How To Make a Window AC Colder? 5 Lesser-known Hacks

As the summer sun blazes its fiery path across the sky, finding respite from the scorching temperatures becomes a top priority.

And sometimes even the window air conditioner fails to deliver it.

However, I have exciting news for you!

We’re about to tell you 5 lesser-known hacks on how to make a window ac colder.

Here we go!

5 Hacks to make a window air conditioner colder

Ready to beat the heat? Here are the 5 expert tips to make your window AC colder right now.

1. Improve airflow of window ac to make it colder

If you want your to make your window air conditioner colder like never before, improving airflow is the key.

Here’s what you can do:

  • Keep the Air Filter Clean: Over time, dust and debris clog up your AC’s filter, making it harder for cool air to flow. Make it a habit to clean or replace the filter regularly for smooth airflow. Trust us, this simple step can make a huge difference in how cold your AC gets. (Related: window ac not blowing cold air)
  • Clear Obstructions: Take a quick look around your window AC. Are there any furniture, curtains, or random items blocking the way? Clear them out!
  • Ensure Proper Ventilation: Check that the vents and louvers on your unit and make sure they not blocked or covered. Good ventilation is essential for optimal cooling performance. So, let your AC breathe freely!

By following these airflow-boosting techniques, you’ll be well on your way to making your window AC colder and more efficient as well.

Did you know: If your window AC unit has poor air flow, it can actually cause a fishy smell to come from it.

2. Enhance Insulation

enhancing insulation of a window ac
insulating a window air conditioner

When it comes to making a window air conditioner cooler, improving insulation is a factor that should not be overlooked. 

Proper insulation ensures that cool air stays inside while preventing hot air from infiltrating your space. 

Here what you can do to enhance insulation of your window air conditioner:

  • Weather-stripping: Check the area around your window AC for gaps and leaks. Apply weather-stripping along the edges of the window to seal any gaps and air leaks. This nifty trick keeps the cool air in and the hot air out, giving your AC a boost in cooling performance.
  • Use Curtains to Block Sunlight: Did you know that sunlight can heat up your room, making your AC work harder? Well, by using blackout curtain to block direct sunlight during the hottest parts of the day, you’ll reduce the heat load on your AC unit and help it cool your space more effectively.

3. Find your perfect Temperature zone

To make your window air conditioner as cold as possible, optimizing the temperature settings is super important. With the right settings, you can take your window AC cooling efficiency to the next level.

Here’s what you need to know:

  • Experiment with Temperatures: Try different temperature settings to find the sweet spot that keeps you comfortably cool without overdoing it. Usually, a range between 72 to 78 degrees Fahrenheit (22 to 26 degrees Celsius) strikes the perfect balance between comfort and energy efficiency.
  • Consider Programmable Thermostats: If your window AC has a programmable thermostat feature, take advantage of it. Program your desired temperature settings based on your daily routine, and let your AC adjust automatically throughout the day.

4. Maintenance and Cleaning

How to Maintain an Air Conditioner
Maintaining a ac unit

To keep your window AC performing at its best, regular maintenance and cleaning are essential. Here’s what you should do:

  • Keep the filter clean: Clean or replace the air filter regularly. A clean filter ensures that cool air circulates freely, making your window AC colder.
  • Banish Debris: Clean the condenser coils to remove any dirt or debris that might hinder cooling efficiency. A clean condenser means maximum cooling power for your AC.
  • Check the Drainage: Make sure the drainage system is free from any clogs or blockages. A well-functioning drainage system ensures smooth condensate removal, keeping your AC in top shape.
  • Show Some Love to the Fan Blades: Dust and debris can accumulate on the fan blades, causing airflow issues. Keep those blades clean and let the air flow smoothly.

Additionally, consider scheduling a professional maintenance check-up at least once a year. The experts will give your window AC a thorough inspection and fix any issues to make it even colder.

Related: Why my window ac unit freezing up?

5. Consider a Supplemental Cooling Device

When the summer heat becomes unbearable and your window AC struggles to keep you cool, there’s a hero ready to save the day: the supplemental cooling device.

These amazing gadgets, like portable air coolers or evaporative coolers, work their magic to beat the heat.

Using clever water evaporation techniques, they transform warm air into a refreshing breeze that fills your space. With their soothing hum, they gradually lower the temperature, bringing much-needed relief from the sweltering conditions.

So whether you’re battling hot climates or need an extra cooling boost for your window AC, these cooling companions are here to help.

How to make a window ac colder: FAQs

1. Can I make my window AC colder by lowering the temperature below the recommended range? 

Ans: Nope, lowering the temperature beyond the recommended range won’t make your AC cooler. In fact, it will only force the unit to work harder and consume more energy without achieving the desired outcome. It’s a common misconception.

2. Can using a fan with my window AC help in cooling the room faster? 

Ans: Absolutely! When you combine a fan with your window AC, you create a dynamic duo that can significantly enhance the cooling process. The fan aids in better air circulation within the room, helping the cool air from the AC to spread more efficiently and evenly. Remember, teamwork makes the dream work!

3. What should I do if my window AC is leaking water? 

Ans: If you notice water leakage from your window AC, it could be indicative of a couple of potential problems: a clogged condensate drain or a refrigerant leak. In either case, it is advisable to seek the expertise of a professional technician. They possess the knowledge and skills to accurately diagnose the issue and implement the necessary repairs.

4. Is it necessary to cover my window AC during the winter months?

Ans: Yes, covering your window AC during the winter months can protect it from the elements and extend its lifespan. Just make sure to choose a cover specifically designed for AC units.

5. Why is my window AC not very cold?

Ans: Your window AC might not be cooling well due to restricted airflow, low refrigerant, dirty coils, improper unit size, or overuse.

Stay Cool and Chill Out!

There you have it, folks! With these simple tips and tricks, you now know how to make your window AC colder.

Enjoy a refreshing and comfortable environment even on the hottest summer days. Stay cool, my friends!

And if you want to know how long do window ac unit last, read this post.

David Jack

David Jack

David Jack is a veteran when it comes to air conditioners, he love helping people find solutions to their problems with AC units. His specialty is helping people find the right Air-Conditioner for their needs, whether that means replacing a broken unit or adding on to an existing system. He is also great at diagnosing problems and fixing them quickly. He learned this from my father Jack Smith who was an air conditioner repairer, he has 2 years of experience in this field.

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