What is the coldest AC temperature?

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.


What is the coldest temperature to set an air conditioner?

What temperature is too cold for air conditioning? As a general rule of thumb, HVAC manufacturers usually recommend that users don't operate units for prolonged periods of time if the temperature is below 16-18 degrees Celsius.

Is 72 degrees too cold for AC?

When setting your thermostat, most homeowners find 72 is a good temperature for air conditioning. However, you may need to adjust that setting based on weather conditions. The bigger the difference between indoor and outdoor temperatures, the higher your energy bill will be.


Is 68 too cold for AC?

The lower limit

Even when the temperature outside isn't at heatwave levels, we recommend you don't lower the AC's setting below 68°F. This temperature is already more than cool enough for most people, and many will find it too cold.

Is 75 too cold for AC?

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.


Which temperature is the coldest in AC?



Is AC at 70 too cold?

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 64 too cold for AC?

HVAC manufacturers typically advise users not to run their units for extended periods if the temperature is below 65 degrees Fahrenheit. If you need to test your unit, you should do so after the weather has been risen to 60 degrees Fahrenheit for at least three days.

Is 65 to cold for AC?

Generally, most AC units will do well with a thermostat set somewhere between 65 and 80 degrees.


What temperature should my AC be set at night?

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).

Can you get hypothermia at 68 degrees?

Even mildly cool homes with temperatures from 60 to 65 degrees F can lead to hypothermia in older adults.

Is 62 too 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.


What should AC be set at in summer?

You want to be comfortable this summer without spending a lot of money on air conditioning, right? 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 at night?

The commonly recommended AC setting for summer is 78 degrees. However, some people would have a hard time sleeping at that temperature. They sleep sounder in a cooler bedroom. If you have trouble sleeping at higher temperatures, try setting your temperature to 72 degrees or even a bit lower.

Is 60 degrees too cold to run air conditioner?

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.


Is 50 too cold for AC?

It's advisable to turn on your AC if the temperature is about 59 degrees Fahrenheit or higher. This way, the oil that lubricates the parts of the AC will warm up before running through the equipment. Also, this practice will ensure there's no ice inside your condenser before you turn it on.

What is the coolest number in AC?

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.

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

According to the DOE, the ideal home temperature during winter weather is 68 degrees Fahrenheit. In comparison, the ideal air conditioner temperature during the summer months is 78 degrees Fahrenheit.


Is 69 too low for AC?

Turning your AC to 69 degrees is getting relatively close to the “danger zone” for causing it to freeze up and break. Typically, we recommend keeping your thermostat set to no less than 68 degrees. Since 69 is above that temperature, it would most likely be safe.

Why won t my AC go below 70?

A dirty air filter

Your air filter is designed to trap contaminants in the air before it gets pulled into the AC system. But over time that means that your filter gets dirty and clogged. And if a dirty filter isn't replaced, it can seriously limit your AC's cooling power.

How cool should my house be if it's 110 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 78 too hot for a house?

It turns out that the best indoor temperature for your home during the summer months is 78 degrees, according to the U.S. Department of Energy. If that temperature falls outside your comfort level, there are several ways to modify how your home feels without causing your energy bill to spike.

What temperature is too hot for a house?

What temperature is too hot for a house? Any temperature higher than 25.56 degrees Celsius or 78 degrees Fahrenheit is too hot for a house. However, it is worth noting that people living in naturally hotter climates lead normal lives despite the elevated temperatures.

How long should AC run in 90 degree weather?

On average, an air conditioner can cool your room in 15 to 20 minutes, after which the unit shuts itself down. However, if it is scorching hot outside and the temperature is above 80 degrees, your AC unit may run for the whole day. In some cases, it may never turn off!


Is 72 thermostat too high?

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.

Is it unhealthy to keep your house cold?

4Low indoor temperatures and insulation. Cold air inflames lungs and inhibits circulation, increasing the risk of respiratory conditions, such as asthma attacks or symptoms, worsening of chronic obstructive pulmonary disease (COPD), and infection.