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Dehumidifiers & Accessories

Professional moisture control starts with the right equipment. Walder Foundation Products supplies crawl space and basement dehumidifiers, replacement filters, hanging kits, duct kits, condensate pumps, and accessories for contractors nationwide.

Whether you're completing a crawl space encapsulation, basement waterproofing project, or replacing an existing unit, we offer professional-grade moisture control products from trusted manufacturers to help keep your projects moving.

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  • AprilAire E70 Dehumidifier Kit With Free Filter AprilAire E70 Dehumidifier Kit With Free Filter
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    AprilAire E70 Dehumidifier Kit With Free Filter

    Aprilaire
    $1,315.00
    Part of our e-series line of dehumidifiers, the AprilAire E070 is ideal for dehumidifying sealed crawl spaces. The E070 removes up to 70 pints (9 gallons) of moisture from the air per day. This helps keep your crawl space's humidity in the ideal range of...
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    $1,315.00
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  • Santa Fe Oasis105 Filter - MERV 13
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    Santa Fe Oasis105 Filter - MERV 13

    Santa-Fe
    $21.99
    MERV-13 Filter for superior filtration. This highly efficient filter is capable of trapping 90% of airborne particles and allergens such as mold spores, dust particulates, pollen spores, pet dander, and bacteria down to 0.3 microns in size. For greatest...
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    $21.99
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  • AprilAire E50 Dehumidifier AprilAire E50 Dehumidifier
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    AprilAire E50 Dehumidifier

    Aprilaire
    $1,559.99
    The E050 Dehumidifier brings professional-grade dehumidification to tight spaces where other models won’t fit or are too hard to maneuver into place. The smallest professional-grade dehumidifier on the market - 17% smaller than the leading...
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    $1,559.99
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  • AprilAire 5958 Condensate Pump Bracket
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    AprilAire 5958 Condensate Pump Bracket

    Aprilaire
    $62.99
    The AprilAire 5958 Condensate Bracket Kit securely mounts a compatible condensate pump directly to select AprilAire dehumidifiers for a clean, organized installation. Its durable steel construction helps simplify installations while keeping the...
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    $62.99
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  • AprilAire 5822 Dehumidifier Hanging Kit AprilAire 5822 Dehumidifier Hanging Kit
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    AprilAire 5822 Dehumidifier Hanging Kit

    Aprilaire
    $79.99
    The AprilAire 5822 Dehumidifier Hanging Kit is designed to suspend compatible AprilAire dehumidifiers beneath floor joists, keeping the unit elevated above the crawl space floor. Raising the dehumidifier can improve airflow, create additional slope for...
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    $79.99
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  • AprilAire 4856 Low Profile Condensate Pump Kit
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    AprilAire 4856 Low Profile Condensate Pump Kit

    Aprilaire
    $112.00
    The AprilAire 4856 Low Profile Condensate Pump Kit provides reliable condensate removal for compatible AprilAire dehumidifiers when gravity drainage is not possible. Its compact, low profile design makes it an excellent choice for crawl spaces,...
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    $112.00
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  • AprilAire E80 Dehumidifier Kit with extra filter AprilAire E80 Dehumidifier Kit with extra filter
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    AprilAire E80 Dehumidifier Kit with extra filter

    Aprilaire
    $1,793.99
    Part of our e-series line of dehumidifiers, the AprilAire E080 is one of our most energy-efficient models to date. Recognized as the Most Efficient of ENERGY STAR® 2022, it is ideal for dehumidifying your basement, sealed crawl space, or whole home...
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    $1,793.99
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  • AprilAire 5879 Dehumidifier Risers (4-Pack)
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    AprilAire 5879 Dehumidifier Risers (4-Pack)

    Aprilaire
    $38.99
    The AprilAire 5879 Dehumidifier Risers elevate compatible AprilAire dehumidifiers approximately 6 inches to improve condensate drainage, reduce vibration, and create a secure, level installation. Designed for crawl spaces and basements, the risers...
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    $38.99
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  • Santa Fe Compact70 Dehumidifier Santa Fe Compact70 Dehumidifier
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    Santa Fe Compact70 Dehumidifier

    Santa-Fe
    $1,410.00
    Introducing the Santa Fe Compact70 Dehumidifier, formerly known as the Compact2. This powerful yet space-saving dehumidifier is designed to eliminate moisture in basements and crawl spaces. Its horizontal design makes it perfect for low-clearance crawl...
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    $1,410.00
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  • WFP Adjustable Dehumidifier Risers - White WFP Adjustable Dehumidifier Risers - White
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    WFP Adjustable Dehumidifier Risers - White

    Walder Foundation Products
    $44.99
    The WFP Dehumidifier Risers elevate compatible dehumidifiers above the crawl space or basement floor to improve airflow, provide additional slope for gravity drainage, and help protect the unit from standing water. Each set includes four large and four...
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    $44.99
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  • AprilAire E100 Dehumidifier Kit with Extra Filter AprilAire E100 Dehumidifier Kit with Extra Filter
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    AprilAire E100 Dehumidifier Kit with Extra Filter

    Aprilaire
    $1,853.00
    Part of our e-series line of dehumidifiers, the AprilAire E100 is one of our most energy-efficient models to date. Recognized as the Most Efficient of ENERGY STAR® 2022, it is ideal for dehumidifying your basement, sealed crawl space, or whole home...
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    $1,853.00
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  • Santa Fe Oasis105 Dehumidifier
    Sale 9%
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    Sale 9%

    Santa Fe Oasis105 Dehumidifier

    Santa-Fe
    $2,059.00
    $1,882.00
    Our most versatile and energy-efficient dehumidifier, the Oasis105, is perfect for a wide range of applications, including whole-home, basements, attics, and crawl spaces. It features onboard digital controls, variable speed fan, dew point cut out, and a...
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    $2,059.00
    $1,882.00
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