I learned this trick simply by looking at newer RV type refrigerators. The 3-way Dometic fridge in my camper works, but I didnt think the lower side (non freezer) was really cold enough.

In my boat, the freezer section does not have a door. You just put what you want frozen in the area and its circled by the cooling rings. The rest of the box gets cold via induction. My older Dometic has a freezer door.

This last trip to Glamis, I took the freezer door off my Camper fridge, and boy am I happy. The freezer still keeps stuff frozen (I dont k now about freezing stuff from room temp) and the lower part is MUCH colder now. Its so good, I was able to turn it down from 10 to 7 and stuff is still colder down below.

Give it a try for sure. If you dont like it you can always put the little door back on.

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I pulled a fan out of an old computer tower to blow on the louvers of my fridge.  All those fans are 12v so running a small wire out the fridge door and tapping an existing 12v chassis wire in the wall was simple.

 

The fan keeps the ice build-up WAY down and really keeps the temps even throughout the entire fridge box.  MUCH more efficient - temp control is set way low or it starts freezing everything.

 

 

just noticed this post. this is very clever!
I've had decent success on cracked older plastic (like in a fridge or cooler etc.) coating the cracks with epoxy, it pretty well stops them from growing. As far as cooling, about I recall from Thermodynamics in enginnering school at Purdue was "Heat lost = heat gained" Theres no such thing as cold, just absence of heat (suns in the sky but theres no ice cube last time I checked) and you want the ice chunk to absorb the heat in the cooler and you DO NOT want outside heat gettin in there lol MORAL OF THE STORY, THE BETTER INSULATED THE COOLER IS THE BETTER........ Anyway possible to use insulation wrap (like they use on home water heaters) or any sort of heat barriers????????? Far as I know (but Im an EE not an ME) about all you can do is better insulate the cooler...................

Ol John T and all

With Gas/Electric Dometic fridges, they are the worst at working when u need them most, I took mine out and installed 2 110 V. fridges with LOW wattage so solar panels keeps them running. Installed a small fan in back wall to vent the heat out the vent on side of RV,, has worked for 12 yrs with no problems.

what runs them at night?

Oh yea, fergot to mention that,,  Battery bank with inverter. Have 4 Gell cells. (12 volt) Voltage drops to 12.9 from 13.8 and went 4 days without sunshine and batteries were still at 92%.

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