Building Specifications
- 163,555 ft2
- Building height - 24’
- Metal w/ 1” insulation in walls
- Metal w/ 3” insulation in roof
- Over 40 year old building
- Located in Fairmont, WV
Before - Direct Fired Recirculation System
Performance
- Uneven temperatures
- High operating cost
- Cold dock areas
- High maintenance cost
Operating Costs
$0.96/ft2 Gas cost @ $1.00/therm
$0.16/ft2 Electric cost @ $0.08/kWh
$1.12/ft2 Total cost
After - Cambridge Space Heaters
Performance
- More even temperatures
- Lower operating cost
- Warmer dock areas
- Lower maintenance cost
Operating Costs
$0.62/ft2 Gas cost @ $1.00/therm
$0.03/ft2 Electric cost @ $0.08/kWh
$0.65/ft2 Total cost
Summary
The Cambridge system used 42% less total energy. The Cambridge system saved approximately $77,000/year operating at $0.65ft2 vs. $1.12/ft2