Building Specifications
- 216,000 ft2
- Located in Indianapolis, IN
- Construction: Roof: R-10 | Walls:16’ Metal w/ 2” Insulation | 10’ Uninsulated Tilt Concrete
Before - Unit Heaters
Performance
- Uneven temperatures
- Cold dock areas
- High gas costs
- Poor Indoor Air Quality
- No summer ventilation
Operating Costs
Based on:
46,959 therms for 2009 -10 heating season
Normalized to 30 year averages @ 50°
$0.22/ft2 Total cost @$1.00 therm
After - Cambridge Space Heaters
Performance
- More even temperatures
- Better Indoor Air Quality
- Lower Energy Cost
- Provided summer ventilation
Operating Costs
Based on:
45,446 therms for 2011-12 heating season
Normalized to 30 year averages @ 60°
$0.21/ft2 Total cost @ $1.00 therm
Summary
The Cambridge system saved 5% in gas, while maintaining a 10° high building temperature. If the customer would have maintained 50° they would have saved an additional $22,000.
Note: If the customer had operated the system at 50° as designed, they would have they would havereduced their fuel consumption by 47%.