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.' <br />� ► <br />Simple Heatina Svstem 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 />Project lnformation Contacf lnformafion <br />Unit El Townhome Polygon Northwest <br />Silver LakeTownhomes Alaina Robertson <br />Everett, Washin ton (425) 606-0005 <br />Heatinq System Type: O Fo��e� n�� F���a�e Q Heat Pump <br />To see detailed instructions for each section, place your cursor on fhe word "Instrucfions". <br />Desiqn Temperature <br />instr��ction:s __ __.. _ Design Temperature Difference (�T) <br />� --- -- <br />Everett ]C �� 1T =lndoor (70 degrees) - Outdaor Design Temp <br />� _� <br />Area of Buildinq <br />Conditioned Floor Area <br />im�c;�,ci;o.,� Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />i�,�Yi uctir,ns Average Ceiling Height (ft) <br />Glazinq and Doors <br />InstrucYians <br />Insulation <br />Attic <br />Insfrtictions � R.q4 M�� �� �� � E�� <br />_�,�...�.. �� <br />Single Rafter or Joist Vaulted Ceilings <br />Instruc.t;ons � �� -.-_..:_.«_._.�_._...___, - _�'�t <br />� No Vaulted Cellings In thls proJect. 'r ±� <br />l . - ::;-.� r��� <br />Above Grade Walls �:re F�9�rc �� <br />Instructions i ---- � -- <br />: R-21 �S��A� <br />�•�-�rR� �`.�..�.s_.,-,-�._�.n,m......_ <br />Floors <br />_ _ _ _ _ . _ . . _ _ <br />InsVuction; ------- <br />l � R-30 .. . . � I._ � <br />Below Grade Wans �5� Fr9�re a� <br />_ — _ <br />I„structians _. _. _._ _ _ __ I <br />� No �elow Grade Walls in this pro�ect. � � J <br />-Y,�;:�� <br />Slab Below Grade rsee F�u�.e aJ u <br />b,st,uctieris _ _ _ _.- ----_ _ _ _..— — <br />� No Slab Below Grade m thls pro�ecL �` � <br />� -- <br />._� =...`- <br />Slab on Grade �5ee F�uure n <br />If75ifLICilOk15 � ...... . ...,__..._ ......:..._. ...�,y.,.f:.._.. .._.___. <br />R 10 Penmeter � � ,;� <br />�,�� <br />Location of Ducts <br />i;rstructicns �- _ `� <br />Conditloned Space � � ( <br />� �.�, <br />Fiqure 1. <br />. < "��.�.. <br />', Above Grade �� <br />; BelowGrede " �• <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 <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 />413 <br />Area <br />345 <br />Area <br />� <br />Le� <br />Len th <br />66 <br />Duct Leakage Coefficient <br />1.00 <br />UA <br />UA <br />23.13 <br />UA <br />10.01 <br />UA <br />UA <br />UA <br />35.64 <br />138.85 <br />47 <br />Envelope Heat Load 6,526 Btu / Hour <br />Sum o( UA X 4T <br />Air Leakage Heat Load 5,902 Btu / Hour <br />VolumeX O.6X�TX.018 <br />Building Design Heat Load 12,428 Btu / Hour <br />Air Leakaqe + Envelope Heat Loss <br />Building and Duct Heat l.oad 12,428 Btu / Hour <br />Ducts in unconditioned space: Sum of 8uilding Heat Loss X 1. i0 <br />Ducts in conditioned space: Sum o( 8urlding Neat Loss X 1 <br />Mauimum Heat Equipment Output 17,399 Btu / Hour <br />Building and Duct Heat Loss X 1.40 Por Fwced Air Fumace <br />Building and Duct Heat Loss X 1.25 for Neat Pump <br />(07/01/13J <br />