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, Simple Heating System Size: CIim�Zone 1 Contacl Informetion ' <br /> Pmjecl In/omiation Seattle Pacific Homes Inc. <br /> VIRGIL SGHORT PLAT p0 Box 123 <br /> LOT 2 Ma sville Wa. 98270 <br /> EVERETT <br /> Indoor Design Temperature �� <br /> Outdoor Design Temperature �3 <br /> Design Temperalure Difference (eT) 47 <br /> nT=Indoor-Outdoor Design Temp z180 <br /> Conditioned FloorArea �g368 <br /> Conditioned Volume <br /> Glazing <br /> Copy Sum of UA from Glazing Schedule 8g <br /> U-Factor X Area = �A <br /> Attic 33.8 <br /> R-49 0.027 1252 <br /> R-38 Advanced 0.026 <br /> Single Rafter or Joist Vaulted Ceilings � <br /> U-Factor X A� _ <br /> R-38 Vented 0.027 <br /> Above Grade Walls U-Factor X Area = �A <br /> R-21 0.056 2588 144.9 <br /> Floors U-Fac� X Area = �A <br /> R30 0.029 1317 38.2 <br /> Below Grade Walls U-Factor X Area = �A <br /> 2' Depth Walls 0.042 <br /> 3.5' Depth Walls 0.041 <br /> 7' De th Walls 0.037 <br /> Slab Below Grede F-Factor X Len th = �A <br /> 2' Depth 0.59 <br /> 3.5' Depth 0.64 <br /> 7' De th 0.57 <br /> Slab on Grede F-Factor X Len th = UA <br /> R-10 2' perimeter 0.54 � <br /> R-10 Full - Heated 0.55 <br /> Sum of UA 305 <br /> Enveiope Heat Load <br /> 14313 Btu I Hour <br /> Sum of UA X AT <br /> Air Leakage Heat Load <br /> 9324 Btu I Hour <br /> ((Valume X 0.6)X.1T)X.018)) <br /> Building Design lieat Load <br /> 23637 Btu I Hour <br /> Air Leakage+Envelope Heat Loss <br /> Building and Duct Heat Load <br /> 1.15 27182 Btu I Hour <br /> If ducts are located in unconditioned space: Sum of Building Heal Loss X 7.15 <br /> If ducts are located in conditioned space:Sum of Building Heat Loss X 1 <br /> Maximum Heat Equipment Output 150°/a 40773 Btu I Hour <br /> Build�ng and Duct Heal Loss X 1.50 <br /> WSEG Prescriplive Worksheel(2010 Edition) WSUEEP70-010 Copyrighl2010 � <br /> % <br />