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� <br />Heating System Size: Washinqton State <br />he glavng (window) and door portion of this calculator assumes the installed glazing and door products have an area weighted average U-factor of <br />30. The incorporated insulation requirements are the minimum prescriptive amounts specified by the 2012 WSEC. <br />lease 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 />�me 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 />rogram at (360) 956-2042 for assistance. <br />Projecf Information Contact Information <br />Unit E3 Townhome Polygon Northwest <br />Silver Lake Townhomes Alaina Rober[son <br />Everett, Washin ton (425) 606-OODS <br />H@at111C� Sv$tBlll Tjlp@: O Forced Air Fumace Q Heat Pump <br />To see detailed instructions for each section, place your cursor on the word "Instructions". <br />Desiqn Temperature <br />'"�'' "r�1Q�'S - --- - — � Design Temperature Difference (4T) <br />Everelt JC � AT = lndoor (70 degrees) - Ouldoor Design Temp <br />_ .. ... . ... _ . <br />Y. ..., x�. �+ts �� �;.,...�_.... _. <br />Area of Buildinp <br />Conditioned Floor Area <br />irs2risctions Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />"„�� "�f1O�'� Average Ceiling Height (ft) <br />Glazinq and Doors <br />Instructions <br />Insulation <br />Attic <br />insiructic�ns ___ _----___ _------ — I <br />R-49 � ' � <br />�� <br />Single Rafter or Joist Vaulted Ceilings <br />_ ___ ___ __. __ _ <br />hi>tri�ct;ors ----- <br />No Vaulred Celhnps In this proJect. �� <br />k - <br />Above Grade Walls �see Fiyure �� <br />btstructicns — -- � — � <br />R 21 � <br />� —,.t ��� . . M�~- <br />Floors <br />_ _ ._._ ___. <br />;nstr��ctc�s –_ - � <br />� ♦R30 � <br />Be�ow Grade Walls rsee F�gure» * <br />Insiruci;o;,s _ _ _ - _ j <br />�o Below Gratle Walls m this pro�ec[. � <br />i - —�� -- _- � <br />Slab Below Grade rsee Fiaure a <br />:n,ir�tctic��s �-- �� � � <br />No Slab (i21ow Grade in this pro�ect. � <br />—�sM �m <br />Slab on Grade �see Fia�re n <br />nr_,tn.�c4ions _ _ ._ . ....._..___ . ___._ _. -- j <br />� R-10 Penmeter — M J <br />Location of Ducts <br />Insiructio,s _ <br />� conaiUoned Space � -- . ... .... '..4 I <br />�.�._...�_...... -- - — .._..�,_M�M.. J <br />Fi ure 1. <br />Above Grade � <br />_ <br />� � Below Grade I� ...... . ....._.- ... <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 />F-Factor <br />0.540 <br />Sum of UA <br />Area <br />� <br />Area <br />528 <br />Area <br />379 <br />Area <br />0 <br />Le� <br />Len th <br />81 <br />Duct Leakage Coefficient <br />1.00 <br />UA <br />UA <br />29.57 <br />UA <br />10.99 <br />UA <br />UA <br />UA <br />43.88 <br />171.97 <br />47 <br />Envelope Heat Load 8,083 Btu / Hour <br />sum o� ua x nr <br />Air Leakage Heat Load 6,839 Btu / Hour <br />ValumeX 0.6X�TX.018 <br />Building Design Heat Load 14,921 Btu / Hour <br />Air Leakage + Envelope Heaf Loss <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 Building Heat Loss X i <br />Maximum Heat Equipment Output 20,890 Btu / Hour <br />Building and Duct Heat Loss X 1.40 for Forced ArrFumace N i <br />Building and Duct Neat Loss X i.25 for Heat Pump ((( <br />I 4 �� � <br />(07/01/13) <br />