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Heatin4 Svstem Size: Washinaton State <br />This cal,c�dator v,�ili c�lculate heatin�c_loads onlv. ACCA nroredi.ires for sizinq coolinq svstems shouid be i.ised to determine coolinc� <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 requiremenfs are ihe 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 wiii be calculated for you. �f you do not see the selection you need in the drop-down options, please cali the WSU Energy Extension <br />�ram at (360) 956-2042 for assistance. <br />Projecf lnformation Contact lnformatron <br />Unit E3 Townhome Polygon iVorthwest <br />Silver Lake Townhomes Alaina Robertson <br />Everett, Washin ton j425) 606-DDOS <br />Heating System iVpe: O Fo��d a� F��ra�e Q Heat Pump <br />To see defailed instructions foreach section, place yourcursoron fhe word "lnstructions". <br />Design Temperature <br />�°'=�� �'CiiO1� --- ----------�-- Design Temperature Difference (4T) <br />Evelett JC �� � DT = Indoor (70 degrees) - Oufdoor Oesign Temp <br />�: y�"k�=...a , <br />Area of Buildinq <br />Conditioned Floor Area <br />°�'t� "�t'o��� Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />s">�' uc¢'�"5 Average Ceiling Height (ft) <br />Glazing and Doors <br />Insulation <br />Attic <br />i�strL�c�icns -.__ _._ � �,.. <br />� R.49 . . .. .. .�� �� <br />Single Rafter or Joist Vaulted Ceilings <br />_ _ __. <br />_ _ �, , <br />� ,::: .;;;-. _ <br />� No Vaulted Cei6nps in this ProJect. �� 4 <br />Emx,��'.'- T �'s"'� <br />Above Grade Walls �SK FieuR �� r <br />dnstructions ------- --�-- � <br />.R23 �'v� <br />i <br />Floors <br />instructions ,-.-_-_._��.�,_ ..._� -- � <br />� ; R-30 � : <br />� <br />Below Grade Walts �sK FrHurc n <br />_ ___ _ _ _. . . _.__.__r_ <br />lnstructicros F - __ __ __ __.___ <br />qo 6?bw Gra4B W8115 m thls pro�ect. � <br />` - r- -�-�.r . <br />�; <br />.�.,.._a- - __--__�+•� <br />i. .,:_ —�::: _ y�� -__ _ <br />Slab Below Grade ra« Fra�rc u <br />_ _ .__. <br />Insin�citon� ..._:_... . _... _ ._ . .._._.. ,____:'- --�--�--r � <br />C ho Slab Below Grade In this pro�ect T 6- <br />s, _" _ � ,._�o.:,,-�� . <br />_�. , <br />Slab on Grade �aee F�oure �� <br />instructions -___ _ _.:.: _.__.__. . ._.:_.__.� .:-_.:_— ` <br />l R 10 Perimeter '� ;�,� <br />� s--�����a<z-��� �:� <br />Location of Ducts <br />�115fftICFiD725 ' � � <br />` Conditioned Space �� <br />� - � <br />Fiqure 1. <br />� <br />-n" °�..,. <br />- _..-.. ..- \ <br />I <br />���, Abovc Grade ��.� <br />.__ 8elowGrade ' '�--........-.._-..,... <br />1,585 <br />Conditioned Volume <br />8.5 13,473 <br />U-Factor X Area = UA <br />o.�o _���� ao.�o <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 <br />� <br />Area <br />528 <br />Area <br />379 <br />Area <br />� <br />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 of UA X �T <br />Air Leakage Heat Load 6,839 Btu / Hour <br />Volume X O, 6 X �T X.018 <br />Building Design Heat Load 14,921 Btu / Hour <br />Arrteakage + Envebpe HeatLoss <br />Building and Duct Heat Load 14,921 Btu ! Hour <br />Ducts in unconditioned space: Sum ol8uilding Heat Loss X 1.10 <br />Ducts in conditioned space: Sum of BuJding Heat Loss X 1 <br />Mauimum Heat Equipment Output 20,890 Btu / Hour <br />Building and Duct Heat Loss X 1.40 (or Fo�ced Air Fumace <br />Building and Duct Heat Loss X 1.25 /or Heaf Pump <br />