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Posted by Bob T. on February 08, 2005 at 16:33:13:
I am in the process of replacing an 1967 era oil fired Weiss Boiler. It is 115,000 btu. Does anyone know the approximate efficiency of this old boiler? I am considering replacement with an electric boiler. The cost of residential heating is about $0.033 per kwh. I'm just trying to zero in on the required btu.