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Vent the electric compressor fridge to the inside of the camper. There will not be a problem in the warm weather as you will either run the A/C or vent with the windows open and the vent on the roof (maybe with a fan). The added heat from the fridge will be insignificant. Every vent to the outside creates another place for leaks and bug ingress.
All I have ever had in my Scamp has been electric compressor refrigerators and it has never been a problem with the added heat, Of course we generally are hooked up and we have solar power for off grid.
New Fridge Options
| Make | Model | Picture | Power | Dimensions | Price | Fit? | Link |
|---|---|---|---|---|---|---|---|
| Bodaga | 45L |
| 12v/60W | 56D x 44.7W x 61.5H cm 22.1D x 17.6W x 24.2 inches | ~$540 | Nope
| |
| Bodaga | 65L |
| 12v/60W | 47D x 43.1W x 63H cm 16.96D x 18.5W x 24.8H inches | $599.99 US? | Maybe | |
85L |  | 12v/60W | 45.5D x 48.5W x 79H cm 17.91D x 19.09W x 31.10 inches | ~$800 | Nope
|
References
| Reference | URL |
|---|---|
| Dometic DC Fridge Installation Guide | |
| Do electric fridges need vents to the outside? | https://www.fiberglassrv.com/forums/f55/do-electric-fridges-need-vents-to-the-outside-93059.html |