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Simple Heatinq Svstem Size: Washington 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 prescripfive amounts specified by the 2012 WSEC. <br />Please 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 />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 />Projecf Informafron Contact Informatron <br />Unit E3 Townhome Polygan Northwest <br />Silver Lake Townhomes Alaina Robertson <br />Everett, Washin ton (425} 606-0005 <br />Heatinq Svstem TVpe: O Fo��e� a� F���a�e Q Heat Pump <br />To see detailed instructions for each secfion, place your cursor on the word "Instrucfions". <br />Desiqn Temperature <br />in,t,�;,:t�o,�:= __._ _ : .._. —, I Design Temperature Difference (�T) <br />�EveretUC . . . .. � .. + <br />.. . __. - .,:,. _ A . . . �.� 4T = Indoor (70 degreesJ - Outdoor Desrgn 'femp <br />Area of Building <br />Conditioned Floor Area <br />�„'°' "�t;Oi7� Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />E�,sYr�,�t�o,,� Average Ceiling Height (ft) <br />Glazinq and Doors <br />�ns±ructic,s <br />Insulation <br />Attic <br />�nstnscf;oi,s � . .---- -------_._.�___. .. .__.._ __. { <br />R-49 . . _ � k���I <br />� _ <br />Single Rafter or Joist Vaulted Ceilings <br />instructlon> � -- ._._ - . — - <br />No vaulted Celi�n9s In this proJect V�� <br />Above Grade Walls �s�e Fi9ure �� <br />Instructions _ ___ __..__ __...__.__.._ I <br />R21 �j <br />�,,._�.<. - <br />Floors <br />_ _ _.._ _.___ __ <br />Instructioiu --- ' - ------ I <br />{ R30 �I <br />`,,,s,::._ _ ;� <br />Below Grade Walls �See F�gure» <br />;nstriicticns — ____ _� _ <br />C t�o Oelo�v Grade Walls m lhls pro�ect. � � <br />�.G:..�.. _� <br />Slab Below Grade rsee Fra�re ri <br />lnstruciions _ _ - _ ...._�. _--- <br />� ho Slab Below Grade In this pro�ec[. _ �� <br />Slab on Grade �see Froure r� <br />1��struciions � --- ____. __ _.__..a�z� � <br />R 10 Penmeter � % <br />` ;. ..d <br />Location of Ducts <br />inser��ctions �...:. _.:_ _ <br />Condl[ioned Space � G �I <br />� � ...v _ a�d <br />Fiqure 1. <br />.,�,:,., . <br />iAbove Grade ��� <br />�� 6elow GrBde - � � <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 />� --- <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 ot UA X �T <br />Air Leakage Heat Load 6,839 Btu / Hour <br />VolumeX O.6XOTX.018 <br />Building Design Heat Load 14,921 Btu / Hour <br />N�r Leakage + Envelope Heat Loss <br />Building and Duct Heat Load 14,921 Btu / Hour <br />Ducls in uncondifioned space: Sum of Building Heat Loss X 1.10 <br />Oucts in conditioned space: Sum of Building Heat Loss X 1 <br />Maximum Heat Equipment Output 20,890 Btu / Hour <br />Building and Duct Heat Loss X 1.40 (or Foiced Air Furnace <br />Building and Duct Heat Loss X 1.25 for Heat Pump <br />(07/01/13) <br />