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System Sizing Calculations - Winter <br /> Residential Load - Whole House Component Details <br /> Marsella Construction Inc. Project Title: <br /> 5526 12th St P296 <br /> Zephyrhills, FL 33542 Building Type: User <br /> 4/28/2017 <br /> Reference City: Lakeland, FL (Defaults) Winter Temperature Difference: 38.0 F (TMY3 99%) <br /> 7 _ ,O <br /> Window Panes/Type Frame U Orientation Area s ft X HTM= Load <br /> 1 2, NFRC 0.25 Metal 0.40 NW 32.4 15.2 492 Btuh <br /> 2 2, NFRC 0.25 Metal 0.40 NW 6.9 15.2 104 Btuh <br /> 3 2, NFRC 0.25 Metal 0.40 NW 10.6 15.2 160 Btuh <br /> 4 2, NFRC 0.25 Metal 0.40 NE 32.0 15.2 486 Btuh <br /> 5 2, NFRC 0.25 Metal 0.40 NE 33.9 15.2 516 Btuh <br /> 6 2, NFRC 0.25 Metal 0.40 SE 34.1 15.2 519 Btuh <br /> 7 2, NFRC 0.25 Metal 0..40 SW 27.8 15.2 422 Btuh <br /> Window Total 177.E s ft 2699 Btuh <br /> Walls Type Ornt. Ueff. R-Value Area X HTM= Load <br /> (Cav/Sh) <br /> 1 Conc Blk,Hollow -Ext (0.116) 6.0/0.0 367 4.42 1622 Btuh <br /> 2 Conc Blk,Hollow - Ext (0.116) 6.0/0.0 173 4.42 766 Btuh <br /> 3 Conc Blk,Hollow - Ext (0.116) 6.0/0.0 87 4.42 385 Btuh <br /> 4 Conc Blk,Hollow - Ext (0.116) 6.0/0.0 91 4.42 402 Btuh <br /> 5 Conc Blk,Hollow - Ext (0.116) 6.0/0.0 395 4.42 1746 Btuh <br /> 6 Conc Blk,Hollow - Ext (0.116) 6.0/0.0 103 4.42 455 Btuh <br /> 7 Conc Blk,Hollow - Ext (0.116) 6.0/0.0 12 4.42 55 Btuh <br /> 8 Conc Blk,Hollow - Ext (0.116) 6.0/0.0 23 4.42 100 Btuh <br /> 9 Frame-Wood -Adj (0.089) 13.0/0.0 82 3.37 276 Btuh <br /> 10 Frame-Wood -Adj (0.089) 13.0/0.0 50 3.37 168 Btuh <br /> 11 Frame-Wood -Adj (0.089) 13.0/0.0 19 3.37 63 Btuh <br /> 12 Frame-Wood -Adj (0.089) 13.0/0.0 131 3.37 441 Btuh <br /> Wall Total 1533 s ft 6478 Btuh <br /> Doors Type Storm Ueff. Area X HTM= Load <br /> 1 Insulated- Exterior, n (0.400) 40 15.2 608 Btuh <br /> 2 Insulated- Exterior, n (0.400) -24 15.2 365 Btuh <br /> 3 Insulated-Garage, n (0.400) 18 15.2 270 Btuh <br /> Door Total 82 s ft 124313tuh <br /> Ceilings Type/Color/Surface Ueff. R-Value Area X HTM= Load <br /> 1 Vented Attic/L/Shing (0.025) 38.010.0 1775 1.0 1712 Btuh <br /> Ceiling Total 1775 s ft 171213tuh <br /> Floors Type Ueff. R-Value Size X HTM= Load <br /> 1 Slab On Grade (1.180) 0.0 190.0 ft(perim.) 44.8 8520 Btuh <br /> Floor Total 1775 s ft 8520 Btuh <br /> Envelope Subtotal: 20652 Btuh <br /> Infiltration Type Wholehouse ACH Volume(cuft) Wall Ratio CFM= <br /> Natural(Adjusted for ventilation) 0.01 17750 1.00 0.0 0 Btuh <br /> Duct load Average sealed, R6.0, Supply(Att), Return(Att) (DLM of 0.220) 4549 Btuh <br /> EnergyGauge®/USRCZB v5.0, Page 1 <br />