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CITY OF SANTA ANA <br />Planning and Building Agency <br />RESIDENTIAL ROOM COOLING LOAD SUMMARY <br />Project Name <br />e <br />FOR EfAT2tU <br />SINGLE HOUSE ADDITION <br />ROOM INFORMATION <br />DESIGN CONDITIONS <br />Room Name EXISTING AREA <br />Outdoor Dry Bulb Temperature <br />Master ID: <br />91 OF <br />Floor Area 9.097.00 ft2 <br />Outdoor Wet Bulb Temperature <br />Date: <br />70 °F <br />Indoor Dry Bulb Temperature 78 OF <br />Outdoor Daily Range: <br />26 OF <br />Opaque Surfaces Orientation Area U-Factor <br />CLTD1 <br />Btu/hr <br />Default Roof (N) 1,097.0 X 0.3041 X <br />38.0 = <br />12.678 <br />Default Wall (W) 156.8 X 0.6459 X <br />14.0 = <br />1,418 <br />Default Wall (E) 211.6 X 0.6459 X <br />14.0 = <br />1,914 <br />Default Wall (N) 279.8 X 0.6459 X <br />4.0 = <br />723 <br />Default Wall (S) 239.3 X 0.6459 X <br />7.0 = <br />1,082 <br />'Default Wall 119.2 X 0.6459 X <br />0.0 = <br />0 <br />Default Floor Crawlspace 1,097.0 X 0.1964 X <br />5.0 = <br />1,077 <br />X X <br />= <br />X X <br />= <br />Page Total <br />18,892 <br />Items shown with an asterisk (') denote conduction through an interior surface to another room. <br />1. Cooling Load Temperature Difference (CLTD) <br />Shaded Unshaded <br />Fenestration Orientation Area GLF Area <br />GLF <br />Btu/hr <br />WINDOWS (W) 0.0 X 35.3 + 12.0 <br />X 88.3 = <br />1,059 <br />WINDOWS (E) 0.0 X 35.3 + 68.4 <br />X 88.3 = <br />6,037 <br />WINDOWS (N) 0.0 X 35.3 + 9.0 <br />X 35.3 = <br />317 <br />WINDOWS (S) 0.0 X 35.3 + 41.5 <br />X 41.7 = <br />1.732 <br />X + <br />X = <br />X + <br />X = <br />X + <br />X = <br />X + <br />X = <br />X + <br />X = <br />Page Total <br />9,146 <br />Internal Gain <br />Btulhr <br />Occupants 3.3 Occupants X 245 Btuh/occ. <br />= <br />806 <br />Equipment 1.097 Floor Area X 0.50 w/sgft <br />= <br />1,872 <br />Infiltration: 1.075 X 0.65 X 40.22 X 13 = <br />365 <br />Air Sensible CFM ELA AT <br />TOTAL HOURLY SENSIBLE HEAT GAIN FOR ROOM <br />31,081 <br />Latent Gain <br />Btu/hr <br />Occupants 3.3 Occupants X 155 Btuh/occ. <br />= <br />510 <br />Infiltration: 4.822 X 0.65 X 40.22 X 0.00069 = <br />87 <br />Air Latent CFM ELA AW <br />TOTAL HOURLY LATENT HEAT GAIN FOR ROOM <br />597 <br />NCE <br />