Mini-split vs gas boiler for heating - Home Improvement ...
2017-11-23u2002·u2002I've been considering using them for heat, either primarily or as an assist to my 25 year old gas boiler for a forced hot water radiator system in a reasonably well-insulated 100 year old house. I pay about $1.50 per therm for gas, and about $0.11/KWH for electricity.
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