -- — — — <br />�...w <br />Slab Below Grade rbee Fr4�re u <br />Ir�siruciiens _ _ _ � . I <br />�fao Slab 6elo�� Grade m this pro�ect I <br />_-,.�. :_ _ J <br />Slab on Grade �see Fia�.e �� <br />?tr;tru!:iior�s _ _ __.. —. I <br />�R-10Perimeter y �; + <br />l - ,............._ � - J <br />Location of Ducts <br />i��s�� �,,����,,s <br />I , Condluoned Space _ , , �. �: . I <br />.__,. �, ...� _ - - ._. _.. J <br />Fiqure 1. <br />.��''"'� <br />��, Above Grade <br />. Bebw Grade �, . ......_. . __._,_._ _. <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 Area <br />-- 0 <br />U-Factor Area <br />0.056 S2$ <br />U-Factor Area <br />0.029 379 <br />U-Factor Area <br />--- 0 <br />F-Factor Le� <br />UA <br />UA <br />29.57 <br />UA <br />10.99 <br />UA <br />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 ol UA X AT <br />Air Leakage Heat Load 6,839 Btu / Hour <br />VolumeX O.6XOTX.018 <br />Building Design Heat Load 14,921 Btu / Hour <br />Alr Leakage + Envelope Heat Loss <br />Building and Duct Neat Load 14,921 Btu / Hour <br />Ducts in unca�ditioned space: Sum of Buddrng Hea! Loss X 1.10 <br />Ducts in condilioned space: Sum of Bui/ding Heat Loss X 1 <br />Maximum Heat Equipment Output 20,890 Btu / Hour <br />Building and Duct Neaf Loss X 1.40 for Forced Air Fumace <br />Building and Duct Heat Loss X 125 for Heat Pump <br />(07/01/13f <br />