A well-kept air conditioner can make a big difference in comfort and energy costs. With the right approach to window AC maintenance, you can extend the life of your unit and improve its cooling power. Regular upkeep also helps reduce strain on the system, keeping it from working harder than needed. This guide will walk you through easy steps to keep your window AC in top shape.
Clean or Replace the Air Filter
The air filter traps dust, pollen, and other debris before they circulate into your home. Over time, a clogged filter can slow airflow and force the unit to work harder. Most filters are reusable and can be cleaned with warm water and mild soap. If your unit uses a disposable filter, replace it every one to three months during heavy use. Clean filters not only improve air quality but also help the unit cool more effectively.
Check the Seals Around the Unit
A window AC works best when warm air stays outside and cool air stays in. Inspect the seal between the unit and the window frame to make sure it’s tight and undamaged. Gaps can let air escape and raise your energy bill. Foam weatherstripping is an easy way to close small gaps. For larger issues, resealing or adjusting the unit’s placement might be needed. This step is often overlooked but has a noticeable impact on cooling efficiency.
Keep the Coils Clean
Your window AC has two types of coils: the evaporator coil inside and the condenser coil outside. Dirt and dust can build up on these coils, reducing their ability to transfer heat. Unplug the unit before cleaning. Use a soft brush or a vacuum with a brush attachment to gently remove buildup. For heavier grime, a coil cleaner spray can help. Clean coils allow the AC to cool faster and use less energy.
Maintain Proper Airflow Around the Unit
Airflow is key to your AC’s performance. Avoid placing furniture, curtains, or plants too close to the front or sides of the unit. Outside, make sure the condenser coil isn’t blocked by leaves, branches, or other objects. Adequate space allows air to circulate freely, which helps the unit run smoothly. Good airflow also reduces wear on the motor and other components.
Inspect the Drainage System
Window AC units remove moisture from the air, which drains through a small pan or tube. If the drainage system is blocked, water can back up into the unit or leak into your home. Check the drain regularly, especially during humid months. Use a thin brush or wire to clear any clogs. Keeping the drainage system clear also helps prevent mold and mildew growth inside the unit.
Wipe Down the Exterior
Dust and grime can collect on the outside of your AC over time. A quick wipe with a damp cloth keeps it looking neat and prevents dirt from entering the system. Be careful not to let water drip into electrical parts. Cleaning the exterior also gives you a chance to spot any visible damage, loose screws, or worn parts that might need attention.
Use the Right Temperature Settings
Setting the thermostat lower than needed won’t cool your home faster. It only makes the AC run longer. Aim for a comfortable temperature instead of the lowest setting. Many units work best around 75 to 78 degrees during the summer. Using a fan in combination with your AC can also help distribute cool air more evenly. This approach reduces energy use without sacrificing comfort.
Schedule Regular Professional Checkups
While many tasks can be handled at home, having a trained technician inspect your window AC can catch issues early. Professionals can check refrigerant levels, test electrical components, and confirm that the system is running at its best. This service is especially useful before the start of the summer season. A trained eye can spot worn parts, minor leaks, or wiring problems that could affect performance. Routine checkups also help extend the unit’s life span.
Store the Unit Properly in the Off-Season
If you remove your window AC during cooler months, store it in a clean, dry place. Cover the unit to keep dust and debris from collecting. Avoid leaving it on a damp floor, as moisture can cause rust. Storing the AC correctly protects both the exterior and the internal parts. When it’s time to reinstall, you’ll have a cleaner, safer, and more efficient system ready for use.
Keep an Eye on Unusual Sounds or Smells
Strange noises can signal loose parts, debris in the fan, or motor issues. A musty odor might indicate mold inside the unit or a clogged drain. Pay attention to these warning signs and address them quickly. Ignoring them can lead to bigger problems and higher repair costs. A prompt response helps keep the AC running smoothly and avoids uncomfortable downtime.
Use Energy-Saving Features
Many modern window AC units have features designed to save energy. Energy-saver mode cycles the fan and compressor on and off to maintain the set temperature without constant operation. Some units also have programmable timers that allow you to cool your space only when needed. Taking advantage of these features can cut power use and lower utility bills. Small adjustments in how you use the unit can have a noticeable impact on efficiency.
How AC EZ Can Help
At AC EZ, we understand how a well-maintained AC can improve comfort and lower energy costs. Our team offers professional maintenance services for all types of cooling systems, including window AC units. We handle coil cleaning, drainage checks, refrigerant testing, and more. With our local experience, we can identify and fix issues quickly. Regular visits from our technicians mean your AC stays in top condition throughout the hottest months.
Protect Your Investment
A window AC is more than just a purchase – it’s an investment in your comfort. Regular care reduces repair costs, improves cooling performance, and extends the unit’s lifespan. Simple steps like cleaning filters, checking seals, and keeping the coils free of dirt can make a significant difference. When paired with expert service, these efforts help you get the most out of your system year after year.
Need help keeping your AC in peak shape? Contact us today to schedule professional maintenance and enjoy cooler days with lower energy bills.