Campervan & motorhome equipment · United Kingdom

Campervan & Motorhome Air Conditioning

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Read the buying guide

Roof, under-bench, split and battery-powered air conditioning for vans and motorhomes, listed with the figures that decide whether a unit suits your build: cooling output, current draw and roof cut-out.

Hook-up or battery?

Most air conditioners here run on 230V, which means campsite hook-up, a generator or a large inverter. What your pitch can supply matters: at 230V a 6A hook-up gives about 1,380W in total, 10A about 2,300W and 16A about 3,680W. A unit drawing 4.5A leaves around 1,200W free on a 10A pitch; one drawing 7A needs more than a 6A pitch can give.

If you want cooling away from hook-up, look at our 12V and 24V air conditioners. They run from the leisure battery, which then needs to be large, with serious charging from the alternator and solar. Run the numbers through the Roam Wired calculator before you choose.

Match the unit to the vehicle

Unit Cooling Heating Supply Vehicle length
Dometic FreshJet FJZ4 1500 1,500W No 230V, 3.1A About 5m
Waeco WAC2200 2,200W No 230V, 4.5A Up to 7m
Dometic FreshLight 2200 2,050W 2,700W 230V Up to 7m
Dometic FreshJet FJZ4 2200 2,200W 1,000W 230V Larger vans and motorhomes
Waeco WAC2600 2,600W No 230V, 6A Up to 8m
Waeco WAC2600i 2,600W 2,300W 230V, 7A Up to 8m
Dometic FreshWell FWX4, under-bench 2,000W Up to 2,500W 230V, 7.2A max Up to 8m
Quest Ice Chill, split 1,460W 1,460W 230V, 2.5A Caravans and motorhomes
Indel B Plein-Aircon 1,200W No 12V Up to 6m
Dometic CoolAir RTX 1000 1,100W No 12V Vans and light trucks
Dometic CoolAir RTX 2000 2,000W No 24V 24V vehicles

Vehicle lengths are the manufacturers' guidance for insulated vehicles. A well-insulated van needs less cooling than the figure suggests; a sunny windscreen and uninsulated doors need more.

Roof, under-bench or split?

  • Roof units are the most common. Most fit a standard 400 × 400mm roof opening, the same size as a typical rooflight, and blow air through a ceiling distribution box.
  • Under-bench units such as the Dometic FreshWell live in a seat locker and duct air to outlets. They keep the roof clear and the weight low, at the cost of storage space.
  • Split units such as the Quest Ice Chill keep the compressor outside and need no roof hole at all.

What fitting involves

For a roof unit, check the cut-out size, the roof thickness range and the weight your roof can carry. Budget for the ceiling distribution box where it is sold separately; we offer it as a package on each unit. Anything on 230V should be installed or signed off by a qualified electrician. Send us your vehicle and layout and we'll check what fits.