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Should Your Furnace Fan Always Be On?

January 11, 2021

Is there any better feeling than warm air coming from your vent on a cold night? Your furnace and central air systems work hard for you throughout the year, but few people consider the fan as a separate mechanism.

You know it comes on when you use the central air or furnace, but there is also a choice to keep it on all the time. Many people enjoy having the fan on around the clock, but some concerns go with it.

Our experts at East Side Ventilation examined the pros and cons of having your HVAC fan on all the time, so you can decide for yourself.

Benefits of Keeping The Furnace Fan Running

The thermostat has a setting to keep the fan running all the time or only when used for heating or cooling. One of the benefits of keeping the fan on all the time is you’re getting an even distribution of heating and cooling.

The system takes in air, runs it through the filter, and then sends it back out into your house. This keeps everything even.

Have you ever been in a home with little air circulation? The air can feel stagnant, but keeping your fan running all the time provides a constant circulation of clean air.

Your HVAC system takes a lot of use during the summer and winter months, especially with the constant starting and stopping of the fan. By having it run all the time, you’re reducing the wear and tear on the system and overall furnace repair.

Negatives of Having the Furnace Fan Running

While it can save wear and tear on your furnace, it’s also running all the time, which may increase your electric bill. It depends on how efficient your furnace is. One of the best ways to keep your furnace in top shape is yearly maintenance by East Side Ventilation.

You regularly replace the furnace filter when running the furnace, but if you have the fan on all the time, you’ll have to do it more often. The fan constantly circulates air and the filter traps particles and keeps them from going back into the home.

Another downfall of keeping the fan on during the summer and winter is it may circulate cold air in the winter and warm air in the summer when the respective systems aren’t in use.

Should You Keep the Fan on All the Time?

The decision is up to you because there are benefits to having the fan system running constantly. If the pros outweigh the cons for your home, then there is no reason not to.

If you don’t want the fan on all the time, then there is always the “Auto” option. This lets the fan run only when the furnace is in use. While it adds more stress to the system, you’ll save money on electricity.

Keep Your Furnace and Fan in the Best Shape

East Side Ventilation technicians are experts in all facets of furnace repair and maintenance in Winnipeg. If you run the fan all the time, then make sure to include a yearly furnace checkup to keep it working properly no matter the season.

If you want to learn more about heating and cooling, then contact our expert technicians today.


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