Should you keep crawl space vents open or closed? ‘If you close unsealed ones without a dehumidifier, you’re in trouble’ – experts reveal how and when to close for less moisture, mold, and better energy efficiency in your home

Michael Rubino

November 13

While crawlspaces are out of sight, they should NOT be out of mind! Understanding vents is key to keeping them free from mold growth.

Knowing whether to keep your crawl space vents open or closed at particular times of year will transform the moisture levels in your home. But get it wrong, and it could lead to wider structural issues needing expensive repairs or mold remediation.

Knowing how to reduce humidity in a house and in a crawl space will help eliminate these issues and bring with it plenty of benefits including lower bills and less time spent on maintenance or dealing with mold.

Here our HVAC and air quality pros share what you need to know to successfully manage your home's air vents.

Should you keep your crawl space vents open or closed?

It’s a simple question with not such a simple answer as Michael Rubino, mold and air quality expert and founder of HomeCleanse explains, ‘In most cases, keeping crawl space vents closed year-round is best, especially if the crawl space is encapsulated or has a vapor barrier.

Read more here: https://www.homesandgardens.com/solved/should-you-keep-crawl-space-vents-open-or-closed

Michael Rubino
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Michael Rubino is your mold and indoor air quality expert.

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