QA

Quick Answer: What Temperature Should Air Conditioner Be Set

According to the Department of Energy1, 78° Fahrenheit is the sweet spot for air conditioners to balance energy savings and comfort when people are at home and need cooling.

Is 72 a good temperature for air conditioning?

Since 72 degrees is generally agreed upon to be an ideal indoor temperature, most people would probably still feel comfortable setting their AC units slightly higher than this, perhaps at around 75.

What should the AC be set at in the summer?

While you ultimately must decide what temperature you feel comfortable at, the US Department of Energy and Energy Star suggest that the best AC temperature is 78°F for summer days.

Is 74 a good temperature for air conditioning?

Typically, our bodies are most comfortable when the air inside our home is 74-76 degrees. So, a safe setting is 75 degrees. But, be careful not to set your thermostat too high, as your unit will struggle to return to your comfort level.

What temperature should I set my AC at night?

The best AC temperature for sleeping is generally between 60-67 degrees, according to sleep psychologist Michelle Drerup. As your body falls asleep, its temperature decreases slightly. So, setting your thermostat between 60-67 degrees helps this process, therefore helping you fall asleep faster and more comfortably.

Is 70 too cold for AC?

Do not set your thermostat below 70 degrees as it will not cool any faster and could freeze up the system causing more problems. Understand that there is generally a 20 degree difference between indoor air and outside temperatures.

Is 68 too cold for AC?

An AC unit is happiest creating space temperatures no lower than 68 degrees fahrenheit. So you’ll still be hot and your thermostat limbo may result in a significant repair bill, or early death of your AC unit, which are definitely NOT great.

Is 78 too hot for a house?

Any time you’re awake and at home during the summer, the ideal thermostat temperature is 78 degrees. This home temperature for energy efficiency lowers your cooling bills by 12 percent compared to keeping it at 74 degrees. If you’re afraid 78 degrees is too warm, remember to dress for the season.

How cool should my house be if it’s 90 outside?

They recommend that when it’s 90 degrees outside, you should try setting your air conditioning thermostat at 80 degrees or higher. And when it’s 95 to 100 degrees outside (and higher), you should set your thermostat at 85 degrees or higher.

Is it better to keep your AC at a constant temperature?

To maximize efficiency, it’s best to keep your furnace (or AC) at the same consistent temperature for long periods of time.

Is 75 degrees too hot to sleep?

Sleep can be disrupted by temperatures anywhere below 65 or above 75. The sweet spot for great sleep is between 68 and 72 degrees. “That’s really optimal for sleep,” says Michael J. For most people, heat interferes with sleep more than cold.

How cool should my house be if it’s 100 outside?

How cool should my house be if it’s 100° outside? The majority of air conditioning units are designed to only cool the air about 20 degrees from the outside temperature. If the temperatures outside are approaching triple digits, you should set your thermostat at about 78°.

Is 65 too cold for AC?

HVAC manufacturers usually recommend that users do not operate their units for prolonged periods of time if the temperature is lower than 65 degrees Fahrenheit. If you need to test your unit, then you should wait until the temperature has been above 60 degrees Fahrenheit for at least three days first.

Should I put my AC on auto or cool?

Keeping your fan on AUTO is the most energy-efficient option. The fan only runs when the system is on and not continuously. There is better dehumidification in your home during the summer months. When your fan is set to AUTO, moisture from cold cooling coils can drip and be drained outside.

What should I set my air conditioner to?

Start by setting your air conditioner high And, the best spot to do it at is 78 degrees Fahrenheit. According to Energy Star, it’s an ideal temperature. 78 degrees keeps you fairly cool and comfortable during the day. It also shouldn’t make your electric bill skyrocket.

Is 68 degrees too cold for a house?

According to the Department of Energy, 68 degrees Fahrenheit is the sweet spot when you’re home during the winter. A common recommendation is to set the heat to 62 degrees for the best energy efficiency when you’re sleeping, but if that’s too chilly, aim for no higher than 66 degrees.

Why does my house feel cold at 73?

Your house could be cold due to an old air filter, a faulty furnace, improper insulation, or leaky ductwork. The simple fixes, like replacing an air filter, are relatively easy to complete. However, if the heater itself needs repairs, it’s best to call in a professional to take a look and determine the problem.

Is 65 too cold for house?

Do not let it get too cold inside and dress warmly. Even if you keep your temperature between 60°F and 65°F, your home or apartment may not be warm enough to keep you safe. Set your heat to at least 68–70°F. To save on heating bills, close off rooms you are not using.

What is the healthiest temperature to keep your house?

Depending on the season, the ideal house temperature for both comfort and efficiency is between 68 to 78 degrees Fahrenheit. In the summer, the recommended thermostat setting is 78 degrees F. In the winter, 68 degrees is recommended for energy savings.

Is 69 good for AC?

Best temperature to set your thermostat in summer Once you have the right size air conditioner, there’s still an ideal temperature range to consider. It’s best to not set your thermostat lower than 70 to 72 degrees. Most units are not designed to cool a house below that point, and you risk the system freezing up.

Whats the lowest you can put your AC on?

Air conditioners are designed to lower the temperature of your home’s air by about 20 degrees. So if the air in your home is 85 degrees, for example, your air conditioner can lower your air’s temperature to about 65 degrees.

What’s the lowest you can set the AC?

What happens if you set your AC too low? Air conditioners are not designed to operate in or produce temperatures below 60 degrees. Truth be told, they’re happiest around the 68 degree mark. Most thermostats simply won’t allow you to choose a setting below this mark.