Cambridge Space Heaters
Operating Costs
Based on 5,215 Heating Degree Days @ 65°
$0.14/ft2 Gas cost @ $1.00/therm
$0.01/ft2 Electric cost @ $0.08/kWh
$0.15/ft2 Total cost
Building Specifications
- 1,291,950 ft2 x 36’ high
- R-19 Roof / R-10 Walls
- Located in Topeka, KS
Heating System
- (15) Cambridge Space Heaters
- Roof top mounting
- 27,806 MBH total
- 132,340 CFM total
- 95 HP total
Draw Thru Make Up Air Units
Operating Costs
Based on 5,545 Heating Degree Days @ 65°
$0.27/ft2 Gas cost @ $1.00/therm
$0.02/ft2 Electric cost @ $0.08/kWh
$0.29/ft2 Total cost
Building Specifications
- 1,291,950 ft2 x 36’ high
- R-19 Roof / R-10 Walls
- Located in Columbus, OH
Heating System
- (15) Draw Thru Make-up Air Heaters
- Roof top mounting
- 30,315 MBH total
- 210,000 CFM total
- 150 HP total
Summary
The Cambridge system used 47% less total energy.
If the Ohio facility had installed a Cambridge system they could have saved approximately $177,000/year operating at $0.15/ft2 vs. $0.29/ft2.