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Actual savings over steam heating
I have posted below two utility bills covering two years of steam heating versus two years heating with mod-con of a cathedral in Montréal where our design temperature is -20F! Please look at the volume in cubic meters and not the dollar value! The steam system was properly maintained fire tube boiler system. In every conversion from steam to mod-con, we have achieved similar savings with an INCREASE in occupant comfort!
For they naysayers, please provide actual energy documentation as I have shown over 4 years!