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Old 06-21-2013, 04:46 PM   #1
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Propane tank question

We'll be driving cross country and will be using the propane to power our refrigerator till we get to the next campground.

Can someone tell me how long a tank of propane lasts to keep a fridge cold between campgrounds - roughly 6 - 9 hours between each campground.

Thanks.
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Old 06-21-2013, 06:08 PM   #2
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In other discussions on these forums, I've gathered that gas-absorption refrigerators are very miserly when it comes to propane usage.

There've been lots of threads on this but this post seems reasonable:

How much propane does average Fridge burn in 24 hours?

If he is correct, the refrigerator running constantly (for 24 hours) which it won't be, would use one gallon in 38-hours. Let's assume seven gallons of propane available, that would be 11-days? But since it is cycling on and off pertaining to using propane, let's say it runs 8-hours out of a 24 hour period, it should last 33-days? Are my calculations correct?

~~mandy
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Old 06-21-2013, 06:18 PM   #3
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I'll agree with Amanda, if only the fridge is in use on a 7 gal ( 30LBS for the Canadians in the crew) A tank should last weeks and probably a month. Furnace is the #1 , propane user HW #2, cook top / fridge , depends on how much you cook.
Lori , hasn't posted if she has a TT, 5th , Class C or A. TT/ 5th she should have 14gals available , C , 21 gals or more A , 30 gals or more.
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Old 06-21-2013, 08:25 PM   #4
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Our 8 cubic foot fridge runs on propane 24/7 (we boondock all the time), and we go through one 7 gallon propane tank every 3 weeks. We aren't big chefs, so we probably use the stove/oven/grill less than most people. However, we often run our propane heater on summer mornings in the mountains.
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Old 06-21-2013, 09:41 PM   #5
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Not sure how much propane the fridge uses, But the last time we dry camped we started with approx 1/2 a 30lb tank and on the 8th day we ran out. This was with the water heater, stove and fridge being used.
I would agree with others that you should get at least 3 weeks usage.
Bill
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Old 06-21-2013, 10:25 PM   #6
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Refrigerators use minimal amount of LP, far less than cooking or heaters. We've gone 11,000 miles over 4 months and we didn't run out of propane. You have to "manage it", in campgrounds you should be running the fridge on AC, a gas gauge on the propane tank showing its fill status is very useful. Most fifths have two tanks which are valved to run one at a time. When one runs dry you switch to the other and refill the empty one. You might have to restart the fridge if you ran empty, but no harm will be done, if you don't open it, the food will be fine for number of hours. Unless you tank was close to empty, 8-9 hours on the road is nothing to run a fridge on LP.

hjs
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