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Heating System Size: Washington State <br />The glazing (window) and door portion of this caiculator assumes the installed glazing and door products have an area weighted average U-factor of <br />0.30. The incorporated insulation requirements are tne minimum prescriptive amounts specified by the 2012'JVSEC. <br />Please fiil out all of the green drop-downs and boxes that are applicable to your project. As you make selectioins 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, piease call the WSU Energy Extension <br />Program at (360) 956-2042 for assistance. <br />Projecf lnformation Contact Information <br />Unit E3 Townhome Polygon Northwest <br />Silver Lake Townhomes Alaina Ro6ertson <br />Everett, Washin ton (425} 606-OOdS <br />Heatinq SVstem TVpe: O Fo«ed wr F���a�e Q Heat Pump <br />To see detailed instructions for each section, place your cursor on the word "Instrucfions". <br />Desiqn Temperature <br />!,,,rr�:�t;o;,> _ . _ — 1 Design Temperature �ifference (4T) <br />Evere[t JC ��, J OT = Indoor (70 degrees) - Ouldoor Design Temp <br />� _.� _'-ia --�:.:,:n�+.xe, ...,.::��cv ... <br />Area of Buildinq <br />Conditioned Floor Area <br />�nsc; �:; t.o�,s Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />€nstr�:a:on5 Average Ceiling Height (ft) <br />Glazing and Doors <br />i nstr:.cti cns <br />Insulation <br />Attic <br />97struciicns � <br />t R-49 � <br />�` ' s� a.,. eiza z.,.,._ ;��� ��,.�_ ..,F, <br />Single Rafter or Joist Vaulted Ceilings <br />_ _ ___ <br />�„yt�u�t;ans � _..� . ___ __.. <br />No Vaulted Cellinqs in this pro�ect •�>. <br />l—... . '__ __ .. _...- ......vt �. <br />Above Grade Walls �s� Frgure �/ <br />!nstruct;ons t - - --------- <br />� R21 �� <br />.�. � _..;,�� <br />Floors <br />_ _ _. _ _ <br />InstrucYio��s i ....__.__._...J�,:Y..��... I <br />� R-30 � ; <br />�4.:.-:__: - :—::--�-�.�--.,_...,.. . <br />.... . ............ ... ... . . . .. <br />Below Grade Walls r=K FrguR �� <br />I�structans f — - — - <br />( No 6elow Grade walls in thls pro�ett �: <br />,�� _: �. l <br />Slab Below Grade rs« Fiaure r� <br />InstrucLons _ -._ - � I <br />d Ro Slab Below Grade In this pro�ecC � t 51 <br />°� <br />Slab on Grade �:K Finure n <br />1�3structioals � - - - � -� <br />R 10 Penmeter �' `:� <br />�.� <br />Location of Ducts <br />I1lskruciions ` _ <br />� CondiUonetl Space � = <br />g . � .,..��i � g .. �� I <br />..� <br />.,.���= _ .,�,.a.� ._�_ - <br />Fiqure 1. <br />o./���"�� <br />Abwe Gnde <br />. ' .__...., <br />-i <br />1,585 <br />Conditioned Volume <br />8.5 13,473 <br />U-Factor X AUea = UA <br />0.30 �69 80.70 <br />U-Factor X AJea = UA <br />0.026 C:63 6.84 <br />U-Factor F�rea <br />- C� <br />U-Factor F�rea <br />a.oss ��2s <br />U-Factor ��rea <br />0.029 Ct79 <br />U-Factor ��rea <br />- C� <br />F-Factor Le�n� <br />C <br />UA <br />UA <br />29.57 <br />UA <br />10.99 <br />UA <br />UA <br />F-Factor Le�n th UA <br />0.540 61 43.88 <br />Du�t 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 4T <br />Air Leakage Heat Load 6,839 Btu / Hour <br />vorumex o.sxorx.ora <br />Building Design Heat Load 14,921 Btu / Hour <br />Ai� Leakage + Enve/ope Heaf Lass <br />Building and Duct Heat Loaci 14,921 Btu / Hour <br />Ducts in unconddioned space: Sum of Building Heat Lass X 1.10 <br />Oucts in condilioned space: Sum ot 8uilding Heat Loss X 1 <br />Maximum Heat Equipment Output 20,890 Btu ! Hour <br />8uilding and Duct Heaf Loss X i.40 for Forced Arr Fumace <br />Building and Duct Heaf Lass X 1.25 /or Heat Pump <br />� <br />(07/01/13J <br />