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� <br /> . i <br /> System Sizing Calculations - Winter <br /> Residential Load - Whole House Component Details <br /> Project Title: <br /> Hawthorne II <br /> , FL Building Type: User <br /> 9/16/2014 <br /> Reference City: Lakeland, FL (Defaults) Winter Temperature Difference: 29.0 F (MJ8 99°/a) <br /> This calculation is for Worst Case.The house has been rotated 270 degrees. <br /> i.=.�-._._r._ -- --.__ , --: ._. - � - -- - <br /> - -� �._ _ <br /> Com :onentiLoads;for'W � � J <br /> . :.. .. ,. <br /> � .-p . �.� � hole House , � � , . . , . <br /> --- - -- -- -�- - - -- - - - - - - <br /> _- - �-- --- ---=- -- -�-=. <br /> Window Panes/T e Frame U Orientation Area s ft X HTM= Load <br /> 1 1, NFRC 0.30 Metal 0.60 E 32.4 17.4 563 Btuh <br /> 2 1, NFRC 0.33 Metal 0.57 S 16.2 16.5 268 Btuh <br /> 3 1, NFRC 0.33 Metal 0.57 W 33.3 16.5 551 Btuh <br /> 4 1, NFRC 0.33 Metal 0.57 W 32.4 16_5 535 8tuh <br /> 5 1, NFRC 0.33 Metal 0.57 N 16.2 16.5 268 Btuh <br /> Window Total 130.5 s ft 2185 Btuh <br /> Walls Type Omt. Ueff. R-Value Area X HTM= Load <br /> (CavlSh) <br /> 1 Conc BIk,Hollow -Ext (0.149) 4.1/0.0 74 4.33 322 Btuh <br /> 2 Frame-Wood -Adj (0.095) 11.0�0.0 152 2.75 418 Btuh <br /> 3 Frame-Wood -Adj (0.095) 11.0/0.0 124 2.75 340 BEuh <br /> 4 Frame-Wood -Adj (0.095) 11.0�0.0 23 2.75 62 Btuh <br />' 5 Conc BIk,Hollow -Ext (0.149) 4.1/0 0 28 4.33 121 Btuh <br /> 6 Conc BIk,Hollow -Ext (0.149) 4.1/0.0 252 4.33 1093 Btuh <br /> 7 Conc BIk,Hollow -Ext (0.149) 4.1/0 0 214 4.33 927 Btuh <br /> 8 Conc BIk,Hollow -Ext (0.149) 4.1/�0.0 450 4.33 1950 Btuh <br /> Wall Total � 1318 s ft 5233 Btuh <br /> Doors Type Storm Ueff. Area X HTM= Load <br /> 1 Insulated-Garage, n (0.460) 18 13.3 237 Btuh <br /> 2 Insulated-Exterior, n (0.460) 20 13.3 267 Btuh <br /> Door Total 38 s ft 504Btuh <br /> Ceilings Type/Color/Surface Ueff. R-Value Area X HTM= Load <br /> 1 Vented Attic/UShing (0.032) 30.0J0�0 1540 0.9 1422 Btuh i <br /> 2 Knee Wall/UShing (0.032) 30.0/0�0 30 0.9 28 Btuh , <br /> Ceilin Total � 1570 s ft 1450Btuh <br /> Floors Type Ueff. R-Value Size X HTM= Load <br /> 1 Slab On Grade (1.180) 0 0 185.9 ft(perim.) 34.2 6361 Btuh <br /> Floor Total 1540 s ft 6361 Btuh <br /> Envelope Subtotal: 15733 Btuh <br /> Infiltration Type Wholehouse ACH Volume(cuft) WaU Ratio CFM= <br /> Natural 0.36 12320 1.00 73.9 2342 Btuh <br /> � <br /> Duct load Average sealed, R6.5, Supply(Att), Return(Gar) (DLM of 0.021) 385 Btuh <br /> � <br /> All Zones Sen I ible Subtotal All Zones 18460 Btuh <br /> � <br /> EnergyGauge�!USRFZB v3.1 Page 1 <br />