I recently looked into installing a heat pump mini-split system to

heat and cool our house. While it's expensive to install, I had

thought a combination of it being nicer than what we currently have

and cheaper to operate would make it worth it. Unfortunately, after

running the numbers on our utility costs it turns out it would be

substantially more expensive to power than our current gas system.

I got excited about a potential heat pump system after learning that

over the past few years their cold-weather performance has improved

dramatically and then that MA would provide a $20k subsidy ($10k for

each of two units) for us to switch over. I liked that it would allow

us to adjust the level of heating we had in each room, provide heat to

one room that currently is only heated passively through the walls,

replace the [...]

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February 9th, 2024

https://www.lesswrong.com/posts/fDsTKgXq5Ty85d4G9/running-the-numbers-on-a-heat-pump

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