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Posted by HeatPro on November 20, 2008 at 13:18:34:
In Reply to: Heat recovery posted by Rob Lund on November 20, 2008 at 12:17:47:
You don't know what the exchanger on the exhaust vent will do to the draft. It is a problem that can be completely yours as the only engineer.
We don't even know what kind of boiler fuel it is or what design type to make a guess. As it is 80 years old, it has been wasting 1/3rd its heat for four generations in comparison with a new one.
If you want to heat the basement with no redesign, take insulation off the boiler so the heat from the wall of the boiler heats the room.