Question: Is It OK To Run HVAC Fan Continuously?

How long should I run my HVAC fan?

Simple answer is that the fan only has to run while AC is running.

Having fan running whatever minutes per hour helps with equalizing temperature throughout the house and you can set it to whatever you feel comfortable with..

Should I leave my fan on when lights are off?

As always, both exhaust and oscillating fans should be running during the light hours. … In case you’ve 2-3 oscillating fans, 1 intake fan and 1 exhaust fan, keep the oscillating fans on for the entire dark period. And turn the other fans off after 1 hour after the light goes off.

What is the difference between fan on and circulate?

When the heat is on, the fan will only turn on as your home heats up. When cooling, the fan will only run while your air conditioner is running. Some thermostats now offer a “Circulate” setting that will turn your fan on for a set period of time to help in circulating the air.

Is it expensive to run HVAC fan?

A typical AC fan motor uses about 500 watts when it’s running. … Therefore, the fan uses about 360 kWh per month in the ON mode. The average kWh in the US costs about $0.12 so it costs about $43 per month, or about $520 per year, to run a fan continuously.

How cool should my house be if it’s 90 outside?

Consider ramping up the dial 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.

How long can a fan run continuously?

Most fans are rated as operable for over 10 thousand hours non-stop, without overheat. Plus any Residential Circuit can stay on for 40 years if there weren’t any brownouts, bulb or utility failures.

How do you know a thermostat is bad?

There are several common symptoms associated with a bad or failing thermostat that will alert you that service is due.Temperature gauge reading very high and engine overheating. … Temperature changing erratically. … Coolant leaks around the thermostat housing or under the vehicle.

Should I keep my fan on furnace continuously run?

A common question people have is “should I run my furnace fan continuously?” The main benefit of running the furnace fan continuous is that you will have better circulation of your home’s heated or cooled air. … Running your fan continuously will give you even temperatures all throughout your home.

Why does my HVAC fan keep running?

The most common reason that your Air Conditioner fan won’t turn off is because a stuck relay keeping the circuit closed. … Double-check the thermostat and make sure the fan is not set to ON, and that it still runs when switching it to AUTO or OFF (if your thermostat has an OFF setting).

Should I leave my fan 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.

Should you run your furnace fan 24 7?

Keeping the fan on creates a more even distribution of heating and cooling, circulating the air if you have cold or hot spots in your house, like a bedroom above a garage. … Leaving the fan on 24/7 ensures cleaner air, as the air is pulled through the filtration or UV light system.

What is a good temperature to set your thermostat in the summer?

78FTo 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.

Is it cheaper to run AC or a fan?

Fans are cheaper to run than air conditioners, and can be used in place of air conditioners or along with them to save money. … You can actually raise the thermostat on your air conditioning unit by 4 degrees without lessening the cooling effect if you turn on the ceiling fan.