Sealed vs. Vented Crawlspaces in Florida: A Home Inspection Company’s Perspective

We’re committed to helping Florida homebuyers see the full picture of any home they’re considering—especially the parts that aren’t immediately visible. One area that often raises questions during an inspection is the crawlspace. In particular, many buyers are unaware of the important differences between sealed (unvented) and vented crawlspaces. The type and condition of a crawlspace can directly affect a home’s structural integrity, indoor air quality, energy efficiency, and even long-term maintenance costs. That’s why understanding these spaces—how they function, their advantages, and their drawbacks—is essential when evaluating a Florida home. What Is a Crawlspace? A crawlspace is a hollow area between the ground and the first floor of a home. It typically ranges from 1 to 3 feet in height and allows access to plumbing, wiring, ductwork, and structural supports beneath the house. Unlike basements, crawlspaces are not intended to be habitable or used for storage. While many Florida h...