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Old 11-14-2018, 08:29 PM   #1
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Default 12V Compressor Refrigerators

I have a 2001 Dodge Roadtrek 190 with a 3 way Dometic refrigerator and am looking at replacing it with a 12V compressor type. Anyone know the cut-out dimensions? Any one replace there's and have any suggestions? Thanks.
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Old 11-15-2018, 12:39 AM   #2
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Can you find a model number for your current refrigerator? Then do some internet searching for dimensions
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Old 11-15-2018, 12:42 AM   #3
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I did find some dimensions but I'm also looking to see what others replace theirs with and if they had any luck with them.
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Old 11-15-2018, 02:25 AM   #4
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What is the advantage to the 12v compressor fridge?
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Old 11-15-2018, 03:17 AM   #5
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Not having to be as level and not having to mess with getting propane burner lit. Also more consistent temperatures
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Old 11-15-2018, 03:21 AM   #6
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Originally Posted by bigfelipe View Post
What is the advantage to the 12v compressor fridge?

All things being equal, compressor fridge is more reliable at maintaining set temperatures since in runs like your home fridge on 20th century technology, not 19th century technology.

My 3.1cf Nova Kool does not drain my two batteries overnight, even running lights, tv/dvr, furnace (or Maxxfan, depending on temperatures). However, I've taken steps to reduce battery drain by making everything 12v so I do not use the inverter, ever.

But, RV manufactures continue to install both absorption and compressor fridges without adequate venting or cooling fans. See this thread for more discussion on that topic: http://www.classbforum.com/forums/f8...html#post83646

Either type can do the job, if working properly, and with correct ventilation. Likewise, both can have problems if the cabinet area they are installed in gets too hot.
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Old 11-15-2018, 11:46 AM   #7
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We replaced our propane fridge with a compressor fridge. We had to re-align cabinetry, but it was one of the best mods we've ever done. You can read about that job here:

https://interstateblog.blogspot.com/...airstream.html
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Old 11-15-2018, 12:14 PM   #8
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THE Reason an absorption refrigerator exists is because there is not enough reliable electrical power.

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Old 11-15-2018, 01:09 PM   #9
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I am always a little puzzled at these threads on absorption vs compressor. Over 36 years and with one C, two "B+"s and four Bs I have never had problems with absorption refrigeration. Perhaps I am just lucky. Perhaps it is that I maintain them well.

I know two things for sure. One, we mostly boondock and level not for the refrig but our own comfort. Two, we live in a HOT part of the country. Please come join us in Oklahoma for July and August if you are in doubt.
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Old 11-15-2018, 01:31 PM   #10
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Quote:
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I am always a little puzzled at these threads on absorption vs compressor. Over 36 years and with one C, two "B+"s and four Bs I have never had problems with absorption refrigeration. Perhaps I am just lucky. Perhaps it is that I maintain them well.
Well, I've owned both. Of course you can make an absorption unit work after a fashion, and if you like you can define this as "never had problems".

If I had to live with an absorption unit again, I obviously could. But, the performance of compressor units is SO superior that I would never, ever go back to absorption if I had any kind of a choice.
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