10 Best Dehumidifier For Crawl Space 2026 in the United States

The AprilAire E080W Smart Wi-Fi Dehumidifier is a strong choice if you need to manage moisture in a crawl space or a larger basement, covering up to 4,400 square feet with an 80-pint daily moisture removal capacity. This means it can handle quite damp areas and help prevent mold, odors, and wood damage effectively. The built-in pump for draining is a big plus in crawl spaces where a drain might not be easily accessible, making installation more flexible. It also includes everything needed for setup, so you won’t have to hunt for extra parts.

The smart Wi-Fi feature is convenient, letting you monitor and adjust humidity levels from your phone, which is useful if you don’t visit the crawl space often. It automatically controls humidity and shuts off when needed, helping to maintain a stable environment without much fuss. The included MERV 11 filter improves air quality by reducing allergens, which is beneficial if you’re concerned about health.

The unit weighs 63 pounds, so it might require assistance for installation or mounting. It consumes about 612 watts, which means it has moderate power usage that could impact energy costs if running continuously. While it is designed for large spaces, it may be more than needed for very small crawl spaces, potentially affecting cost-effectiveness for minimal moisture issues. This dehumidifier offers robust moisture control and smart features tailored for crawl spaces and basements, providing convenience and comprehensive coverage with moderate energy use.

The AprilAire E070W is a powerful dehumidifier designed for crawl spaces, basements, or homes up to 2,200 square feet. It can remove up to 70 pints of moisture daily, which is excellent for preventing mold, musty odors, and wood damage in damp areas. Its coverage fits well for larger crawl spaces or basements, making it a solid choice if you have a medium to large space to manage.

One of its standout features is the built-in Wi-Fi connectivity, allowing you to monitor and adjust humidity settings remotely via the AprilAire app. This is useful if you want to keep an eye on your crawl space moisture without frequent visits. The included condensate pump is a big help for installation flexibility, especially in places where a simple gravity drain isn’t possible — it quietly pushes water out even if the drain is higher than the unit. Installation is made easier with the comprehensive package that comes with everything needed, including a hanging kit and MERV 11 filter, which also helps improve indoor air quality by reducing allergens. The device runs automatically, turning on or off based on your set humidity level, and it includes safety features like automatic shutoff and overheat protection.

The unit weighs 56 pounds and uses up to 696 watts, which is relatively high power consumption compared to smaller models. While it’s quiet for a commercial-grade dehumidifier, noise levels may still be noticeable in very quiet crawl spaces. The price point is higher than basic models due to its smart features and included pump, so it’s better suited if you value remote control and installation flexibility. The AprilAire E070W provides an effective and convenient solution for those needing a robust crawl space dehumidifier with smart controls and reliable drainage options. It is ideal for protecting larger spaces while offering the convenience of Wi-Fi control, though it requires a bit more power and investment.

The AprilAire E080 is a powerful dehumidifier designed for large spaces like crawl spaces and basements up to 4,400 square feet. It removes up to 80 pints of moisture daily, which helps protect your home’s foundation and prevents mold, mildew, and odors common in damp areas. Its ENERGY STAR Most Efficient 2024 rating means it uses energy wisely, potentially saving you money on electricity. The built-in digital humidistat makes it easy to set your preferred humidity level—once set, it runs automatically to keep moisture in check without much fuss.

One of its biggest perks is the included pump and drainage options, allowing flexible installation even if a drain isn't nearby, which is often a challenge in crawl spaces. The hanging kit is another thoughtful feature that helps reduce noise and vibration by suspending the unit off the ground, plus it saves floor space and protects the unit in case of flooding. Speaking of noise, while not silent, it is designed to run quietly enough for crawl space use.

The washable MERV 8 filter improves air quality by catching dust and allergens, and it’s easy to clean annually to keep the unit working well. The use of R32 refrigerant shows AprilAire’s commitment to being environmentally responsible. Built tough with corrosion-resistant coils and a 5-year warranty, it’s made to last in tough, humid environments. The unit weighs 63 pounds, so installation might require some help, especially when using the hanging kit. It operates on a single fan speed and uses about 612 watts, which is average but could be a factor if you’re very energy-conscious. While it has automatic defrost and restart features, it’s best suited for crawl spaces that don’t get extremely cold. The AprilAire E080 offers high capacity, flexibility, and durability for crawl space moisture control, making it a solid choice if you want a reliable, energy-efficient dehumidifier with convenient drainage and mounting options.