Should my thermostat 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.

What's the difference between fan and AUTO on thermostat?

The fan setting controls your AC's blower; A fan inside your system that helps distribute air throughout your home. AUTO means the fan turns on “automatically” ONLY when your system is heating or cooling your air. When the thermostat reaches your temperature setting, the system, including the blower fan, shuts off.

Should thermostat be on AUTO or fan in winter?

"auto" is the best setting for your furnace fan in the winter. It will aid in saving energy and money while also working to keep your home at an optimal temperature. However, for summer, "on" is the best setting for your furnace fan.

When should I use the fan on my thermostat?

The fan setting pulls air through the filter continuously, offering an effective way to clean the air if you're suffering from poor indoor air quality. If you're dusting, vacuuming, sweeping, or completing projects that release odors and particles into the air, consider turning on the fan setting while you work.

What's the difference between AUTO and fan on AC?

The blower fan pulls warm air into the AC to be cooled, then blows the cool air back into your home. When you select the: AUTO setting, it means the fan will only turn on when your system is cooling air. ON setting, the fan will run non-stop—even if your AC isn't actively cooling your home's air.

Should I Set My Thermostat To Fan On Or Auto?

Is it OK to leave AC fan on all the time?

Leaving the fan on eases the strain on the HVAC system. Constant motion means fewer stops and starts, which can extend the lifespan of your unit. Constant fan use keeps the air in your home circulating through your air filters and UV sterilizers if you have them.

What is the most common thermostat setting?

A universal guideline for a normal summer thermostat setting is 78° F. However, this condition should be set for when you're at home during the daytime. For optimal comfort to cost ratio, your home thermostat temperature range will vary throughout the day.

What does turning the fan on the thermostat do?

Turning the fan on will pull air through your filter continuously. If you have an indoor air quality system like an air cleaner or an air purifier, the fan setting will put these to work as well. In normal conditions, you don't need to cycle air constantly to keep it comfortably clean.

Should the fan on my furnace be running constantly?

Better Indoor Air Quality

Whenever the fan is on, air is going through the furnace filter. Leave it on continuously and you're likely to see less dust around. It's also important to have a good filter. The many types of HVAC filters can help reduce allergies, VOCs, as well as bacteria and viruses.

Does running the fan save electricity?

The fan being on when the AC is not in use will result in blowing hot air through the house. This, in turn, means the AC will kick on more often and work harder to cool the air. Most fans are quite energy efficient, especially in newer systems. The fan itself runs about as much energy as a refrigerator would.

Should furnace fan be on all the time in winter?

Furnace fans are designed to run all the time, so there's no need to worry about it failing prematurely. Much of a furnace fan's wear and tear comes from the starts and stops of the motor; keeping it running can eliminate this type of stress.

Is it good to turn on fan with AC?

A fan cannot provide the cold air that an air conditioner does. Just like an A/C cannot provide the circulation of a fan. Positioning your fan so that it is near the A/C vent helps distribute cold air faster and more efficiently than the A/C alone could.

What does AUTO mode mean on a thermostat?

Most thermostats allow you to control how long fans operate. On the auto setting, fans stay on throughout the heating or cooling cycle. When the desired temperature is reached, the unit and the fans stop. Fans use less energy on the auto setting because they only run when the furnace or air conditioner is on.

Is it better to leave AC on auto or off?

Your AC will actually run longer overall if it is left on all day instead of being shut off. If you turn it off for part of the day, it runs less and results in more energy savings for you. In almost all cases, it will save you money to shut off your AC while you are away from home.

How do you turn off the fan on a thermostat?

When you find the setting for the fan, you should see an off switch, an on switch, and an auto switch. You probably want your fan set to the auto switch. Make sure the switch is set to this setting. If you set your thermostat to the off position, it will keep the fan off entirely.

How can I make my heat pump more efficient in the winter?

Set it and forget it in the winter.

Heat pumps operate most efficiently when holding a steady temperature. Turning a heat pump down when you're away or asleep may actually use more energy than leaving it on. The reason is that it has to work harder to come back to the desired temperature than it does to maintain it.

Is it expensive to run the furnace fan?

Higher Energy Costs

A standard furnace fan motor uses about 400 watts of electricity every hour. Assuming a national average of 12 cents per kilowatt-hour, let's see how much that would cost you in the long run. If you run your furnace fan twenty-four hours a day, it will cost you a little more than $1.15 every day.

How often should furnace fan run?

You shouldn't need to run your fan continuously (or even often) if you have a newer HVAC system. These systems have a fresh-air intake that brings in some outdoor air which might need to be cooled or heated. Running your fan can make it harder for your AC or furnace to handle this extra work.

What is the best thermostat setting for winter?

The ideal thermostat temperature in the winter is 68 degrees Fahrenheit when you're at home. Energy.gov suggests that 68 degrees is a good room temperature while you're awake at home but recommends lowering it while you're asleep or away.

What is the best thermostat setting for summer?

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 is the healthiest temperature to keep your 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. However, these temperatures aren't perfect for every situation.

Is auto mode good for AC?

It gives you better comfort - Setting your aircon to auto mode can not only do wonders for your electricity bill, but for your overall air conditioner experience as well.

What should I set my AC to?

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.

Does a fan or AC use more electricity?

The cost of air conditioning

It takes significantly more energy for an air conditioner to move heat around than it takes a fan to blow air onto your skin. As a result, parking yourself in front of a fan is significantly more energy efficient. Fans use around 1% of the electricity consumed by air conditioners.

What does Honeywell fan auto mean?

The Auto position will allow the system fan to operate whenever the heating or cooling system is turned on by the thermostat. The fan will not blow air unless there is a call from the system.