What Temperature Should I Set My Air Conditioner to in Summer? | A Guide

It’s summertime, and that means it can be quite hot outside. You may have noticed that the temperature is hotter when you’re in an office building or shopping mall than outside. If this holds true for your home, then it might be time to set your air conditioner to a higher temperature! The problem is figuring out what setting should I use? With this guide, you’ll learn how to find the perfect balance between comfort and energy savings.

Temperature Settings While you are Home

While you are at home, your AC should be set to a lower temperature. This way the air is not continuously running and lessening its impact on your energy bill. However, it’s important that you still feel comfortable enough in order to avoid headaches or irritability from being too hot! The best practice for this setting will vary depending on how well-insulated your house is as well as what time of day it is. Generally, you should set your AC between 73 and 79 degrees Fahrenheit while at home.

Setting the Temperature While You’re Away from Home Settings

If you’re away from home for long periods of time, it’s best to set your AC between 83 and 87 degrees Fahrenheit. This will allow the unit enough time to cool down before you return home so that you are comfortable even if you have been gone for a good amount of time!

Programmable Thermostats

If setting your AC is too much work or just not something you want to think about each day, consider using a PROGRAMMABLE THERMOSTAT. This type of thermostat allows you to control HVAC settings from anywhere in the world with an internet connection. You can use either a smartphone app or computer webpage depending on what system brand and model works best for you. Setting up this very simple tool only takes five and will give years’ worth of energy savings!

Digital Indoor Thermometer

If you’re not comfortable with a PROGRAMMABLE THERMOSTAT, consider using a digital indoor thermometer. This will allow you to read the temperature from any room in your house and find out what setting is best without having to walk up and down each hallway checking each thermostat. With this method, you’ll be able to spend less time worrying about your home comfort level or creating an uncomfortable environment. No matter which way works best for you, simply remember to use all of these suggestions as guidelines because there’s no “one-size-fits-all” solution when it comes to setting your AC.

Maximizing the Cooling Efforts in your Home

Turn off lights when you are not in the room

Do you ever notice that the temperature feels much hotter when your lights are on than if they’re off? This is because when you flip a light switch, the power goes to the lightbulb and then back to the ground. By flipping the switch, you’re creating a power surge in your house and in turn making it feel warmer in your home. This is purely an effect of heat transfer and something we often overlook. Also, you can save energy in your home by turning off lights when you’re not using them.

Close curtains to keep sunlight from heating up your home

Close the curtains in your house to keep sunlight from heating up your home. Sunlight can heat up your home, which makes it feel uncomfortable for you and your family. It’s best to close your curtains while you’re away or when no one is home.

Use ceiling fans to circulate air and cool down rooms

Ceiling fans are a great way to circulate the air in your house. When you feel too hot, turn on your fan for 10-15 minutes and let the circulating wind cool you down. This technique will not only cool you off but will also move the hot air out of your house so that it doesn’t get trapped inside.

Avoid running the oven

When it gets very hot outside, try not to use your oven all that often. This will help cool down the house because the oven generates a lot of heat.

Need an Expert?

CHVAC has been serving the local community for over 25 years! We specialize in Residential and Commercial HVAC Services. Our team of professionals is licensed, bonded, insured as well as highly trained to install or repair any kind of heating & air conditioning system you can think of.

Maximizing your Air Conditioning Efficiency with CHVAC will help keep your home comfortable all year long without wasting energy costs by installing an ENERGY STAR-rated AC unit that meets federal guidelines.

Frequently Asked Questions

What is the best temperature to set my AC?

We recommend setting your thermostat at 78°F on days when it’s hot outside. This will help cool down your home without wasting energy dollars. On cooler summer nights, you can set your AC anywhere between 60-68°F degrees for a comfortable sleep! And remember – use all of these guidelines as “suggestions” because there’s no one size fits all solution when it comes to finding what works for you and your family!

Should I get Programmable Thermostats?

Programmable thermostats are a great way to save energy in your home. This tool will help you program the temperature of your AC unit so that it doesn’t run when no one is at home or when everyone’s sleeping! If this sounds like something that would work for you, simply set up this very simple tool only taking five minutes and it’ll give years’ worth of energy savings!

What is the typical house temperature in the summer?

The usual house temperature in summer, according to the U.S. Department of Energy, is around 78 degrees Fahrenheit. Even if it varies depending on where you are, temperatures can reach up to 70-80+ degrees during peak seasons!


As you can see, there are plenty of ways to keep your home cool and comfortable during the summer without wasting energy costs. Follow these guidelines as “suggestions” because no one size fits all solution when it comes to finding what works for you and your family! If this sounds like too much work or if you’re not sure which tips will best apply to your situation, call on CHVAC for help!

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