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SomeConstructionGuy t1_j7uqfvh wrote

Reply to comment by Some_Mediocre_Guy in Seeking Advice: Boiler by Some_Mediocre_Guy

Properly sized they won’t struggle until well below zero.

They are expensive. You get free AC though and heating costs will less than half average oil, closer to 1/4 to 1/3 this year.

Replacement parts aren’t hard if you pony up for a reputable brand. (Mitsubishi, daikin, maybe Fujitsu)

Technically their efficiently isn’t dependent on how well insulated your home is, it’s simply dependent on indoor/outdoor temp. Their cost install and to operate is though. And their cost to install is more directly proportional to size unlike fossil fuel boilers. This makes insulating and installing smaller heat pumps more immediately beneficial than insulating and installing a new boiler.

Edit: not trying to sell you on them. They are expensive to install and not to everyone’s preference. Just wanted to provide info so you can make an informed decision!

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deadliftothersup t1_j7vfjkk wrote

And the poor insulation/inefficiency argument also applies to heating one's house through any heat source if we are talking ability to keep a house warm. Upping insulation should be the very first thing everyone does especially in older homes regardless of heat source.

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