Does a Whole House Fan Work in Every Season?

Does a Whole House Fan Work in Every Season?

Whole house fans are great for ventilating your home, even if it’s not hot outside. Did you know whole house fans aren’t just for summer? They have a host of benefits for using them, whatever the season.

What is a whole house fan, and how do it work?

A whole house fan is a large fan that you install into your attic space and runs 24/7. These fans will pull in fresh air from the outside, cooling down your home, and then push hot air out through vents in the eaves of your house.

Breeze Meme

Using a whole house fan is one of the best ways to cool your home during the summer. They’re also great at preventing moisture from building up in your home over winter and helping you save money on your utility bills.

How to Use a Whole House Fan in the Summer

When the outside air is cooler than the inside air, turn on the whole house fan. Open your doors and windows slightly to help circulate the cooler air in and out.

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Use During the Night to Naturally Cool your Home and Lower Energy Bills

A whole house fan will keep your home at a comfortable temperature. It can also help you save energy by circulating air throughout the house, meaning you don’t need to rely on your AC.

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The fan can also be used as a pre-cooler before you turn on your AC, which means your AC doesn’t have to work as hard, and that saves energy.

How to Use a Whole House Fan in the Winter

Whole house fans create air circulation throughout your house, helping you keep it comfortable all year.

House Fan Example

Get Rid of Stale Air

The goal of any good HVAC system is to provide clean, comfortable air throughout your home. Unfortunately, most traditional heating and cooling systems do not effectively remove indoor pollutants or keep them from returning after removal.


Whole house fans are designed to continuously circulate indoor air throughout the home, making them an essential part of any healthy HVAC system.

Reduces Moisture Buildup

Whole house fans are a great option if you have a high level of humidity inside your home. They’re designed to bring in fresh air, circulate it through the house and expel hot air.

Moisture Indoors

They can also help reduce moisture and humidity levels, leading to mold growth and other problems that can affect health.

You can use them at any time of year if you’re trying to reduce moisture buildup inside your home.

Vent Cooking Smells

Even if you enjoy cooking, getting rid of those lingering greasy smells can be a pain.

Cooking Meme

The good news is that if you have a whole house fan, it can be used to get rid of cooking odors in your home.

Whole house fans will circulate the air in your home, eliminating unwanted smells and keeping your home fresh. They pull air out of one side of your house and push it back in through another side, creating a constant flow of fresh air throughout the entire structure.

Of course, the amount of cooking odor removal depends on how long you leave the fan running after cooking. But in general, it can be very effective at removing those smelly cooking whiffs.

Extra Operating Tips

To enjoy the benefits of a whole house fan safely, make sure to follow these tips.

Close the Fireplace Flue when Using a Whole House Fan

Do you have a fireplace? If you do, you know the importance of ensuring the flue is closed while the fan is on. It’s essential to close the flue to prevent soot and ash from getting into your home.

Fireplace Safety

The fan will pull air from inside and outside your home and any other openings. This means that if you don’t close the flue, the fan will pull some smoke into your house. This could put you at risk of carbon monoxide poisoning.

Don’t Use Your Whole House Fan When the Humidity is High

When you use a whole house fan, it will pull in humid air from outside. This can make your home feel even hotter than before, since it will be filled with even more moisture than usual.

Using a whole house fan when humidity is high could cause water damage or mold growth on your ceiling and walls.

If you live in an area of high humidity, using your air-conditioning and a dehumidifier is a safer way to stay cool.

Want to find out more about whole house fans? Contact the HVAC experts at Service Champions today.

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