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How Cigarette Smoke Can Impact Your HVAC System

We all know the dangers of smoking and secondhand smoke. But did you know that thirdhand smoke can be harmful to your HVAC system? Here’s how:

Like secondhand smoke, thirdhand smoke also contains toxic and cancer causing chemicals. It’s when the particles from cigarette smoke lingers. They can remain on surfaces for years and can be sucked into your HVAC system and spread throughout your home.

Besides not smoking, the next best solution is to smoke outside, far away from doors or windows where it can’t seep back inside. If that’s not possible, here are some things you can do to help keep your HVAC cleaner.

Frequent Filter Changes

The first line of defense against cigarette particles would be your air filter, they are made to trap contaminants. However, if the filter is dirty, it will let particles in. Being diligent with changing your filters will make your home’s indoor air quality cleaner.

Air Sanitizers

There are two types of air sanitizers. There are ones that chemically eat odors and then there are natural ones such as baking soda. If you’re concerned about thirdhand smoke, consider buying some.


Dusting the surfaces of your home can eliminate some of the particles. It’s also important to vacuum as particles can accumulate on the ground from smoking as well as dusting.

Clean The Ducts

Consider cleaning ducts as they can accumulate contaminants and may have residue.

Make sure your home’s HVAC system is clean and efficient by calling 72 Degrees Comfort Company at 515-965-7272 or email us at

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