Sometimes when we go into crawl spaces, we find the insulation literally hanging down or lying on the ground because it’s come loose. And it’s even worse in the summer since the hot outside air naturally tends to rise up from the crawl space into your home.Īdding insulation under the floorboards can make your home more energy-efficient, but once you have insulation, you need to keep an eye on it to make sure it’s staying in place. In the winter, that means cold floors and more work for your heat pump or furnace. Without insulation under the floorboards, a significant amount of air can travel up from the crawl space into your home. It’s also important to install and maintain the insulation in your crawl space. See Also: The Forgotten V in HVAC: Ventilation See Also: Keep Allergens Out of Your Home Insulate to Save Energy It’s also important to have working, clean gutters to direct rainwater away from your home’s foundation.Some homes need a dehumidifier installed in the crawl space to really keep them dry.Insulation around pipes and air ducts can help with condensation, although if not installed properly, the insulation itself may become damp and end up covered in mold.You may need to have a vapor barrier installed to cover the dirt floor.Dampness can also cause the wood beams of your home to rot and the moisture attracts insects. A dark, damp crawl space is the perfect place for organic growth. Too much moisture in your crawl space can lead to all kinds of problems over time. If the air outside is very humid, then the vents can actually increase moisture in the space rather than decreasing it. Vents can help your crawl space ventilation. If there are uninsulated pipes or air ducts running through the crawl space, condensation can form on them. If the crawl space has a bare dirt floor, then moisture can come up through the soil. One of the biggest problems in crawl spaces is moisture. See Also: Homeowner’s Maintenance Guide Keep It Dry If you don’t maintain it, it can cause serious problems and cost you a lot of money down the road. But it’s important to realize that the crawl space is literally part of the foundation of your home. Because homeowners don’t usually spend a lot of time in their crawl space, the area can easily be forgotten and neglected. What we find in there can be downright scary. Working on residential HVAC systems often takes us into the crawl spaces of homes.
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