The Ultimate Guide to Motorhome Air Conditioning

Motorhomes offer a sense of freedom and adventure, but comfort is key to truly enjoy your travels. One essential aspect of this comfort is maintaining the right temperature inside your motorhome, which can be achieved with an efficient air conditioning system. This comprehensive guide will help you understand everything about motorhome air conditioning units, from their necessity and types to maintenance tips and top recommendations.

Table of Contents

  1. Do You Need Air Conditioning in Your Motorhome?
  2. Types of Motorhome Air Conditioners
  3. Top Recommended Motorhome Air Conditioners
  4. Maintaining Your Motorhome Air Conditioner
  5. Conclusion: Making the Right Choice for Comfortable Travels


A motorhome journey is all about exploring new places while enjoying the comforts of home on wheels. While the thrill of adventure keeps us going, it’s equally important to ensure that our mobile abode offers optimal comfort during both travel and rest periods. One crucial element that significantly impacts this comfort level is the temperature inside your motorhome – something that becomes particularly relevant in hot climates or during summer travels.

This guide aims to provide you with all necessary information about motorhome air conditioning systems – understanding if you need one, exploring different types available in the market, learning how to maintain them for long-term efficiency, and reviewing some top recommendations based on performance and user reviews.

Whether you’re a seasoned traveller looking for an upgrade or a newbie setting up your first motorhome, this guide will equip you with valuable insights into choosing the right air conditioner for your needs.

Do You Need Air Conditioning in Your Motorhome?

Whether you need an air conditioner in your motorhome depends on several factors:

  • Climate of the region – If you mostly travel in hot or humid climates, an AC unit is almost essential to keep the interior cool and comfortable. However, if you mainly explore temperate regions, opening windows may suffice for ventilation.
  • Frequency of use – If the motorhome is your full-time home or you take long vacations in it, the comfort of AC would be worthwhile. For occasional short trips, other cooling methods may work.
  • Health considerations – Those with allergies or breathing issues may need AC to filter the air and prevent issues.
  • Sleep comfort – Air conditioning helps regulate temperature at night for better sleep. This is especially important if you travel with children or the elderly.
  • Budget – Air conditioners involve an upfront cost and consume extra energy. Available funds may determine if the expense is viable.
  • Existing ventilation – If your motorhome lacks windows or they are ineffective, an AC unit can circulate the air.

Carefully weigh the above factors as per your individual needs. Air conditioning offers definite benefits but may not be an absolute requirement for all.

Types of Motorhome Air Conditioners

Motorhome air conditioners come in three main configurations:


These are installed on the roof and provide the most cooling power. Permanent installation is required. Benefits include:

  • Powerful cooling capacity
  • Frees up interior space


Installed under seats or cabinets inside, these are discreet and good for low clearance. Benefits:

  • Compact and space-saving
  • Lower center of gravity


These standalone portable units offer flexibility in placement. Benefits:

  • Can be moved around easily
  • Storable when not in use
  • Affordable price

Top Recommended Motorhome Air Conditioners

Based on performance, features and user reviews, here are some top motorhome AC units to consider:

Dometic FreshJet 2200 – Popular roof-mounted unit with 2200W cooling and 1200W heating. Suitable for motorhomes up to 7m.

Truma Aventa Comfort – Roof-mounted with high 3360W cooling output. Ultra quiet operation. For motorhomes up to 8m.

TotalCool 3000 Portable – Compact portable evaporative cooler with multiple fan speeds. Runs 30+ hours on 1.5L water.

Maintaining Your Motorhome Air Conditioner

To ensure optimal performance and lifespan, maintain your motorhome AC with:

  • Regular filter cleaning – Clean air filters monthly to allow proper airflow.
  • Refrigerant level checks – Low refrigerant reduces cooling, so check levels yearly.
  • Coil cleaning – Use a soft brush to remove dirt and debris from coils.
  • Leak checks – Inspect for leaks which require prompt repairs.
  • Annual servicing – Have a professional inspect and service the AC annually.

Conclusion: Making the Right Choice for Comfortable Travels

When selecting a motorhome air conditioner, carefully consider your travel style, climate, budget and needs. Any of the AC unit types can effectively cool your motorhome’s interior for comfortable journeys. Seek expert advice and recommendations too. With a suitable air conditioning system, you can better enjoy your motorhome travels despite hot weather or humid conditions.