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Old 08-26-2016, 01:12 PM   #1
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Brand: Thor Motor Coach
Model: 37GT
State: Florida
Posts: 808
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Thumbs up Residential Frig & Overnight Use

I think I know the answer to this but I wanted to confirm what I am thinking since this will be our first RV with a residential frig.

Unit we will probably take delivery on early next week is a 2014 Challenger 37GT. If you travel all day with gen set running, then stop overnight dry camping but don't run your gen set for example between the hours of 9pm and 7am, will these residential frigs run that long off your battery bank, or will you run your batteries down to nothing?

By the way, after having RV frigs I can't wait to own a MH with a residential one!
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Old 08-26-2016, 01:18 PM   #2
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Brand: Thor Motor Coach
Model: Axis 24.1
State: Michigan
Posts: 8,129
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There is a lot of discussion about this in this thread:
Adding Coach batteries
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Old 08-26-2016, 02:58 PM   #3
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Brand: Thor Motor Coach
Model: Hurricane 35C
State: South Dakota
Posts: 1,132
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You should be fine running the fridge overnight after running the genset all day. Once the fridge is powered on (the compressor starting is the single biggest power draw of a residential fridge) it doesn't take that much to keep the fridge running on a per-amp-hour basis.

We dry camp all of the time and overnighting is pretty easy. I don't recommend using other electronics at the same time though (so charging phones, laptops, or watching TVs or recording videos, etc.) as they will draw power as well and potentially run down the batteries. Remember also that the batteries are also powering the 12V side of the house, so lights, furnace, etc. may impact battery usage on top of the AC use. Once you know your power budget, you may want to opt for some solar panels to help keep your batteries topped off during the day without using the genset.

When we purchased our new Hurricane, we had the dealer add two more house batteries for a total of 4. We also added 400W of solar panels to charge during daylight since some places may restrict your ability to run the genset. Plus it is more efficient and uses less fuel.
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