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Efficiency Pays Calculator
Step 1: Select and enter either therms per year or
annual gas charges
from your bill.
by therms
by Cost
Enter your annual natural gas usage (in therms):
Cost per therm:
Enter your annual gas bill:
Customer can access their gas usage via
My Account Online
.
 
Step 2: Please indicate if you have a gas water heater as it will be subtracted from the calculation
check box if you have a gas water heater:
(reduces 20% of annual gas charges)
 
Step 3: Select your current heating system's AFUE
Current AFUE is:
50
55
65
70
75
80
85
90
92
95
% Efficiency