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Is it possible to test a boiler efficiency?
Is it possible to test a boiler's efficiency?
I have a 20 some odd-year-old burnham boiler in my basement. Someone came over last year and was checking it out. They drilled a hole in the exhaust and put a probe in there to test the efficiency and said that it was if performing as it is supposed to. ( what that means I don't know, they never explained)
Just curious if that really means anything or did I just get snookered?