Question: What’S The Lowest You Should Set Your AC?

Is 68 too cold for AC?

“Do not run the AC unit below 70 degrees indoors for the same reasons — it can freeze the evaporator coil,” he says.

With some systems, that threshold might be 65 or 68 degrees.

It depends on other factors, too, including airflow and indoor humidity.

That’s why never going below 70 degrees is a safe practice..

Is 75 a good temperature for air conditioning?

What’s The Best Temperature To Set Your Thermostat: Summer 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 temp is too low 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.

How low can you set your AC before it freezes?

Air conditioners are designed to function in a specific temperature range. 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 72 too cold for AC?

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.

What is 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.

What should AC be set on?

78° FahrenheitAccording 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 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 68 too cold for House?

When people are in the house during the day or evening, keeping the thermostat at 68 degrees F is a good temperature. … A good starting point for the latter is to set the thermostat to 72 degrees F, and then slowly reduce this by one degree every week until reaching 68.

Is it OK for AC to run all day?

How Long Should You Run Your AC Each Day? During a warm or humid day, an average air conditioning unit should run for about 15 or 20 minutes. … But when it’s consistently over 80 or 90 degrees all day, your AC unit might run more often to keep up. In some cases, it may never turn off – and that’s fine!

How cool should my house be if it’s 100 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.

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. When you’re gone during the day, you have the potential to save even more if you set the temperature 7° to 10° higher.

How cold is too cold for AC?

60 degrees FahrenheitRegardless of the model or brand, each air conditioner has the lowest temperature limit. The limit is usually anywhere below 60 degrees Fahrenheit. You shouldn’t turn your air conditioner on if the minimum outside temperature is below that.

Is it better to leave AC fan on or auto?

Keeping your fan on AUTO is the most energy-efficient option. The fan only runs when the system is on and not continuously. … If your fan runs continuously, moisture does not have a chance to drip outside. It blows back into your home and your AC works hard to remove extra moisture from the air.

What happens if you set your AC too low?

An AC that can’t keep up needs to be repaired You can see that even under normal circumstances it’s not a good idea to turn a thermostat down too low: the compressor will run longer without giving you better cooling.