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Financial Calculators
Natural Gas Furnace Savings Comparison
How long would it take you to pay back the expense of junking your present natural gas furnace and getting a higher efficiency model?

Make an estimate with this calculator.
 Furnace Information
Estimated Efficiency of Present Furnace:
Don't know efficiency?  Guess here
%
Cost of New Furnace:
(varies widely with efficiency)
Efficiency of Proposed New Furnace: %
Tax Credit for buying Energy Efficient Furnace:
Estimated Natural Gas Cost Last Heating Season:
(Enter a number or use calculator below to make estimate)
Calculator to Estimate Your Last Years Heating Costs
Highest Monthly Gas Bill
Lowest Monthly Gas Bill
State You Live In