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Simple Heating System Size: Clima�r ?one 7 � <br /> Pmject In/ormation � Contact In(orma(ion <br /> Plan A222B Premier Communities <br /> 253-848-1440 <br /> Indoor Design Temperat�re 7� <br /> Outdoor Design Temperature 1� <br /> Design Temperature Difference (�T) <br /> AT=Indoor-Outdoor Design Temp 53 <br /> Conditioned Floor Area 1913 <br /> Conditioned Volume 16076 <br /> Giazing <br /> Copy Sum of UA from Glazing Schedule 115 <br /> Attic U-Factor X Area = UA <br /> R-49 0.027 647 17.5 <br /> R-38 Advanced 0.026 104 2.7 <br /> Single Rafter or Joist Vaulted Ceilings <br /> U-Factor X Area = UA <br /> R-36 Vented 0.027 � � <br /> �—� —� <br /> Above Grade Walls U-Factor X Area = UA <br /> R-21 0.056 2365 132.4 <br /> Floors U-Factor X Area = UA <br /> R-30 0.029 382 11•1 <br /> Below Grade Walls li-Factor X Area = UA <br /> 2' Depth Walls 0.042 <br /> 3.5' Depth Walls 0.041 <br /> 7' De th Wails 0.037 <br /> Slab Below Grade F-Factor X Len th = UA <br /> 2' Depth 0.59 <br /> 3.5' Depth 0.64 <br /> 7' De th 0.57 <br /> Slab on Grade F-Factor X Len th = UA <br /> R-10 2' perimeter 0.54 390 210.6 <br /> R-10 Fuli- Heated 0.55 <br /> Sum of UA 489 <br /> Envelope Heat Load 25933 Btu/Hour <br /> Sum of UA X dT <br /> Air Leakage Heat Load 9202 Btu/Hour <br /> ((Volume X O.o)X dT)X.018)) <br /> Building Design Heat Load 35135 Btu I Hour <br /> Air Leakage+Envelope Heat Loss <br /> Buiiding and Duct Heat Load 1.15 40405 Btu I Hour <br /> If ducts are located in unconditioned space:Sum of Building Heal Loss k 1.15 <br /> If ducts are located in conditioned space:Sum of Building Heal Loss X 1 <br /> Maximum Heat Equipment Output 150% 60608 Btu/Hour <br /> Building and Duct Heal Loss X 1.50 <br /> WSEC Prescriplive Worksheet(2070 Edition) � <br /> WSUEEPIO-070 Copyright 2 10 �� � <br /> � <br />