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Heating System Size: Washinqton 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 prescriptive 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 /nformation Contacf Information <br />Unit E3 Townhome Polygon Northwest <br />Siiver Lake Townhomes Alaina Robertson <br />Everett, Washin ton {425)606-0005 <br />H@8tinq SVSt@ITl TVPe: OO 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 />�"`��'''�fiOi1` -- - ------- � Design Temperature Difference (4T) <br />_--- — <br />. <br />Everett JC � �T = Indoor (70 degiees) - Outdoor Deslgn Temp <br />� - - - .. . ,.,.-x. , . . <br />Area of Buildinq <br />Conditioned Floor Area <br />i�,,�r���iio�,� Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />irts�ructic;,s Average Ceiling Height (ft) <br />Glazinq and Doors <br />Ii15eE'LlC4tOi15 <br />Insulation <br />Attic <br />_ _ . _ ._ _ _ _ <br />itl�ilU�?IQtSS _-,.___ _____.._.,_ . _.:__._...�_.�.�.,_.�_ .............._��._. <br />� :.' R-49 � � .� <br />. _..�. � _ -,.m ..<r __ _. - <br />�, ...,.-,.&' ;.9 <br />Single Rafter or Joist Vaulted Ceilings <br />_ _ _ _ . _ . _ __... _ _ _ <br />frstr:.ction_ __ .__ ___._ ___._______ - <br />N� o Vaulted Cellin�s In Utis proJect. �. � <br />.,�G.�� . .. r7L`:.d� <br />QbOV@ Ca�8t�2 Hi811S (see Flgure i) <br />_ <br />Insfructio7s � .__ _ _. ___._.._—__-_--------�-- I <br />F . R-21 � . <br />• �_..__-:..5 <br />or" - <br />Floors <br />1�,=.tructions _ _ �_ ___�r__ �.,,_ -� I <br />��t . _ � <br />Below Grade Walls �sre Finu.e �i <br />_ __ _ <br />Ins3rE!cticns i _. _ __ ___ - ---..—. <br />� �0 6elow Grade U alls in this pro�ec�. �, <br />� _ _ �..�. <br />Slab Below Grade rsee Fia��e �i <br />Ins[ri�ctio;is `.. . �.:��� . .. ,. .. ::. I <br />�vo Slab E3eiow Graae in this pro�ect. � � <br />_ 1 <br />Slab on Grade �:ee Fm�.� �i <br />„�_. <br />.,�o�ruci�ons . .... ._. .__ _ ._._. <br />R-10 PfnmBlOr � � <br />Location of Ducts <br />Ins.ruciiorzs <br />�. Condinoned SPace ^ _ � <br />�� r�t� <br />Fiqure 1. <br />_�'"<� _ <br />j Above Grade � <br />. 8elowGrade ., �..........`� ...-., <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-Facior X Area = UA <br />0.026 263 6.84 <br />U-Fac#or <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 />0 <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 oI UA X,�T <br />Air Leakage Heat Load 6,839 Btu / Hour <br />VolumeX O.6X�TX.018 <br />Building Design Heat Load 14,921 Btu / Hour <br />AirLeakage + Envelope Heat Loss <br />Building and Duct Heat Load 14,921 Btu / Hour <br />Ducts in unconditloned space: Sum of Building Heal Loss X 1.10 <br />Ducts in conditioned space: Sum of Bmlding Neat Loss X 1 <br />Maximum Heat Equipment Output 20,890 Btu / Hour <br />Bui(ding and Duct Heat Loss X 1.40 (or Forced Air Fumace <br />Building and Duct Heat Loss X 125 for Heaf Pump /, i�� <br />� <br />(07/01/13) <br />