What to Know About Vented Vs. Unvented Crawlspaces in McMinnville, TN

The crawlspace beneath your home is often out of sight, but it has a significant impact on energy efficiency, indoor air quality, and even the structural integrity of your home. For homeowners in McMinnville, Tennessee, it’s essential to understand the differences between vented and unvented crawlspaces to make the best choice for your property.

Vented Crawlspaces

Traditionally, vented crawlspaces were intended to allow air to circulate, reducing moisture buildup beneath the home. While this approach can be effective in some climates, Tennessee’s humid environment often leads to more problems than solutions. Moisture from the outside can accumulate in the crawlspace, encouraging mold growth, wood rot, and even pest infestations. Over time, these issues can compromise both the health of your home’s foundation and the air quality indoors, as damp conditions can lead to musty odors and allergen buildup.

Unvented Crawlspaces

Unvented, or conditioned, crawlspaces are sealed and insulated to keep external moisture out, allowing for better humidity control. Complete Insulation offers an innovative crawlspace encapsulation solution known as the TRU-Encap system. This process uses closed-cell polyurethane spray foam to seal the crawlspace, providing a barrier against moisture while also adding insulation. By converting to an unvented crawlspace, homeowners can enjoy improved air quality, enhanced energy efficiency, and peace of mind knowing their crawlspace is protected from the elements.

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Interested in learning more about vented versus unvented crawlspaces? Complete Insulation’s experienced team in McMinnville, TN, can provide expert guidance. Contact us today to schedule a consultation and take the first step toward a healthier, more efficient home.

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- Derek Hinz

“The team who came from Murfreesboro, TN to our house in Chattanooga were amazing. We have a very large home. They removed all the old insulation from our three attics, sprayed with a decontaminate and then sprayed all the new insulation. All in one very long day. They were great to work with, came went they said they would, answered all our questions. Had to put the tubes all the way from the attic down to the first floor and out to the truck. They covered all the floors, stairs etc and left the place spotless. We are very pleased and would highly recommend this company.”
- Lorraine Forman

“I was building my own custom home and "interviewed" several spray foam insulators. It was clear Moody Ozier had a deeper knowledge of air sealing, R-value, and building codes than anyone else, so I went with Complete Insulation. He really took an interest in my hyper efficient build and came up with additional engineering ideas to further improve the efficiency of my home. I cannot say enough good things about Moody and Id tell anyone he's trustworthy, efficient, and knows the insulation and air sealing business to great depth. Jose, Fredy, and their crews showed up on time, in uniforms, with clean trucks and did a wonderful job on instal AND cleanup. They were incredibly professional at every step and it was clear they had years of experience. I recommend Complete Insulation to anyone with encapsulation and/or insulation needs whether you are new construction, retro fit, investor, or otherwise.”
- Chad Kozloski

What to Know About Vented Vs. Unvented Crawlspaces in McMinnville, TN

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