Is 72 a good temperature for air conditioning?

Author: Mr. Jocelyn Rempel  |  Last update: Sunday, May 11, 2025

Setting your air conditioning to 72°F is generally considered a comfortable indoor temperature for many people. It strikes a good balance between comfort and energy efficiency, making it a popular choice for residential settings.

Does keeping the AC at 72 save money?

Best AC Temperature Settings While You Are Home

As you consider the most comfortable room temperature for your lifestyle and family, keep in mind that for each degree that you set your thermostat above 72 degrees, you can save up to 3% on your energy bill.

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

When temperatures exceed 100 degrees Fahrenheit outside, setting your air conditioning (AC) to around 75-78 degrees Fahrenheit is generally considered efficient. Here are some reasons for this recommendation:

Is a 72 thermostat too high?

However, 72 degrees is the average recommendation. Setting the thermostat higher than the low 70s inevitably increases heat loss to the outdoors, raising heating bills substantially.

Is 72 a good temperature for air conditioning at night?

The ideal temperature for your air conditioning at night can vary based on personal comfort, but many experts recommend setting it between 68°F to 72°F (20°C to 22°C) for optimal sleep. This range helps promote better sleep quality while also being energy efficient.

Is 72 a good temperature for air conditioning?

Is 72 AC too low?

Setting your air conditioning to 72°F is generally considered a comfortable indoor temperature for many people. It strikes a good balance between comfort and energy efficiency, making it a popular choice for residential settings.

Is 72 degrees too hot to sleep in?

Sleep experts believe the best temperature for great sleep is between 68-72 degrees Fahrenheit. But in addition to making you uncomfortable and interfering with healthy sleep patterns, being too hot at any time of day or night can cause health risks like dehydration and heat stroke.

Is 72 degrees good for a house?

The ideal temperature for a house depends on the season. In the summer, it's around 72 to 78 degrees Fahrenheit; in the winter, it's around 62 to 68 degrees Fahrenheit.

What should I set my AC to on a hot day?

Summer Air Conditioner Settings

In the summer, experts say the thermostat for your air conditioner should be set to at least 78°F during the day when people are at home.

Why should people stop setting their thermostats to 72?

Setting your thermostat just a single digit higher can help you save 6 percent on your cooling costs, according to the EPA.

Is 75 too hot for AC?

If this is the case, it may be necessary to keep your thermostat set at 72-74 degrees until everyone goes to bed. This can also depend on the number of people living in the house, or even whether you're preparing a home-cooked meal. If it's just you and your spouse, you may be fine with the temperature set at 75-77.

How long should it take to cool a house from 90 to 72?

Cooling a house from 90 degrees to 72 degrees typically takes about 2 to 4 hours, depending on various factors.

What temperature do most people keep their house at in the summer?

The average summer temperature is around 71°F. In winter, this falls just a touch to 70°F. Here's a winter breakdown for thermostat settings across the U.S., according to the survey participants: 47% set it between 68°F and 71°F.

Why is my AC staying at 72?

Well, certain problems can prevent an air conditioner from properly cooling down your home including: A dirty air filter. A blocked condenser. A refrigerant leak.

Is it better to run AC all day or just at night?

leaving it on all day and night is better for the HVAC system because it's less taxing. Should you turn off your AC when on vacation? HVAC experts agree it's better to keep your AC on when you're on vacation, especially if you don't plan to leave any windows open.

Which AC mode to use in summer?

When you activate dry mode, the fan on your AC is set to a higher speed, which helps circulate and draw moisture out of the air. Dry mode is especially useful during humid seasons such as summertime, when you may find yourself fighting against high levels of humidity in your home.

Is it OK for AC to run constantly on hot day?

Here's the thing: It's normal for your AC to run continuously during hot summer months. You see, on extremely hot days—we're talkin' high 90s to 100s—your system needs to keep up with the incoming heat. To do that, it will run longer in order to maintain a constant, desired temperature in your home.

What AC temperature is good for sleeping?

Sleeping in a room with the air conditioner set to an appropriate temperature is important for quality sleep. The ideal AC temperature for sleeping is around 65°F (18.3°C). However, this may differ between individuals, who might find their ideal AC temperature lies between 60 and 67°F (15.6 and 19.4°C).

Should AC be on auto or on?

There are benefits to having your air conditioner set to “auto” and “on.” The benefits of the “auto” setting include higher efficiency, lower energy bills, better humidity control, less wear and tear on some components, and quieter running.

Is 72 too low for AC in summer?

The recommended rule of thumb for summertime is to set the temperature to 78 degrees Fahrenheit when you're home and higher when you're away.

Is 72 thermostat too high?

We'd actually suggest keeping your home's thermostat in between 72 degrees and 76 degrees to make things as simple and straightforward as possible for your home. It's a reasonable temperature that will keep you cool without overworking your AC.

Is 72 too cold for summer?

To maintain a comfortable indoor environment during the summer, the American Society of Heating, Refrigerating & Air Conditioning Engineers recommends a range of 73 to 79 degrees Fahrenheit. On scorching hot days, you may want to adjust your thermostat toward the higher end of that range.

Is 72 too hot for a house?

68 to 72 degrees is a temperature range that is not too warm or cool, and is sufficient enough to warm up the home just enough so that everyone is comfortable regardless of the type of clothing they have on.

What is the best temperature for AC?

The ideal 'Thermostat Setting'

ASHRAE suggests an optimal comfort temperature between 23.5°C (74.3°F) and 25.5°C (78°F) during summers. Setting the thermostat to 24°C (75.2°F) balances comfort and energy efficiency. Using ceiling fans in conjunction with ACs further enhances comfort while conserving energy.

How to survive hot summer nights without AC?

If the summer temperatures have you needing to chill out, try our tips.
  1. Open your windows at night. ...
  2. Close your window coverings. ...
  3. Insulate and air seal your home. ...
  4. Bake and wash at night. ...
  5. Fire up the grill! ...
  6. Install an exterior window shade. ...
  7. Use your fans in the right places. ...
  8. Use your exhaust fans.

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