What should central air be set at?

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?

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.

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. However, this is only necessary when you're in your home.

What should I set my central air to at night?

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).

What is a good central air temperature?

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.

Best AC Setting For Cooling: Best Air Conditioner Temperature to Save Money, Set AC to Auto or On?

Is 68 too cold for house?

While there's not exactly one answer, because every person's comfort level is different, Energy.gov recommends 68 degrees as the ideal thermostat temperature for winter. However, for every degree lower you set your thermostat, you could save between 1-3% of your heating costs.

Is 68 too cold for AC?

Additionally, lower settings can cause your evaporator coil to freeze. There isn't enough heat exchange, so ice forms on the coil, causing the system to stop working until it defrosts. Any temperature below about 68 degrees puts you in danger of freezing.

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.

Is 72 a good temperature for heat in the winter?

The lower the temperature is inside of the home, the slower the rate of thermal energy loss. To achieve optimal comfort, it is recommended for homeowners to set their thermostats between 68 to 72 degrees while there are people inside of the home.

What is the best temperature for AC in winter?

Set your thermostat to 68 degrees Fahrenheit in the winter

According to ENERGY STAR, setting your thermostat to 68 degrees Fahrenheit (20 degrees Celsius) when you're home is the ideal balance of comfort and energy efficiency.

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.

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 78 degrees good for AC?

Energy Star recommends keeping the temperature between the outside world and your home as close as is comfortable in order to be the most efficient and reduce energy costs. The agency recommends keeping your air conditioner at 78℉ when you're home in the summertime, 82℉ when you're asleep and 85℉ when you're away.

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 72 to low for AC?

Is 72 too cold for AC? In terms of your air conditioner's proper functioning, 72 degrees is well above the 60 degree 'bottom out' point. So, no, setting your air conditioner to 72 degrees won't pose an issue.

Should you turn off central air at night?

The outdoor nighttime temperature. If the nighttime air that comes into your home cools the indoor temperature to lower than you usually set the thermostat for the air conditioner, turning off the AC should save you some money.

What temp should a house be 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 many degrees should you turn down your thermostat at night?

According to Energy.gov, the better way to save money on heating bills is to set back the temperature of your home at least 8 degrees for 8 hours or longer (while you sleep). In fact, you can save 1% on your heating bill for every degree that you lower the thermostat.

Is 66 too cold for house?

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. This is a special problem if you live alone because there is no one else to feel the chilliness of the house or notice if you are having symptoms of hypothermia.

Is 77 too hot to sleep in?

Experts suggest an air temperature between about 66 and 70 degrees Fahrenheit is optimal for sleeping.

Why should you keep your house at 78 degrees?

Keep your house at 78 degrees to save energy during hot months, federal program recommends. Energy Star also said you should set your thermostat to 82 degrees when you're sleeping. The coolest you should keep your home is 78 degrees when trying to save energy during the spring and summer months.

Is 80 degrees too hot to sleep?

For most people, optimal sleeping conditions are between about 60° F and 68° F, and 40 to 60 percent humidity. Anything outside these ranges, experts say, and sleep quality plummets.

Is 67 too low for AC?

Setting the thermostat at a very low temperature is not good for your air conditioner. Setting your temperature at around, 60-67 degrees, prevents less heat exchange through the evaporator coil, meaning that there isn't enough warm passing through your evaporator to effectively keep it from freezing.

What happens if you set your AC too low?

If you lower the thermostat so it's set more than 20° lower than the current outside temperature, the AC won't be able to reach its target temperature. Instead, it will run and run, wasting larger amounts of energy and wearing down, possibly leading to it overheating and shutting down.

Does turning down the AC make it colder?

When you arrive, the house feels hot and stuffy, so you crank down the air conditioner to speed up the cooling process. In reality, turning down the air conditioner to a lower temperature won't result in faster cooling.