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< Boilers
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< Direct-Fired
(100% MUA)
< Direct-Fired
(80/20 MUA)
Case Studies
Overview
Customer Solutions
< Warehouse/
Distribution
< Manufacturing Plant
< Auto Service
< Carwash
< Recreational Facility
< Restaurant
< Retrofit
Testimonials
< Energy Savings
< Lowest Total Costs
Building Study
Program
< U.S. Facility
< Canadian Facility
Comparison Studies
< Boilers
< Unit Heaters
< Air Turnover
< Infrared (Radiant)
< Direct-Fired
(100% MUA)
< Direct-Fired
(80/20 MUA)
Cambridge vs. Draw-Thru Make Up Air
(100% Outdoor Air - No Recirculation)
Distribution Center #1 |
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Distribution Center #2 |
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1.3 million ft2 x 36' high, R-19 Roof/R-10 Walls |
1.3 million ft2 x 36' high, R-19 Roof /R-10 Walls |
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Make-Up Air Heating System |
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Gas Cost |
Electric Cost |
 |
$ .75/therm |
$ .08/kwh |
$90,000 |
$1.00/therm |
$ .10/kwh |
$116,000 |
$1.25/therm |
$.12/kwh |
$155,000 |
Results:
The Cambridge Heating System used 36%less total energy.
If Distribution Center #2 had installed a high efficiency Cambridge System they could have saved