Building Specifications
- 100,000 ft2
- Over 30 year old building
- Located in Cleveland, OH
Before - Indirect Direct Air Turnover Units
Performance
- Uneven temperatures
- Cold dock areas
- High maintenance costs
Operating Costs
$0.33/ft2 Gas cost @ $1.00/therm
$0.24/ft2 Electric cost @ $0.08/kWh
$0.57/ft2 Total cost
After - Cambridge Space Heaters
Performance
- More even temperatures
- Provides summer ventilation
Heating System
- $0.19/ft2 Gas cost @ $1.00/therm
- $0.02/ft2 Electric cost @ $0.08/kWh
$0.21/ft2 Total cost
Summary
The Cambridge system used 63% less total energy. The Cambridge system saved approximately $36,000/year operating at $0.21/ft2 vs. $0.57/ft2.