How To Keep Your Motorhome Cool in Summer


how to keep cool in your motorhome in summer

Summer is a great time to hit the open road in your motorhome and explore new places. However, the heat can make it difficult to keep your motorhome cool and comfortable.

With a few simple tips and tricks, you can keep your motorhome cool and enjoy your summer road trip to the fullest. In this article, we’ll share some practical tips for how to keep your motorhome cool in summer.

Benefits of Keeping Your Motorhome Cool in the Summer

As summer approaches, motorhome enthusiasts gear up for their adventures. However, the soaring temperatures can sometimes dampen the spirit of travel. Keeping your motorhome cool isn’t just about comfort; it brings along a host of other benefits. Let’s delve into the various advantages of maintaining a cool atmosphere inside your motorhome during the summer months.

Enhanced Comfort

A cool motorhome ensures a comfortable living space where you can relax and rejuvenate after a day of exploration. It provides a pleasant retreat from the scorching sun, allowing you to enjoy your travels without feeling overheated.

Better Sleep

High temperatures can disrupt your sleep, leaving you feeling tired and irritable. A cool motorhome promotes better sleep by providing a comfortable temperature for you to rest, ensuring you wake up fresh and ready for new adventures.

Prevents Overheating of Appliances

Appliances like refrigerators work overtime in high temperatures, which can lead to overheating and potential breakdowns. A cool interior helps in maintaining the efficiency of these appliances, preventing unnecessary hassles during your trip.

Health Benefits

Staying in a cool environment can prevent heat-related illnesses such as heat exhaustion and heat stroke. It also helps in maintaining optimal hydration levels, as you are less likely to sweat excessively in a cool environment.

What Causes Heat in Your Motorhome?

There are a few different things that can cause your motorhome to get too hot in the summer. Here are some of the most common causes:

  • Lack of ventilation – If your motorhome isn’t getting enough air circulation, the air inside can become stagnant and hot.
  • Poor insulation – If your motorhome isn’t properly insulated, the heat from the outside can seep in and make it hot inside.
  • Sun exposure – If your motorhome is parked in direct sunlight, the heat from the sun can make it hot inside.
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Tips for How To Keep Your Motorhome Cool in Summer

If you want to keep your motorhome cool in the summer, there are a few things you can do. Here are some tips for keeping your motorhome cool in the summer:

  1. Park in the shade: Parking your motorhome in a shaded area can significantly reduce the amount of heat that enters your motorhome. Look for shady spots in campgrounds or use a portable shade canopy to create your own shade.
  2. Use Reflective Materials: Reflective materials, such as window coverings, can help block the sun’s rays and prevent heat from entering your motorhome. Consider using reflective shades or curtains for your windows and windshield.
  3. Install Insulation: Insulating your motorhome can help keep the interior cool by reducing heat transfer. There are several types of insulation available for motorhomes, such as fiberglass, foam, and reflective insulation. Consult with a professional to determine the best insulation for your motorhome.
  4. Upgrade Air conditioning: If your motorhome’s air conditioning unit is not providing adequate cooling, consider upgrading to a more efficient unit. Look for an AC unit with a high SEER rating (Seasonal Energy Efficiency Ratio) for maximum cooling efficiency.
  5. Keep Windows and Doors Closed: Keep your windows and doors closed during the hottest parts of the day to prevent hot air from entering your motorhome. Open them during the cooler parts of the day or at night to allow for natural ventilation.
  6. Use Fans and Ventilation Systems: Fans and ventilation systems can help circulate cool air and remove hot air from your motorhome. Consider installing ceiling fans or portable fans, and make sure your motorhome’s ventilation system is functioning properly.


Keeping your motorhome cool during the sweltering summer months is a top priority for a comfortable and enjoyable journey. One of the most effective ways to achieve this is through proper ventilation. Here, we will explore some simple yet effective strategies to enhance ventilation in your motorhome.

Let Fresh Air In

Start by ensuring a continuous flow of fresh air inside your motorhome. You can do this by opening windows strategically to create a cross-breeze. Consider installing roof vents, which not only let the hot air escape but also invite a gentle breeze inside. Remember, the goal is to replace the warm air inside with cooler, fresh air from outside.

Use Vent Fans

Vent fans can be a game-changer in maintaining a cool atmosphere inside your motorhome. These fans help in circulating air and prevent the buildup of heat. Install them in key areas such as the kitchen and bathroom to expel hot air and moisture effectively.

Shade and Ventilation Screens

Utilize shade and ventilation screens to keep the sun’s rays at bay. These screens not only block the heat but also allow for air circulation. You can use them on windows and roof hatches to create a cooler and more comfortable living space.

Night-time Ventilation

Take advantage of the cooler night-time temperatures by keeping the windows open. This will help in bringing down the interior temperature significantly. However, ensure to have proper mosquito nets in place to keep the bugs out.

Airing Out the Motorhome

Whenever you get a chance, air out your motorhome completely. This means opening all doors and windows for a while to let the stale air out and invite fresh, cool air in. It’s a simple yet effective way to reset the atmosphere inside your motorhome.

Tips for Effective Ventilation

  • Always try to park your motorhome in shaded areas to avoid direct sunlight.
  • Use natural wind direction to your advantage when positioning the motorhome and opening windows.
  • Consider installing vent covers that allow ventilation even when it’s raining, without letting water in.

Adequate Insulation

When summer rolls around, keeping your motorhome cool becomes a top priority. A well-insulated motorhome can be your best ally in this endeavor, acting like a shield against the relentless summer heat. Let’s delve into some practical ways to ensure your motorhome is insulated adequately to offer a cool and comfortable retreat.

