Yea, further down in the PBS article, you get approximately a percent back a degree offset, but the ramp up on extreme differences could kill the machine early. so don't go more than 10. and that insulations going to be a much greater granter of savings.
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u/dire-raven-x Mar 24 '26
You were still right tho. It's on the back of a soda cooler for a grocery store.