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Old 10-11-2016, 09:00 PM   #1
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Another dumb question - heat pump VS gas heater

OK, so we looked in the manual for the answer, but like many things, we are not finding it.

We ordered our coach with the heat pump - it was my understanding that it works off electricity, and the regular furnace setting works off propane. I believe there are other things that make the heat pump different, but the electric VS propane is our big question.

ALSO, can you just be plugged into 110 (not a 30 amp service) and run the heat pump?

As always, thanks!!!!


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Old 10-11-2016, 09:23 PM   #2
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heat pump is basically running your AC in reverse. Outside gets cold, inside gets hot. So yes. I would say you could run it off the same electric you can run your AC.

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Old 10-11-2016, 09:26 PM   #3
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A heat pump is basically an air-conditioner that runs in reverse. It extracts heat from the outside and blows it inside while an air conditioner extracts heat form the inside and blows it outside.

The colder the outside temperature, the less efficient the heat pump is. At very cold temperatures you are better off using propane in an RV to get the interior up to a comfortable temperature.

A 30 amp service is 110 volts (actually 120 volts ac). To determine if you can run it on a 20 amp line at your home, you'd have to know how much current the heat pump uses.
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Old 10-11-2016, 09:43 PM   #4
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Heat pump break-even temperature is about 40F.
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Old 10-11-2016, 10:08 PM   #5
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When the outside temp is below 40 degrees you will need another heat source, electric fireplace, electric oil heater (great constant heat, just hard to store when not in use). A heat pump will pull the same amps as a AC so it would be best to be on 30A service. I don't have a heat pump and just use the furnace to heat the RV fast and then switch it off and maintain the temp with an electric heater. You can use the furnace (propane) without being on 110V service providing you have ample battery since the fan will be running. The best advice is don't go where it is cold, HA.
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Old 10-11-2016, 11:03 PM   #6
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and the heat pump is a lot noisier than the propane furnace! it's fine for taking the chill off when first arriving at a campground in the spring or fall but we will use a small ceramic space heater or the propane furnace when it's bed time!
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Old 10-11-2016, 11:27 PM   #7
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A heat pump is a AC unit with a reversing valve, the very best a heat pump can do is rase the ambient air temp 20* without emergency heat strips. A propane furnace will rase the ambient air 40 to 80*. because it is an AC unit you need ah family heavy circuit to run it or you run the risk of ruining your compressor or blowing circuits.
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Old 10-12-2016, 12:17 PM   #8
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Heat pump

You will need 30 amp service or it will blow breaker after the wires heat up,also works very well unless its real cold outside. Real cold to me is mid thirtys or lower.Maybe a bit warmer 38 degrees or so
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Old 10-12-2016, 12:59 PM   #9
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If you set your unit on Heat fir the heat pump (ours is the front unit; rear is AC only), the heat pump will warm until outside temp hits 32F. At that point, it will automatically switch over to the gas furnace. Best thing about the heat pump is you can warm things up when it's not too cold and not use up all your LP. Also, when we're in a season or location where you may need heat in the morning and cool in the afternoon (like a Texas!), we set the heat pump to auto mode and all us well for the pooch staying in the coach when we're gone.
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Old 10-12-2016, 05:10 PM   #10
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Thanks for all the replies. We've got it figured when and when not to use it, and it sounds like I can't just plug it into the regular old outset on the side of the house to run heat pump - need 30 amp hook up for that... bummer.


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gas, heater, pump

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