Literature is available on the S-Series Space Heaters. These space heaters offer the lowest total heating cost for large commercial/industrial buildings, including lowest installed cost and lowest operating cost, says the manufacturer. Patented gas burner and Blow-Thru heater construction deliver more Btu/cfm with documented 40 percent to 60 percent energy savings.
Cambridge Engineering Inc., P.O. Box 1010, Dept. K, Chesterfield, MO 63006; 800-318-0661 or 636-532-2233; 636-530-6133 (fax); www.cambridge-eng.com.