Not trashing this idea, would be interested if the cost is worth it. But will 24k btu will heat a whole shop? Assuming a minimum of 30x30x10? Sounds like it would barely make a dent in it during cold month. Maybe I am just a skeptic because it's not something I've heard of people doing much. I know the heating type is different, but I know how much (or how little) heat a 20k-30k btu blue flame wall heater puts out and it wouldn't do much in a 900+ sq ft shop, especially if walls were tall, during sub 30 degree weather. Striving for 50 degrees inside shop during winter with a $1500 unit plus power bill expenses sounds like a low shot? Had a couple buddies with bigger insulated metal buildings and one wood stove, and it will easily get hot enough to need to go crack the door open to cool it off a little inside, during dead winter. Granted a good wood stove and this split unit costs about the same, and you have to keep wood on hand for a stove vs flicking a switch on a split unit. Hmm....I like convenience, but if I'm gonna spend $1500 for a heat source, I'd want it to be damn good at what it does.
Now if more units, or bigger units are needed to heat sufficiently, then we're back to the rich people solution as I mentioned earlier lol.
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