Posted by S. Hemami on March 10, 2001 at 04:24:55:
My 60-year old boiler has failed and I am replacingit. How much more energy efficient will a new boilerbe? Can I expect it to pay for itself in 5 years?10 years?
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Comments: : My 60-year old boiler has failed and I am replacing : it. How much more energy efficient will a new boiler : be? Can I expect it to pay for itself in 5 years? : 10 years?