
Most RV air conditioners have a built-in air filter that helps remove dust, dirt, and other particles from the air.
These filters can be a simple foam filter or a more complex filter with a higher MERV rating, which is essential for people with allergies or respiratory issues.
Some RV owners may not be aware that their air conditioner has a filter, but it's usually located behind the air conditioner unit or in the air handler.
It's essential to check and replace the filter regularly, ideally every 1-3 months, depending on usage and environmental conditions.
Benefits and Importance
Upgrading your RV AC filter can offer several benefits, including longer-lasting filters that remove odors, allergens, and more from your air.
You can buy filters that will last longer than your stock variety, which can save you money and hassle in the long run.
Upgrading to a more advanced filter will also help to lengthen the life of your AC, which can be a significant cost savings.
It's also important to note that factory filters keep debris out of your AC but not necessarily out of your RV's interior.
The air filters in your RV are just as important as those in your home, helping to filter the air that comes in from the outside to get rid of dust, allergens, pollen, and other particles that may not be good for you.
Ensuring that your air filters remain clean is crucial, as a clogged screen can prevent airflow and let unwanted elements into the RV.
You should aim to clean the air filters about every three months, but if you're often camping in dusty areas, you'll want to move this up to every one to two months instead.
Related reading: Can Dirty Air Conditioner Filter Cause It Not to Work
Choosing the Right Unit
Upgrading your RV AC filter is an affordable choice that offers a number of benefits. There are many varieties of filters out there, so it's essential to know what you should look for when shopping for upgraded filtration.
You'll want to consider the type of filter that will work best for your RV's specific needs, such as a washable filter or a disposable one.
Key Factors in Upgrading

Upgrading your RV air conditioner (AC) filter is a great way to improve the air quality inside your motorhome. The right filter can make a big difference in your comfort and health while traveling.
You'll want to look for a filter that's specifically designed for your RV's AC unit. For example, RV Air's filter system is designed for Newmar air conditioner units and captures pollen, dust, mold spores, pet dander, and other allergens.
Consider the size of the filter, as AC filters usually aren't one-size-fits-all. Some filters can be cut to size, like RV Air's cut-to-size filter, which can be custom-cut to fit even the most unique AC design.
The effectiveness of a filter is also important. Look for filters with a high MERV rating, which indicates the filter's ability to capture particles. MERV ratings range from 1 to 16, with higher ratings indicating better particle capture.
Here are some common MERV ratings and their corresponding particle capture levels:
Ultimately, the right filter for you will depend on your specific needs and preferences. Be sure to research and compare different filters before making a decision.
Prepare the Unit

To choose the right unit, you need to prepare it properly. First, turn the AC unit off by disconnecting the power source. This is crucial to prevent damage to the unit.
Removing the cover to access the filter requires care, as you don't want to damage the AC unit or hurt yourself.
Maintenance and Replacement
Cleaning your RV air conditioner's filter is a crucial part of maintenance. Replace it every three months, or more often if you're camping in dusty areas.
Placing the filter in the sunlight to dry can kill bacteria and make the drying process much quicker. Ensure it's completely dry before putting it back in the AC unit to prevent mold growth.
Clogged filters can cause problems, such as reduced airflow or letting unwanted elements into your RV. Regular cleaning will help maintain good air quality.
Upgrading to a more advanced filter can offer several benefits, including longer-lasting filters and improved air quality. You can also upgrade to filters that remove odors, allergens, and more from your air.
Allergen and Air Quality
The FilterTime Allergen RV Air Filter is a great option for RV owners who want to breathe easier on the road. It's a plug-and-play replacement filter that's designed to filter out allergens like pet dander, pollen, and dust.
This filter is specifically designed for the Coleman Mach 2 AC, one of the most common RV ACs on the market. It's easy to install and will keep your air clean for up to 90 days.
Filtering out allergens can make a big difference in your camping lifestyle. By using a high-quality filter like the FilterTime Allergen RV Air Filter, you can dramatically improve the air you breathe.
Here are the allergens this filter can remove:
- Pet Dander
- Pollen
- Dust
Upgrading your AC filter is one of the most affordable and easy upgrades you can make to your RV. It's a quick fix that can make a big difference in your camping experience.
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