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System Sizing Calculations Winter <br /> Residential Load - Room by Room Component Details <br /> Project Title: <br /> 38826 4th Ave. The Seven Springs Keystone Challenge 1254 <br /> Zephyrhills, Fl 33542- Building Type: User <br /> 5/24/2010 <br /> Reference City: Tampa, FL (Defaults) Winter Temperature Difference: 30.0 F (MJ8 99 %) <br /> i, a y 'o-. e C. S! 1 ...„ j(;1 :R ;: c opE „!, 1 r , ' 44 4 -- �q j - • i £ kx - , 1 x ': <br /> Window Panes/Type Frame U Orientation Area(sqft) X HTM= Load <br /> 1 1, NFRC 0.36 Metal 0.47 N 15.0 14.1 212 Btuh <br /> 2 1, NFRC 0.36 Metal 0.47 N 11.3 14.1 160 Btuh <br /> 3 1, NFRC 0.36 Metal 0.47 S 45.0 14.1 634 Btuh <br /> 4 1, NFRC 0.36 Metal 0.47 S 10.0 14.1 141 Btuh <br /> 5 1, NFRC 0.36 Metal 0.47 E 9.0 14.1 127 Btuh <br /> Window Total 90.3(sqft) 1274 Btuh <br /> Walls Type Ornt. Ueff. R -Value Area X HTM= Load <br /> (Cav /Sh) <br /> 1 Conc BIk,Hollow - Ext (0.132) 5.0/0.0 103 3.95 407 Btuh <br /> 2 Conc BIk,Hollow - Ext (0.132) 5.0/0.0 244 3.95 963 Btuh <br /> 3 Conc BIk,Hollow - Ext (0.132) 5.0/0.0 245 3.95 967 Btuh <br /> 4 Conc BIk,Hollow - Ext (0.132) 5.0/0.0 252 3.95 996 Btuh <br /> 5 Frame - Wood - Adj (0.095) 11.0/0.0 140 2.85 398 Btuh <br /> 6 Frame - Wood - Adj (0.095) 11.0/0.0 20 2.85 57 Btuh <br /> Wall Total 1004(sqft) 3788 Btuh <br /> Doors Type Storm Ueff. Area X HTM= Load <br /> 1 Insulated - Exterior, n (0.400) 20 12.0 240 Btuh <br /> 2 Insulated - Exterior, n (0.400) 20 12.0 240 Btuh <br /> 3 Insulated - Garage, n (0.400) 20 12.0 240 Btuh <br /> Door Total 60(sqft) 720Btuh <br /> Ceilings Type /Color /Surface Ueff. R -Value Area X HTM= Load <br /> 1 Vented Attic /L/Shing (0.032) 30.0/0.0 1254 1.0 1198 Btuh <br /> Ceiling Total 1254(sqft) 1198Btuh <br /> Floors Type Ueff. R -Value Size X HTM= Load <br /> 1 Slab On Grade (1.180) 0.0 122.0 ft(perim.) 35.4 4319 Btuh <br /> Floor Total 1254 sqft 4319 Btuh <br /> Zone Envelope Subtotal: 11298 Btuh <br /> Infiltration Type ACH Zone Volume Wall Ratio CFM= <br /> Natural 0.45 10032 1.00 75.2 2482 Btuh <br /> Duct Toad Average sealed, Supply(R6.0- Attic), Retum(R6.0- Attic) (DLM of 0.245) 3377 Btuh <br /> Zone #1 Sensible Zone Subtotal 17158 Btuh <br /> EnergyGauge® / USRFZB v2.8 Page 1 <br />