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SynbiosVyse t1_j09zlt1 wrote

Reply to comment by modernhomeowner in Is it more efficient for me to heat my home with my ductless mini split or my old boiler? by CatoFriedman

Yeah I agree. I made a similar post a few days ago saying my gas boiler seemed more economical to run than my heat pump after some anecdotal testing and I got eaten alive.

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modernhomeowner t1_j0a09jp wrote

Gas as in Natural Gas? Yes, that's much cheaper if you have the same electric rate as the OP. Much cheaper! Assuming again a bad efficiency of 80%, a 2.6COP, natural gas would need to be under $4.35 a therm, which Eversource is $2.51. if you have a 92% efficiency, you'd be at $5 equivalent, so natural gas would be half the cost of the heat pump.

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