Cambridge Space Heaters
Operating Costs
Based on 7,086 Heating Degree Days @ 65°
$0.11/ft2 Gas cost @ $1.00/therm
$0.02/ft2 Electric cost @ $0.08/kWh
$0.13/ft2 Total cost
Building Specifications
- 215,040 ft2 x 30’ high
- R-19 Roof / R-11 Walls
- 33 active doors
- Located in Milwaukee, WI
Heating System
- (3) Cambridge Space Heaters
- Thru wall mounting
- 3,615 MBH total
- 20,820 CFM total
- 15 HP total - intermittent
Air Turnover
Operating Costs
Based on 6,485 Heating Degree Days @ 65°
$0.31/ft2 Gas cost @ $1.00/therm
$0.07/ft2 Electric cost @ $0.08/kWh
$0.38/ft2 Total cost
Building Specifications
- 228,000 ft2 x 27’ high
- R-19 Roof / R-10 Walls
- 23 active doors
- Located in Chicago, IL
Heating System
- (2) Air Turnover Heaters
- Floor mounting
- 6,250 MBH total
- 200,000 CFM total
- 40 HP total - continuous
Summary
The Cambridge system used 66% less total energy in a colder climate. If the 228,000 ft2 facility had installed a Cambridge system they could have saved approximately $57,000/year operating at $0.13/ft2 vs. $0.38/ft2.