Best 12V Air Conditioning Options for UK Caravans (2025 Update)

❄️ Best 12V Caravan Air Conditioner Options for 2025

🥇 1. Truma Aventa Compact (with Inverter Setup)

While not a native 12V unit, the Truma Aventa Compact is one of the best caravan AC UK choices when paired with a quality 12V inverter. It offers:

• Quiet cooling performance

• Lightweight, low-profile roof installation

• Smart compatibility with Truma iNet system

Perfect for: Mid-sized caravans or motorhomes with a 12V inverter setup.

[Shop Truma Aventa Compact] → see here

🥈 2. Mestic Roof Top Air Conditioner RTA-1700L

The Mestic RTA-1700L is a sleek and reliable rooftop air conditioner built for compact motorhomes, campervans, and caravans. It delivers consistent cooling while maintaining a low power draw—ideal for summer getaways in the UK.

• 1700W cooling output

• Energy-efficient and quiet operation

• Modern low-profile design

• Simple remote control functionality

Best for: Smaller leisure vehicles and UK campers looking for effective cooling without sacrificing roof space.

[Shop Mestic RTA-1700L] → see here 

🥉 3. Dometic FreshJet FJX4 2200

The Dometic FreshJet FJX4 2200 is a powerful, compact rooftop air conditioner designed specifically for caravans and motorhomes. With a soft-start feature and built-in heating function, it's perfect for year-round UK touring.

• 2200W cooling capacity for mid-sized vehicles

• Integrated heat pump for chilly evenings

• Modern black finish and compact footprint

• Soft-start tech for low-amperage campsites

Best for: Caravanners seeking a stylish, energy-efficient system that delivers both cooling and heating.

[Shop Dometic FreshJet FJX4 2200] → see here

🌞 Off-Grid Cooling Tips

Even with a 12V AC, good passive cooling makes a difference:

• Use reflective thermal blinds

• Ventilate with roof fans during evening

• Park in shade and open doors strategically

• Add a solar panel to boost charging on hot days

🏁 Final Thoughts

If you're serious about comfort while travelling off-grid, a 12V caravan air conditioner can be a game changer. For 2025, the Truma Aventa Compact, Mestic RTA 1700L, and Dometic FreshJet offer the best blend of performance, portability, and efficiency for UK caravanners.

Need help choosing? Contact our team  for expert advice and installation support.