Coefficient of performance at 3 is under ideal conditions so don't expect to actually see it. One other thing people don't realize is when it gets frigid like it has this week a heat pump is less efficient than the resistance heat strips the emergency heat uses. Any heat pump will check the coil temp every thirty minutes, hour, or hour and a half to see if it needs defrosting. With the frigid temps we've seen this week it will go into defrost and switch to ac every time it checks. The heat pump uses the same amount of power whether it's running in heat mode or ac mode BUT every time it goes into defrost you are also using the heat strips to counter the ac. That's when it's using more power than plain old resistance heat.
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Today's Featured Article - 12-Volt Conversions for 4-Cylinder Ford 2000 & 4000 Tractors - by Tommy Duvall. After two summers of having to park my old 1964 model 4000 gas 4 cyl. on a hill just in case the 6 volt system, for whatever reason, would not crank her, I decided to try the 12 volt conversion. After some research of convert or not, I decided to go ahead, the main reason being that this tractor was a working tractor, not a show tractor (yet). I did keep everything I replaced for the day I do want to restore her to showroom condition.
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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