760 Long Road Crossing Dr. • Chesterfield MO 63005 800-899-1989 • www.cambridge-eng.com Operating Costs Based on 7,518 Heating Degree Days @ 65° $0.20/ft² Gas cost @ $1.00/therm $0.03/ft² Electric cost @ $0.08/kWh $0.23/ft² T otal cost Building Specifications • R-14 Roof / R-10 Walls • 1,400,000 ft² x 36’ high • Located in Upstate NY Heating System • (17) Cambridge Space Heaters • Roof top mounting • 37,400 MBH total • 1

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