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Posted by HeatPro on December 31, 2007 at 22:21:08:
In Reply to: Old Richmond Boiler posted by NK on December 31, 2007 at 20:34:11:
While it's nice to know the history of antique boilers, it isn't very useful, as boiler service is very common to most.
It makes a LOT of sense that fuel bills will be high in an uninsulated antique house with an antique boiler below 50% efficiency. That is why the insulation requirements of 1992 make houses use 1/4 the energy of antiques.