Originally Posted by
Ryan Yeaglin
Heat pumps should not even be considered unless you live in the south, they are not efficient and not ment for northern temperatures.
Keep in mind that MiniSplits are heat pumps and they are extremely efficient, even in our area. Mine has barely blipped our electric bill over the past two years and it's either heating or cooling. My shop is rarely un-conditioned. My particular unit is good to -5ºF and units are available that do better than that. My summer efficiency is 20 SEER which is easily exceeded by multiple units on the market.
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The most expensive tool is the one you buy "cheaply" and often...