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Is It OK To Leave AC On All Night?

“I don’t want to burn my air conditioner out! Is it OK to leave AC on all night?”

When it comes to air conditioning, most homeowners and business owners don’t feel confident in their ability to take care of their units. From general maintenance to general usage, most people don’t understand how their air conditioners are designed to work and how to best take care of them. Trust us, we get it! If you ask us, you shouldn’t have to be an HVAC expert to understand how your air conditioner works. That’s why we’re here to make HVAC education more accessible to everyone.

We’re a team of HVAC experts based in Colorado Springs. We love equipping homeowners with the knowledge they’ll need to take care of their HVAC units. So, when someone asks us, is it OK to leave AC on all night, we’re always happy to provide a detailed explanation.

A man, woman, and technician having a conversation in the living room.

Is it OK to leave AC on all night?

Yes, it’s typically OK to leave your air conditioner running throughout the night. If you only use your air conditioner periodically, then you likely won’t have to worry about it breaking down in the middle of the night. However, if you use your air conditioner frequently, you may want to reconsider running it all night every night. This is because persistent use can reduce the pressure in the cooling unit, which can cause it to freeze over. When this happens, the liquid refrigerant can flood back to the compressor and cause permanent damage. If you want to use your air conditioner for at least part of the night, then you can always set your air conditioner on a timer so that it will automatically turn off rather than running all night. More Information

Is it OK to leave AC on all night and all day?

If you live in an extremely warm climate, you may be tempted to run your air conditioner all night and all day to keep your home cool. However, this can put a lot of strain on your unit and increase the risk of breakdowns. To avoid this, we recommend setting your air conditioner on a timer so that it turns off periodically. This will allow you to stay cool while also protecting your unit from overuse.

If you plan on using your air conditioner frequently, then you’ll need to stay on top of your regular HVAC maintenance.

Another important factor to consider is the need for regular HVAC maintenance. By investing in regular maintenance services, you can ensure that your unit is running at its best and that any potential issues are caught before they become major problems. During a maintenance visit, a professional will check your unit for any signs of wear and tear. They’ll also make any necessary repairs or adjustments as needed. This can help extend the life of your unit and keep it running efficiently for years to come.

In addition to regular maintenance, there are also some simple things you can do to keep your air conditioner in good working order. For example, be sure to change your air filter regularly to ensure that your unit is able to breathe properly. Also, keep your unit free of debris by cleaning it regularly, and make sure that it is not blocked by any objects.

Need to schedule an AC servicing? Contact us! We offer free consultations for both residential and commercial A/C services. Claim yours today, and get your air conditioner inspected by a professional for free!

HVAC service professional arriving to complete maintenance
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Falling Star is staffed by the kind of guys you probably see at church, shopping for food, or hanging out at high school football games (Let’s Go Palmer High Terrors!). They’re just ordinary people who love their families, community, and making a positive difference.


Falling Star Heating and Cooling is here to provide the comprehensive Prairie Park HVAC support you deserve. Schedule your free consultation and start the conversation to solve any problem, especially emergencies.