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Furnace Size Calculation Worksheet <br /> 2335 :�Ih.tC I / 1 <br /> SITE ADDRESS DATE • <br /> HEATING CONTRACTOR Rfkiv ► U3 e �"}@ye, - PHONE <br /> f <br /> GENERAL CONTRACTOR OR OWNER PHONE. <br /> CALCULATIONS PREPARED BY PHONE <br /> The design information below must be determined from the building plans/specifications. wrult <br /> 1. Sq.1eet of exposed wall area above grade 329D "U" ►0 5 x 88 degrees 0-‘416 <br /> 2. ..Sq.feet of exposed window area 49 I x"U" 4.3 t x 88 degrees <br /> 3. Sq.feet of exposed door area :,x "tP' b a3 x 88 degrees 2 Sc) <br /> 4. Sq.feet of ceiling,areal_kaa x"U" i O Um 88 degrees t? a7 <br /> 5. Sq.feet of basement floorarea (3to t x 2 13TU l•1/square feet p i a <br /> 6. Sq.feet of basement wall area below grades y eex 3 BTUH/square feet k 4 LSA <br /> 7. Lin.feet of infiltration for windows 5(a x(0.34)x(1.085)x 88 degrees 1�Q <br /> 8. Sq.feet of infiltration for doors 25t x(0.5)x (1.085)x 88 degrees • 1 l 4 <br /> 9. Sq,feet of infiltration for sliding glass doors(04- x(0.5)x(1.085)x 88 degrees 3 , 0 SS <br /> 10. Allowance for kitchen and bath fans: # I kitchen fans @ 600 BTUH each l9 Q 0 <br /> • <br /> # 4 bath fans j 200 WITH eaeli t� <br /> U. Allowance for fireplaces; #a A 1,300 BTUH each $4(s)(,0 <br /> 12. Mechanical Ventilation; Exhaust CFM q 0 x(1.085)x 88 Degrees g 5� <br /> 13. Total BTUH loss for all above items—minimum required furnace nutnut , 3 aEa 4 <br /> 14. Maximum allowed fltrnaee output* is Line 13 x 1.46 l b eC i 5 t 13 <br /> *Furnace output may be oversized to include a safety factor and pick-up <br /> loads but may not exceed tlblo <br /> Applicant Signature <br />