How to Clean a Window Air Conditioner without Removing It


From spring to fall, window air conditioners are a roll-out, roll-up, and set-to-work option. However, unlike ceiling fans or central heating and cooling systems, window AC units do not get taken down after each use. A window air conditioner is a great solution to temperature changes, but they will accumulate dirt over time. Fortunately, cleaning a window air conditioner is easy. You can easily remove the cover and wipe down the interior with a warm rag or vacuum. Cleaning an air conditioner is as serious as taking care of any other part of your home. Even if you clean it regularly, there are still several things that can go wrong in a matter of hours if you aren’t careful. Cleaning an AC isn’t hard, though. There are just 7 steps involved: removing the window parts with a towel, wiping them down with vinegar and water, vacuuming the coils, cleaning off the air filter, vacuuming around the unit to make sure the grime stays where it belongs (inside your AC), and then shaking out a cloth to wipe everything down one last time. This may seem like a lot but this method will leave you with a clean system for many months to come.

Gains of the clean window air conditioner 

When you’re used to having a clean, fresh air environment, it can be overwhelming when your window air conditioner is dirty. As this is one of the smaller appliances that you’ve got in your home – both literally and figuratively – you might neglect to check its water beads or change its filters. Unfortunately, regular checks and maintenance are vital for not only the longevity of your machine but also its efficiency.

There are a variety of ways you can improve your air quality. And an air conditioner is one of the biggest contributors to indoor air quality in your home or place of employment. If your AC is dirty, it works harder and uses more energy than if the filter was cleaned regularly. This can lead to extra wear and tear on your unit, causing it to break down quicker. And that’s not even counting how much it can reduce the comfort level in your home or building, increasing the risk for respiratory issues, allergies, and asthma. A clean air conditioner not only improves the health of your family and employees but also lowers energy costs!

Importance of cleaning the window air conditioner

If you have a window air conditioner, it’s a good idea to clean and maintain it during the cold winter months. Not only will this keep your air conditioner running smoothly, but will also extend its lifespan, making it ready for you when the warm weather returns.

Effects to be aware of about Cleaning Your Window Air Conditioner 

Cleaning your window AC not only feels good but there are also real benefits containing:

1- Cleaner refreshing air 

Keeping your window air conditioner clean can greatly improve the quality of the air you breathe. This is especially important if you or a loved one suffers from allergies or asthma.

2– Reduces your energy bills

If your unit’s filter is dirty, it needs to be replaced or cleaned. If you take better care of your window air conditioning unit, you can expect lower energy bills and a more effective cooling system. Having clean coils is critical to the efficiency of any air conditioner.

3- The lifespan of your air conditioner will be extended 

With the exceptionally hot summer heat, keeping your central air conditioning unit clean is vital to maximizing its lifespan. By cleaning your machine regularly, you’ll enjoy a longer lifespan and decreased frequency of repairs.

Window Air Conditioner Washing Tools

To clean your window AC unit, you have a few options. If your AC unit sits in an elevated frame of some type, you can reach the backside of the unit by standing underneath it, with a ladder and a flashlight if necessary. If you don’t want to risk it, you can use a vacuum cleaner to get the dust off the coils. Foaming cleansers and squirt bottles are excellent for removing grime from the blades and coils, with many types available at your local hardware store. Fins can become damaged over time due to a few different things. It is not recommended to use a nylon brush to clean fins, as they’re designed for general washing of your home and are not meant for the fragile fins on your air conditioner system. A brush made from metal bristles just won’t be able to effectively remove the dirt from between the fins, and will probably just end up damaging them even more.


Caring for a window air conditioning unit is very important in order to ensure it stays functioning well and efficiently. There are many steps you might take to ensure a thorough clean of your AC–especially if it’s been a while since its last cleaning. It is important that you follow the cleaning steps we have outlined below, and keep up with the maintenance to see great results. Cleaning the filter alone could lower utility bills. 

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