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What Temperature to Set Air Conditioner in Summer

Who likes sweating through the summer to save a few bucks on the air conditioning bill? If you want to stay cool without breaking the bank, read on to determine what temperature to set your air conditioner in summer.

Turning one of your air conditioners on full blast and leaving it there all day is a surefire way to rack up an astronomical energy bill. Instead, follow these tips to stay comfortable and save money on your air conditioning this summer.

What Is the Ideal AC Temperature in Summer?

While you should choose the temperature that makes you feel comfortable, the U.S. Department of Energy recommends setting your thermostat to 78 degrees Fahrenheit when you’re home. This temperature strikes the perfect balance between comfort and energy efficiency, allowing you to stay cool without overworking your air conditioner.

If 78 F degrees is too warm for you, don’t worry. You can still save money by raising the temperature a few degrees. For every degree you raise the thermostat, you can save up to 4% on your energy bill. So, if 78 degrees is too warm, set the temperature to 76 F or 77 F degrees instead.

Of course, there are times when 78 F degrees isn’t enough to keep you cool. If you have a health condition that makes it challenging to regulate your body temperature or can’t stand the heat, don’t be afraid to lower the temperature. Remember that your energy bill will go up by about 4% for every degree you lower the thermostat.

What is the Best AC Temperature to Save Energy Bills?

If saving money is your top priority, then the best AC temperature to set your thermostat to is 78 F degrees. It will strike the perfect balance between comfort and energy efficiency, allowing you to stay cool without overworking your air conditioner.

If you set your air conditioning to 78 degrees in the summer instead of 70 degrees, you may save almost 20% on your everyday AC energy use.

Best AC Temperature To Set While Sleeping

When you already know the best AC temperature to save energy bills, it’s time we talk about the best AC temperature to set while sleeping.

It’s a little more challenging to set your thermostat at night in the summer. Energy Star suggests that you set the AC temperature to 4° more than your daytime setting if you can sleep peacefully in a warm environment. On the other hand, many individuals like to sleep in a chilly environment, which may lead to putting the thermostat down rather than up at night. Summer sleeping temperatures are believed to be between 60 and 67 degrees Fahrenheit.

If you reside in a region that cools the air at nighttime, opening the windows as you sleep is an excellent answer. Then, in the morning, before it gets too hot, shutting the windows retains cold air inside and provides your air conditioner a head start. You may also use fans in bedrooms to assist in circulating air in the area you sleep in while maintaining a constant temperature throughout the home.

The Suitable Temperature to Set While Away

You already know what temperature you should set the air conditioner in the summer. It may help you save a lot of money throughout the summer by keeping the home comfortable and cold while you’re gone. While absent for two hours or longer, raising the thermostat by two to three degrees might save you more than 10% on cooling expenditures.

Set the thermostat between 80 F and 86 F degrees while you’re gone from home to save energy and money. The increased temperature within your homestead reduces the heat flow into your homestead, leaving you with little energy to ensure cooling when you come home. Consider returning air ducts if you want to save even more money.


Keeping yourself cool in the summer doesn’t have to be expensive. By following the tips above, you can keep your home comfortable without breaking the bank. Remember that the key is to strike a balance between comfort and efficiency. Try setting your thermostat to 78 degrees Fahrenheit when you’re home during the day, and experiment with different temperatures at night until you find one that suits you best.

There you have it! You know what temperature to set your air conditioner in the summer, whether you’re trying to save money or stay comfortable. Remember to strike a balance between the two, and you’ll be all set! If you need any help with your air conditioner or furnace, contact Furnace Repair Winnipeg. We’re always happy to help!

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