Genuine Cambridge® direct-fired space heating and make-up air heating equipment saves energy and improves indoor air quality for commercial/industrial buildings. Applications include warehouses, distribution centers, manufacturing plants, parking garages, automobile dealership service areas, indoor sports facilities, school gyms, LEED/Green buildings and other facilities with large open areas that require heating and ventilation with fresh air. Blow-Thru® Space Heaters with patented Cambridge burner technology provides documented 40% to 70% energy savings and are pre-qualified for EPAct Federal tax deductions when used in eligible buildings. Cambridge Engineering is an ENERGY STAR Partner and active member of the U.S. Green Building Council (USGBC).