Air conditioners outside a yellow home.
If you have a forced-air heating and cooling system, a whole-house air purifier can enhance its filtering capabilities. (DepositPhotos)

You may not know this, but while your heating and cooling system is capable of removing dust, it can’t get rid of smoke, pollutants or VOCs.

Those contaminants stay trapped inside your home because our houses today are so well sealed and insulated. So the air inside is actually more polluted than the air outside in many cases.

The convenience of conditioned air is great, but don’t forget the importance of bringing fresh air into your house. A supply fan can bring fresh, outside air into your home but then your furnace and air conditioner have to bring it to a temperature that’s comfortable for you.

An even better solution is installing a balanced air system like an Energy Recovery Ventilator, or ERV.

These systems transfer the temperature from stale air inside your home to a supply of fresh air coming into the house. Then, they exhaust the stale air to the outside while preserving the comfort inside your home.

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Editorial Contributors
Danny Lipford

Danny Lipford


Danny Lipford is a home improvement expert and television personality who started his remodeling business, Lipford Construction, at the age of 21 in Mobile, Alabama. He gained national recognition as the host of the nationally syndicated television show, Today's Homeowner with Danny Lipford, which started as a small cable show in Mobile. Danny's expertise in home improvement has also led him to be a contributor to popular magazines and websites and the go-to source for advice on everything related to the home. He has made over 200 national television appearances and served as the home improvement expert for CBS's The Early Show and The Weather Channel for over a decade. Danny is also the founder of 3 Echoes Content Studio,, and Checking In With Chelsea, a décor and lifestyle blog.

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