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Simple Heating system size. wasnington State <br />This heating system sizing calculator is based on the Prescriptive Requirements of the 2012 Washington State Enetgy Code SEC and ACCA <br />I0_ts. <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 />Prei"ect Information Contact information <br />PLAN tt2064 PAUL BUSTARD <br />425-876-6551 , <br />Heating $ stem Type: Forced Air Furuxe Neat Pump <br />To see detailed instructions for each section, place your cursor on the word "instructions". <br />Design Temperature <br />tnstruetions -•— - Design Temperature Difference (AT) 49 <br />EyErett Paine AF8 " AT = lrciov oo degrees) - ouwco, sesgn rema <br />Area of Building <br />Conditioned Floor Area <br />Instructions Conditioned Floor Area (sq ft) <br />Average Ceiling Height <br />instructions Average Ceiling Height (fl) <br />Glazing and Doors <br />Instruction-, <br />Insulation <br />Attic <br />in>;ructinns R 49 <br />Single Rafter or Joist Vaulted Ceilings <br />instructions <br />Select R value <br />Above Grade Walls fsee Figure iI <br />Instructions 21 <br />Floors <br />Instructions R-30 <br />Below Grade Walls (see Figure r) <br />Instructions.,,...... ...._,�. _...�.._ <br />Select R value <br />..�,.. <br />Slab Below Grade (see Figure i) <br />Instructions <br />Select conditioning <br />• <br />Slab on Grade (see Figure t) <br />instructions P-10 Fully Insulated <br />• <br />Location of Ducts <br />Instructions <br />Conditioned Space <br />i 2.064 <br />Conditioned Volume <br />8.0 <br />16,512 <br />U-Factor <br />X Area <br />UA <br />0.30 <br />F 280 <br />84.00 <br />U-Factor <br />X Area <br />UA <br />0.026 <br />1.320 <br />34.32 <br />U-Factor <br />Area <br />UA <br />No selection <br />--- <br />U-Factor <br />Area <br />UA <br />0.056 <br />2,226 <br />124.66 <br />U-Factor <br />Area <br />UA <br />0.029 <br />1,320 <br />38.28 <br />U-Factor <br />A�rea�� <br />UA <br />No selection <br />F-Factor <br />Length <br />UA <br />NO Selection <br />--- <br />F-Factor Length UA <br />0.360 110 39.60 <br />Duct Leakage Coefficient <br />1.00 <br />Sum of UA 320.86 <br />Envelope Heat Load 15,722 Btu I Hour <br />;=iqure 1. Sum ofUAX.ST <br />Air Leakage Heat Load 8,738 Btu / Hour <br />volumex ocXnTX_are <br />atovc Gram Building Design Heat Load 24,460 Btu / Hour <br />Air Lea0ge + e'rvoto, a Neat Lass <br />Building and Duct Heat Load 24,460 Btu / Hour <br />Duets in uncvnditned-,Pace Sum of Buddirg Heat LOSS X 1.10 <br />Ducts in cond�twed space * Sum of Eifftng Neat Loss X I <br />Maximum Heat Equipment Output 34,244 Btu I Hour <br />Bw4ding aid Duct Heat Loss X 140 far Forced Air Furnace <br />Buiiding and Duct Heat toss X 1.25 for Heat trump <br />(07/Olfl3) <br />