Misconception: Crawl Space Dehumidifier With No Vapor Barrier

Installing a crawl space dehumidifier with no plastic is a mistake all homeowners should avoid. When it comes to crawl space humidity control, the dehumidifier is the heart, but you need other items to help. The Crawl Space Needs a Dehumidifier Crawl space dehumidifiers are vital in controlling humidity. Crawl space encapsulation with dehumidification can…

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Misconception: Fans Lower Crawl Space Humidity

When I first began studying crawl spaces, the foundation vent fan was the #1 recommended way to lower humidity. Dehumidifiers were touted as too expensive and an unnecessary gimmick. Crawl space encapsulation contractors are still viewed by some as snake oil salespeople with only one goal: to take your money. Just today we received a…

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Misconception: A Sump Pump Will Dry My Crawl Space

Will a sump pump by itself dry your crawl space? Many contractors we encounter are telling homeowners that installing a sump pump will keep the crawl space dry. Is that true? The term dry can mean different things so is it referring to standing water or humidity? What Sump Pumps Do The sump pump is…

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Misconception: Vapor Barrier Will Insulate Crawl Space

Many crawl space contractors tell homeowners the vapor barrier will insulate the crawl space. We have homeowners ask if this is true and the short of it is no. Vapor barrier is designed to inhibit moisture, not insulate (unless it is InsulBarrier). There are some insulation vapor barriers on the market and we use a…

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Misconception: Using HVAC to Control Moisture in Crawl Space

Are you planning to use your home’s HVAC to control moisture in the crawl space? What are the pros and cons of this project? Have you discussed moisture and crawl space humidity control with your Heating and Air Conditioning contractor? HVAC Removes Humidity Your home’s HVAC unit is great at removing high humidity. That is…

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