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Open Roads Forum  >  Class A Motorhomes  >  General Topics

 > Refrigerator question for you class A campers

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steveandjil

Southern Arizona

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Posted: 12/18/19 08:51pm Link  |  Quote  |  Print  |  Notify Moderator

We have had a Winnebago View class C for about 5 years, and a 5er for the decade before. We think at times of a larger class A for part timing in retirement. Many have commercial refrigerators. How do you keep your food cold when camping in a no hookup CG such as a national park. Can’t run the generator 24/7.

Thanks,

Steve


Steve Schwartz

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ScottG

Bothell Wa.

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Posted: 12/18/19 08:56pm Link  |  Quote  |  Print  |  Notify Moderator

Lots of batteries and I think you mean residential, not "commercial".


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steveandjil

Southern Arizona

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Posted: 12/18/19 09:11pm Link  |  Quote  |  Print  |  Notify Moderator

Yup meant residential. So the batteries are just run through a big inverter I assume. Can you go a day between generator runs in hot weather?

ScottG

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Posted: 12/18/19 09:14pm Link  |  Quote  |  Print  |  Notify Moderator

Sure - with enough batteries [emoticon]

Lwiddis

Mojave, Kern County, California

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Posted: 12/18/19 09:19pm Link  |  Quote  |  Print  |  Notify Moderator

Why think only about a generator? Solar recharging isn’t experimental or a toy. Most days you’ll be completely recharged with adequate system...batteries, controller, solar panels and properly sized wire. Start with an energy survey to determine your amp hour needs.


Winnebago 2101DS TT & 2020 Chevy Silverado 1500 LTZ Z71, 300 watts solar-parallel & MPPT, Trojan T-125s. TALL pole for flags. Prefer USFS, COE, BLM, NPS, TVA, USF&WS, state & county camps. Bicyclist! 14 year Army vet - 11B40 then 11A - (MOS 1542 & 1560)


Dale.Traveling

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Posted: 12/19/19 03:23am Link  |  Quote  |  Print  |  Notify Moderator

steveandjil wrote:

We have had a Winnebago View class C for about 5 years, and a 5er for the decade before. We think at times of a larger class A for part timing in retirement. Many have commercial refrigerators. How do you keep your food cold when camping in a no hookup CG such as a national park. Can’t run the generator 24/7.

Thanks,

Steve


A battery bank properly sized to support the house loads for 24-36 hours, energy conservation, a few 100 watts of roof solar helps reduce generator dependency, generator use to recharge the bank in the morning and evenings.


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Bruce Brown

Northern NY

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Posted: 12/19/19 04:44am Link  |  Quote  |  Print  |  Notify Moderator

Today's modern refrigerators use so little electricity compared to the older ones it seems to not be an issue for most.

A few years ago I put a new cooling unit in our LP fridge. If I were doing it again I'd just put in an electric one.

We recently did that in my buddies off-the-grid hunting camp. The new electric with limited generator usage works much better than the propane one we took out.


There are 24 hours in every day - it all depends on how you choose to use them.
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wildtoad

Blythewood, SC

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Posted: 12/19/19 04:59am Link  |  Quote  |  Print  |  Notify Moderator

You planning on being out in the Arizona sun in the summer and run fridge on batteries? You OK inside a MH with no AC?


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wa8yxm

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Posted: 12/19/19 05:33am Link  |  Quote  |  Print  |  Notify Moderator

I have a RV type "Absorption cooling unit" (Refrigerator) this uses HEAT to Cool believe it or not so it can run on electricity (About 325 watts in my case which is not at all efficient) or Propane.. ONly moving parts are the gas valve and fluids inside the cooling unit (Gas and liquid) Just put a new cooling unit on it after 14 years and change last Oct. (OUCH).

Now it does use 12 volts for control and ignition but it can run a long time on a full tank of propane and a full battery bank.

I also have a 2nd Freezer. this is one of the high efficiency Compressor units (Engel) Both Dometic and Norcold have offerings in this class. Mine is a chest freezer and draws a great whomping 36 watts (3 amps at 12 volts) when running. I have over 500 amp hours of battery so you get the "how long". Even a single pair of GC-2 (220 amps hours) around 3-4 days

At one time both D and N had full size RV refrigerators using this technology but I'm finding them harder to track down now.. 35-45 watts the compressor is what I call a Danfoss class (look it up) may be a Danfoss or a competitor's but that class.

However when on the move.. I burn propane.


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DutchmenSport

Indiana

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Posted: 12/19/19 08:08am Link  |  Quote  |  Print  |  Notify Moderator

If you have an all electric residential refrigerator in your camper and don't have shore power, the only way to keep the refrigerator running is with an inverter and a battery bank, or else the refrigerator is plugged directly into a generator.

In our world as it exists today, you have two methods to keep your batteries charged; solar or generator.

If you don't run your generator to keep the batteries charged, solar is the only other method. Pick your method: generator or solar. There's really no other short-cut.

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