760 Long Road Crossing Dr. • Chester?eld MO 63005 800-899-1989 • www.cambridge-eng.com Operating Costs Based on 5,441 Heating Degree Days $0.33/ft 2 Gas cost @ $1.00/therm $0.05/ft 2 Electric cost @ $0.08/Kwh $0.38/ft 2 T otal cost Building Specifications •? 62,000 ft 2 x 34’ high •? R-19 Roof / R-3 Walls Heating System •? (2) Cambridge Space Heaters •? Roof top mounting •? 1,800 MBH total •? 11,400 CFM total •? 6

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