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Old 10-18-2021, 09:13 PM   #1
Spartan Chassis
Join Date: Jul 2018
Posts: 72
2004 heat pump temp range?

I am trying to do some end of season renovations on the 2004 and since it came with no manuals I am wondering how cold can it be outside before the heat pumps are not worth using and I should use the furnace. We are still getting day time well over 50 but that four letter word 'snow' has been mention as an over night possibility later this week. I know the units made for homes now work well below 32 but not sure about these older units.
2000 Fleetwood Bounder 34D 04 Travel Supreme 40DS04 400 Cummins ISL
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Old 10-18-2021, 09:26 PM   #2
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Spartan Chassis
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Location: Fort Worth
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My heat pumps stop producing heat when it gets below 40. Even if they worked below 32 I would still turn on the hydrahot to heat the water tanks in the basement.
2004 38DS04 Travel Supreme
Cummins 8.3 ISC 350HP
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Old 10-18-2021, 09:36 PM   #3
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Mine will keep trying to make heat below 40, but it just does not have the capability to heat the coach in those temps. I just switch over to the furnace at 40 degrees and falling. Switch back at around 45 degrees and rising. Keeps us comfortable. We also use a small ceramic heater at times.
Zeb and Teena
2005 Mandalay, 2013 Ford Edge
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Old 10-21-2021, 04:24 AM   #4
Spartan Chassis
Join Date: Jul 2018
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Thank you, I will use the furnace and get things done ASAP before moving to winter storage.
2000 Fleetwood Bounder 34D 04 Travel Supreme 40DS04 400 Cummins ISL
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Old 10-21-2021, 09:59 AM   #5
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First thing is RV heat pumps are not designed like home heat pump units. If the temperature will drop to 40 or below during the night, we turn off the heat pumps and operate a couple of small ceramic space heaters and set the furnace to come on if needed. In freezing weather (which we avoid), the furnace is operated to keep the basement warm.

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heat, heat pump, pump

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