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vermontitguy t1_j6idk3u wrote

Put in mini-split heat pumps last summer. Haven't needed to fire up the oil burner yet this season, but it hasn't been below 15 degrees yet. This weekend will be a real test. My electric bill has been $320 for the past two months. In October without heat or AC, it was $165. So heat is costing about $155/month right now. I think oil would have been double that.

This summer, I'm considering adding a solar system and possibly a heat pump water heater to replace my electric water heater. House is 2500 sf, but we don't heat the lower level which is mostly below grade and stays around 55 degrees.

The mini-splits are made by Haier. I like them, but the thermistor on two of the three head units are wildly inaccurate, so it's been difficult to regulate the temperature. The contractor has been slow to get the thermistors replaced.

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jaylaxel t1_j6jgvl1 wrote

I also have Haier. I've moved the thermistor so it sticks out the top of the unit (looks like a little black antenna from far away) and that seems to have helped with the accuracy.

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vermontitguy t1_j6jp341 wrote

Thanks so much for this idea. I'm doing that as soon as I get home from work today.

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