How the Crawlspace Stack Effect Works
Written by pest expert Matthew Hess, Narrated by Ava
10/27/2025
The crawlspace stack effect works similarly to a chimney. Hot air rises and pulls air from beneath. But, did you know that this transfers air from your crawlspace into your living quarters? And that this air can be riddled with contaminants that could be making you sick?
In this video, Ava explains how the stack effect works, what it can cause, how to reduce contaminants, and who you can trust throughout the entire process. Here at Four Seasons Pest Solutions, we believe education is key to healthy, pest-free living, and our goal is to educate the public so each of you can make the best decisions about your health and your home’s health regarding pests.


Four Seasons Pest Solutions, Inc.