Crawl Space Fans

Venting a crawl space with outside air brings summer humidity and cold winter air into your home, which leads to damaging mould and rot underneath your home.

Installing a crawl space fan provides another way to ventilate a crawl space environment-- with the already-conditioned air present in your home. We install crawl space fans that fit with your home's air conditioning system.

It's best to install your crawl space fan as part of your crawl space vapor barrier system. When combined with our crawl space moisture barrier and vent covers, it provides a cost-effective way to keep a crawl space dry.

Installation Time:

Mounting a crawl space fan in between the floor joists and installing a vent to the floor above will be done within the specified time frame for the rest of the job.

Properly Ventilating A Crawl Space

There are many products on the market these days that are used to ventilate crawl spaces. Some suggest taking air inside your crawl space and blowing it out of the house. Others recommend blowing air from the outside into your home. But what if it's damp, humid, or cold outside?

At Island Basement Systems, we recommend installing a crawl space dehumidifier over using a crawl space fan. However, if you're looking for a more economical way to dry your space, a crawl space fan is the way to go.

Since an encapsulated crawl space becomes part of your housing envelope, you can dry it without significant changes in your home's energy efficiency. Depending on the size of your crawl space, this system will typically draw between 15 and 80 cubic feet of air per minute from the home above.

Call us for a free crawl space fan quote today!
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We service Central Saanich, Comox, Powell River, Parksville, Sooke, Sidney, North Sannich, Cobble Hill, Qualicum Beach and many nearby areas in British Columbia.

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our service area

We serve the following areas

Our Locations:

Island Basement Systems
273 Prospect Lake Rd
Victoria, BC V9E1J7
1-250-984-2363
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