How To Make Window Ac Colder

If you’re looking for ways to beat the heat this summer, you may be considering how to make window ac colder. Whether you’re dealing with a unit that just doesn’t seem to cool your space enough or you’re looking to maximize the performance of your AC, there are a variety of strategies you can use to make your window unit more effective. Here’s what you need to know.

1. Clean Your AC Filter

One of the simplest steps you can take to improve the performance of your window AC is to clean or replace the filter. Over time, dust and debris can accumulate on the filter, reducing the unit’s ability to cool the air efficiently. By cleaning or replacing the filter regularly, you can help ensure that your AC is able to run at its best.

2. Check for Air Leaks

Another key factor that can impact the effectiveness of your window AC is air leaks. If there are gaps or cracks around your windows or in your walls, cool air may be escaping your home, making it harder for your AC to keep up. To address this issue, consider sealing any gaps or cracks with caulk or weatherstripping.

3. Use a Fan

In addition to your window AC unit, using a fan can help circulate cool air throughout your space more effectively. By placing a fan near your AC unit, you can help distribute the cool air more evenly, making your space feel cooler and more comfortable.

4. Close Your Blinds or Curtains

Sunlight streaming through your windows can also impact the performance of your window AC. By closing your blinds or curtains during the hottest parts of the day, you can help block out some of the heat and keep your space cooler.

5. Keep Your AC Unit in the Shade

Similarly, keeping your window AC unit in the shade can help it run more efficiently. By providing some protection from the sun, you can help keep your unit cooler and reduce the strain on its components.

6. Use a Programmable Thermostat

A programmable thermostat can also help you make the most of your window AC unit. By setting your thermostat to adjust the temperature automatically throughout the day, you can help ensure that your space stays comfortable without wasting energy.

7. Clean Your AC Coils

Over time, the coils on your window AC unit can also become dirty or clogged, reducing its efficiency. To address this issue, consider cleaning the coils regularly with a soft brush or cloth.

8. Consider Upgrading Your AC Unit

If your window AC unit is old or outdated, it may be time to consider upgrading to a newer, more efficient model. Look for units with a high Energy Star rating to help ensure that you’re getting the most efficient and cost-effective option for your space.


Q: How often should I clean my AC filter?

A: It’s a good idea to clean or replace your AC filter at least once every three months, or more frequently if you have pets or live in a dusty area.

Q: Can I use my window AC unit with a smart home system?

A: Many newer window AC units are compatible with smart home systems, allowing you to control them remotely using your phone or voice commands.

Q: How much can I expect to save on my energy bill by upgrading to a more efficient AC unit?

A: The amount you can save will depend on a variety of factors, including the size of your space, your usage patterns, and the efficiency of your old unit. However, upgrading to a newer, more efficient AC unit can help you save hundreds of dollars per year on your energy bill.


By following these tips and strategies, you can help make your window AC unit colder and more effective, keeping your space comfortable and cool all summer long. Whether you’re cleaning your filter, sealing air leaks, or upgrading to a newer unit, there are many steps you can take to maximize the performance of your AC and beat the heat this season.