Insulating Windows

Windows are often the weakest link when it comes to insulation. To prevent the sun’s rays from turning your motorhome into a furnace, consider using reflective window covers. These covers bounce back the sun’s rays, keeping the interior cool. Additionally, thermal curtains can be a great addition, offering both insulation and privacy.

Roof Insulation

The roof of your motorhome is a significant area where heat can seep in. Applying a reflective roof coating can help in bouncing back the sun’s rays, thus reducing the heat buildup inside. Moreover, consider installing a vented roof to allow hot air to escape, making room for cooler air.

Floor Insulation

Don’t overlook the floor when it comes to insulation. A well-insulated floor can prevent the heat from the ground from permeating into your motorhome. Use rugs and carpets to add an extra layer of insulation, which will also provide a cozy touch to your interior.

Wall Insulation

Walls are another critical area to focus on for insulation. Consider adding insulation panels or foam to the walls of your motorhome. These materials are excellent at keeping the heat out and maintaining a cooler interior temperature.

Door Seals

Ensure that the doors of your motorhome have good quality seals to prevent hot air from sneaking in. Check the seals regularly and replace them if they are worn out to maintain an effective barrier against the heat.

Tips for Adequate Insulation

  • Consider installing a skylight with a reflective cover to prevent heat buildup while allowing natural light.
  • Use light-colored fabrics and materials inside your motorhome, as they reflect heat better than darker colors.
  • Planting a temporary shade like a canopy outside windows can block direct sunlight and create a cooler area.

Motorhome Fans

As the summer sun blazes outside, maintaining a cool interior in your motorhome becomes essential for a comfortable journey. One of the most effective and energy-efficient ways to achieve this is by utilizing motorhome fans. Let’s explore how these handy devices can help you beat the heat during your summer adventures.

Types of Fans

When it comes to choosing a fan for your motorhome, you have several options. Here are a few popular types:

  1. Ceiling Fans: These are installed in the ceiling of your motorhome and help in circulating air throughout the space.
  2. Oscillating Fans: These fans can rotate, distributing cool air more evenly across the room.
  3. Window Fans: Designed to be fixed in windows, these fans can draw in cool air from outside or expel hot air from inside.
  4. Portable Fans: These are versatile and can be moved to wherever cooling is needed the most.

If you’re looking for a more efficient way to keep your motorhome cool in the summer, you may want to consider installing an air conditioner. Air conditioners are designed to keep the temperature inside your motorhome cool, so you can stay comfortable even in the hottest months.

Portable Air Conditioning Unit

In the heart of summer, sometimes fans and ventilation just don’t cut it. That’s where a portable air conditioning unit steps in as a savior, offering a haven of coolness in your motorhome. Let’s explore how to choose and use a portable air conditioning unit to make your summer travels a breeze.

Choosing the Right Unit

When it comes to selecting a portable air conditioning unit, consider the size of your motorhome. You’ll want a unit that is powerful enough to cool your space but not so powerful that it consumes excessive energy. Look for units with energy-efficient ratings to save on power consumption.

Installation and Placement

Setting up a portable air conditioning unit is usually a straightforward process. Here are a few tips:

  • Place the unit in a central location to allow even distribution of cool air.
  • Ensure there is enough space around the unit for proper air circulation.
  • The unit should be near a window to allow for the easy installation of the exhaust hose.

Power Considerations

Keep in mind that air conditioning units consume a significant amount of power. If you are planning to use the unit while camping off-grid, you might need a generator or a substantial battery bank to power it. Always check the power requirements of the unit before purchasing.


To keep your portable air conditioning unit running efficiently, regular maintenance is essential. Here are some maintenance tips:

  • Clean or replace the filters regularly to maintain optimal performance.
  • Check the exhaust hose for any blockages and clean it as necessary.
  • At the end of the summer, clean the unit thoroughly before storing it for the winter.

Tips for Efficient Use

  • Use the air conditioning unit in conjunction with fans to circulate cool air more effectively.
  • Close curtains and blinds to keep the sun’s rays out and reduce the load on the air conditioner.
  • Set the thermostat to a comfortable but not excessively low temperature to save energy.

If you’d like to know more about this air conditioning unit, then you can check out our blog post which includes more detail here – Best Air Conditioners For Motorhomes And Campervans

how to keep your motorhome cool


Staying cool in your motorhome during the summer months can be a challenge, but it’s not impossible. The key is to make sure your motorhome is properly ventilated, insulated, and equipped with the right fans and air conditioners. With these tips, you’ll be able to beat the heat and enjoy your summer road trips to the fullest.

What are the best types of fans to use in a motorhome during summer?

Ceiling and oscillating fans are great options as they help circulate air evenly throughout the motorhome, keeping the space cool.

Can I use a portable air conditioning unit while boondocking?

Yes, but keep in mind that air conditioning units consume a significant amount of power. You might need a generator or a substantial battery bank to power it while boondocking.

How can I insulate my motorhome windows effectively?

Using reflective window covers or thermal curtains can help insulate your windows, preventing the sun’s rays from heating up the interior of your motorhome.

What are some natural ways to keep my motorhome cool?

Parking in shaded areas, using ventilation screens, and creating cross-breezes by strategically opening windows are natural ways to keep your motorhome cool.

How often should I maintain my motorhome fans?

It’s advisable to clean the blades regularly and check the wiring and connections periodically to ensure the fans are functioning safely and efficiently.

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