Quick Answer: What Is Too Cold For AC?

Is 72 too cold for AC?

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

Setting the thermostat at 78 degrees typically keeps enough cool air in the room for comfort..

What happens if you set your AC too low?

Air conditioners generally only cool at one speed (though some have variable speed settings to improve energy efficiency). Lowering the temperature too much only makes your air conditioner run for longer, increasing wear and tear on your AC along with your bills.

Can we use AC to warm the room?

Yes, but not in the way you’d think. Air conditioners only operate one way – if they see that the temperature in the place they’re facing is higher than what you’ve set them to, they’ll try to cool it down. … The AC will struggle valiantly to cool down the entire rest of the world and dump the excess heat into your room.

What is the best AC temperature to sleep?

A general recommendation is that the optimal temperature for sleeping is between 60⁰ and 67⁰ F, regardless of the season outside. To help ensure a better night’s rest, consider re-setting your thermostat before you go to bed, leaving enough time for the temperature in your bedroom to adjust.

What temperature should my AC be at night?

Best AC Temperature for Sleeping The best temperature for sleeping is said to be between 60° and 67°F. Opening the windows while you sleep is a good solution if you live in a cool climate. Then, closing the windows in the morning before it gets hot traps cool air inside and gives your air conditioner a head start.

Is 69 too cold 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 that you keep your thermostat set to no less than 68 degrees. Since 69 is above that temperature, it would most likely be safe.

What temperature is too cold for AC?

The general rule of thumb is that you should never run an air conditioner at 58 degrees F or lower unless you understand the system well enough to know it is designed to be run at lower exterior temperatures than most models — or can be run with the heat exchanger disabled.

Is 65 too cold for AC?

The Indoor Temperature Factor “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. … That’s why never going below 70 degrees is a safe practice.

Are you supposed to cover air conditioner in winter?

It keeps your air conditioner coils a little cleaner so it may run a little more efficiently when you use it again. A cover will prevent debris like leaves, sticks, and other yard waste from blowing into your A/C unit. Helps prevent water from directly resting on your coils and freezing, which could be damaging.

Should AC fan 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.

How do I winterize my air conditioner?

Time to Winterize Your Central Air ConditionerRemove leaves, twigs and grass clippings. … Locate the electrical circuit. … Install tubular foam or rubber pipe insulation with tees and elbows around pipes to protect against freezing. … Cover the HVAC unit with a waterproof Frost King air conditioner cover.More items…

What’s the lowest you should set your AC?

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

Should I cover my air conditioner in the rain?

Rain cannot harm the condenser, as long as the moisture can evaporate freely, and neither can the cooler weather of a Florida winter. In colder climates, some people cover the condenser during the winter to prevent accumulations of snow, leaves and debris, but it is not necessary.

How low should you set your air conditioner?

The Best Temperature Settings When You’re at Home To stay comfortable and save money this summer, the U.S. Department of Energy recommends setting your thermostat to 78F (26C) when you are home. Setting your air conditioner to this level will allow you to stay cool and avoid an unusually high electricity bill.

How low can I run my AC?

So How Cold Can You Set A Thermostat? Any good air conditioner can typically drop the temperature by a maximum of around 20 degrees Fahrenheit (11C). This is about as cold as the thermostat can get.

How do I protect my outside AC unit from rain?

However, putting a plastic or rubber tarp over your air conditioning unit during a rain storm may cause more harm than good. That’s because tarps can trap moisture and actually cause your outdoor unit (also known as the condenser) to rust or gather mold and mildew. So when it’s raining outside, leave the tarp alone.