Qualifying Energy Factor Ratings  
To qualify for MPEI and Tri-State rebates, your new water heater must meet the following
minimum Energy Factor (EF) Rating:
 
Tank Size
(in gallons)
Minimum
EF Rating
30
0.93
40
0.92
50
0.90
60
0.89
80
0.86
100
0.84
     
 
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(970) 887-3378 - FAX (970) 887-3996 Denver Metro area - (303) 377-2525

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