May 28, 2019 · 4. Waeco CoolMatic CRX50. First on our list of the best campervan fridges is the Waeco CRX50. This is a 45-litre compressor fridge and includes a 4.4-litre freezer, meaning you don’t have to give up ice cream when you hit the road! This fridge measures 17x53x38cm and is designed to fit neatly under the counter.