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y� p��x, btd�3 4,i,to/ IZ � tV <br />Simple Heating System Size: Washinqton State <br />The giazing (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 />Piease fiil 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 Informafion Contaci Information <br />Unit Ei Townhome Polygon NorChwest <br />Silver lake Townhomes Alaina Ro6ertson <br />Everett, Washin ton (425) 606-OQOS <br />H@8illlQ SySt@fTl TVpe: OO Forced Air Fumace Q Heat PumP <br />To see detailed instructions for each section, p/ace your cursor on the wo�d "Insfructions". <br />Desiqn Temperature <br />,,�st� ��<<;s>,:> � Design Temperature Difference (OT) <br />Everett ]C � � F �T = Indoor (70 degrees) - Outdoor Design Temp <br />�� <br />Area of Buildinq <br />Conditioned FloorArea <br />";=t''"="�"` Conditioned FloorArea (sq ft) <br />Average Ceiling Height <br />snst; "��'�"� Average Ceiling Height (ft) <br />Giazinq and Doors <br />snstruetions <br />Insulation <br />Attic <br />_ <br />,nstrcci,a;�s _. ._ <br />� R-49 � f�� <br />� _� �..°� �� �-� ,m.�.v <br />Singie Rafter or Joist Vaulted Ceilfngs <br />_ _ _ -_ <br />�_.,:,:r�,:-:ons ��'__— 6 � <br />� No Vaulted Ceuinqs m this proJe[t ��� <br />c _ �. �, r = � �:. _ <br />Above Grade Wal►s �sre Fieu2 �� <br />Insiruc[;or>s --____.�._. . . . . . � <br />� R21 �E� <br />F�OOfS . . . _._ . _ . ._. . . . . .. <br />_. . _. _ <br />�ns,�uc�ior.� -- <br />� R30 �I �� <br />4 _ :,� F;,�,y�� <br />Below Grade Walls �sKFr9�re �1 <br />Ir,siructions — - - I <br />� ho Beiow Grade Walls in this pro�ett �, I <br />.: ..�........V�a,:.;, �j <br />Slab Below Grade r:� Fiqure �iM <br />I;�struc;roi�s E � <br />k# No Sfab Below 6rade m this pro)ect � <br />E <br />Slab on Grade �seeFiauR» <br />;3iSYlUCI1;�{',s '_ .:-.."— '_-_ _.. <br />�R 10 Penmeter � :�. .I <br />�� �� _ ... ���� <br />Location of Ducts <br />Ins,r��ction> - <br />� Condluoned Space � n � r� , <br />r�„ �. z. �, <br />Fi ure 1. <br />�""`�-�""'�,. <br />�� Abwe Grade �'� <br />� _,_ <br />� , ,: - __ , <br />1,368 <br />Conditioned Volume <br />8.5 11,628 <br />U-Factor X Area = UA <br />0.30 181 54.42 <br />U-Factor X Area = UA <br />0.026 602 15.65 <br />U-Factor Area <br />� � <br />U-Factor Area <br />0.056 413 <br />U-Factor Area <br />0.029 345 <br />U-Factor Area <br />-- � <br />F-Factor Le� <br />UA <br />UA <br />23.13 <br />UA <br />10.01 <br />UA <br />UA <br />F-Factor Len th UA <br />0.540 66 35.64 <br />Duct Leakage Coefficient <br />1.00 <br />Sum of UA <br />138.85 <br />47 <br />Envelope Heat Load 6,526 etu / Hour <br />Sum ol UA X eT <br />Air Leakage Heat Load 5,902 Btu / Hour <br />voiumex o.exerx.ota <br />Building Design Heat Load 12,428 Btu / Hour <br />AirLeakage + Envebpe HeatLoss <br />Building and Duct Heat Load 12,428 Btu / Hour <br />Ducts in unconditioned space: Sum of Bu!lding Heat Loss X 1.10 <br />Ducts in conditroned spaca: Sum of BuAding Heaf Loss X 1 <br />Maximum Heat Equipment Output 17,399 Btu ! Hour <br />Building and Duct Heat Loss X i.40 (or Forced Air Furnece <br />Building and Duct Neet Loss X 125 for Heat Pump ,/ <br />L � <br />(07/01/13J <br />