What should my window air conditioner be set at?

When trying to find the most reasonable setting for your air conditioner, you have to start somewhere. 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.

What temperature should I set my window air conditioner in 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 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.

How low can I set my window air conditioner?

The Temperature That’s Best for Balancing Comfort and Cost.

Energy Star recommends going no lower than 78F. If that’s too warm for you, drop it one degree at a time until the room becomes tolerable. What’s most important here is the difference between your AC setting and the outside temperature.

What temperature is too cold for a window AC?

What Temperature is Too Cold for Air Conditioners? 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.


Is 68 too cold for AC?

An AC unit is happiest creating space temperatures no lower than 68 degrees fahrenheit.

Is 70 degrees cold for AC?

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. I recommend trying to keep your house below 80 degrees at all times during the summer.

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.

Is 75 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. However, this is only necessary when you’re in your home. If you’re like most, you are gone during the day.

Is 73 too cold for AC?

In the summer, set the thermostat to 78°F.

For most people, the normal comfort zone temperature sits around 72-73 degrees—but an air conditioner isn’t a highly scientific machine.

Is 60 degrees cold for AC?

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.

Should AC be on auto or on?

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 temperature should my AC be on?

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 it OK to leave air conditioner in window during winter?

We recommend you remove any air conditioner from a window location. During the winter months, heat could escape through the accordion extension panels on the A/C and the chassis, cold air could also infiltrate your home the same way.

At what temperature outside should you turn on the AC?

When trying to find the most reasonable setting for your air conditioner, you have to start somewhere. 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.

What should I set AC to 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 67 too cold for AC?

He says not to run the AC unit below 70 degrees indoors because it can freeze the coil. It might be 65 or 68 degrees with some systems. It depends on other factors. It’s a good practice to never go below 70 degrees.

What is the best room temperature to sleep at night?

The best bedroom temperature for sleep is approximately 65 degrees Fahrenheit (18.3 degrees Celsius). This may vary by a few degrees from person to person, but most doctors recommend keeping the thermostat set between 60 to 67 degrees Fahrenheit (15.6 to 19.4 degrees Celsius) for the most comfortable sleep.

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 68 degrees cold in a house?

When you’re home: Around 68 degrees

According to the Department of Energy, 68 degrees Fahrenheit is the sweet spot when you’re home during the winter. You can also drop it down a few degrees when you’re sleeping to save more energy, as you’ll be under the blankets for extra warmth.

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 80 degrees hot in a house?

Best House Temperature While Away: 55–80 degrees

In general, it’s safe to increase indoor temperature up to 80 degrees in summer and decrease indoor air temperature to 55 degrees in winter, but there are exceptions – for example, if you live with a baby or an elderly or immune-compromised individual.

Is 77 degrees hot for a 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. … Humidity: Winter air is naturally dry.

Is 75 too hot in a house?

Generally, our bodies are most comfortable when the air inside of our home is within a degree or two of a steady 75 degrees F during the hot, summer months. This temperature setting, however, is only necessary when your house is occupied during waking hours.

What is an unhealthy room temperature?

The temperature inside your home should not reach below 68 degrees Fahrenheit in any case, as that increases the risk of respiratory disease and even hypothermia if there is prolonged exposure. This is especially the case for people with lung and heart disease.

Why does 70 degrees feel cold inside?

When you’re outside in the open, unless it’s night or cloudy, the sun is shining on you, which warms you up. The air outside may be 70 degrees, but exposed skin and clothing is warmer. Indoors, you’re in the shade, protected from direct sunlight, so an air temperature of 70 degrees feels like … 70 degrees.

What temp should your house be in the winter?

For winter, the ideal thermostat temperature is 68 degrees Fahrenheit when you’re at home. Energy.gov 68 degrees is a good room temperature while you’re awake at home, but recommends lowering it while you’re asleep or away. Lowering your thermostat 10-15 degrees for eight hours can reduce your heating bill by 5-15%.

How low can I set my AC before it freezes?

If you are running your air conditioner when the outside air is below 62 degrees, then the pressure inside of your system will drop and this can cause your air conditioner to freeze up.

Is it OK to run AC with windows open?

Using Air Conditioning with Windows Open. Leaving the windows open while running your air conditioner is highly discouraged. Opening windows defeats the purpose of the air conditioner, which is to provide cool air inside. When there are openings, the cool air escapes through them.

What do you do with a window air conditioner in the winter?

If you plan to keep your window unit in place, wrap the inside of the unit with a padded cover to reduce draft and insulate the area around it. Another option: Cover the entire window in plastic sheeting. If your apartment gets drafty or your light is limited, you probably want the air-conditioner out.

What is the most efficient way to run an air conditioner?

“Air-conditioning systems run most efficiently when they’re running at full speed,” she explains. So while your unit might make more noise initially cooling a space down from 80 to 75 degrees, running all day at a less powerful speed requires more energy overall.

How do I winterize my air conditioner?

The Dos and Don’ts for Winterizing Your Air Conditioning Unit

  1. Do: Shut off the power to the unit. …
  2. Do: Remove any debris stuck in the unit. …
  3. Do: Cover the unit with a sheet of plywood. …
  4. Do: Wax the outside of the unit. …
  5. Don’t: Wrap the condenser in plastic. …
  6. Do: Remove snow and ice through the winter.

Will rain hurt my window air conditioner?

Rain does not affect your window air conditioner. It won’t damage it or change the performance. The electrical components in an AC are sealed, keeping them from water damage.

When should I remove my window air conditioner?

Yes, you should always remove your window AC before the first freeze of the year. This may even be in autumn before winter has arrived. This is recommended to protect the window unit from damage caused by ice and snow and keep cold air from entering during frigid temperatures.

Does outside temperature affect window air conditioner?

Does Outside Temperature Affect Air Conditioners? … Most air conditioning systems are designed to function with outside temperatures of 100 degrees or less. When temperatures outside become higher than 100 degrees Fahrenheit, the air conditioning system can consume more energy and begin to malfunction or fail.