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Boat Heaters & Dehumidifiers

      • Davis Air-Dryr Marine Dehumidifier
        $77.99
        $55.49

        Davis Air-Dryr Marine Dehumidifier The Davis Air-Dryr Marine Dehumidifier is a reliable solution for preventing moisture damage in your boat's enclosed spaces. Available in two sizes, this compact unit handles up to 1000 cubic feet (#1458) or 500 cubic...

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      • Starbrite No Damp Dehumidifier Bucket 16 oz
        $8.61
        $7.49

        Starbrite No Damp Dehumidifier Bucket Every home and boat needs this product to soak up humidity. The No Damp Bucket is an effortless way to help control excessive humidity that leads to musty odors, stains or corrosion aboard stored boats. Special...

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      • Starbrite No Damp Dehumidifier Refill
        $4.99
        $2.99

        Starbrite No Damp Dehumidifier Refill These Starbrite No Damp Dehumidifier Refill pouches can be used to refill all Starbrite No Damp Dehumidifiers. The special pellets automatically remove moisture from the air, depositing it safely in the convenient...

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      • Starbrite No Damp Ultra Dome Dehumidifier
        $27.99
        $15.99

        Starbrite No Damp Ultra Dome Dehumidifier No Damp Dehumidifier is the effortless way to help control the excessive humidity that leads to musty odors, stains or corrosion aboard stored boats, RVs or seasonal homes. The special pellets automatically...

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      • True North Cabin Heater
        $121.99
        $98.99

        Caframo True North Cabin Heater The True North Cabin Heater is a rugged electric heater with a built-in thermostat. This heater is equipped with 5 settings including steady heat to high output for maximum heat and circulation. The anti-freeze setting is...

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      • Caframo Stor-Dry 9406CAABX Warm Air Circulator
        $150.49
        $130.99

        Caframo Stor-Dry Warm Air Circulator The Stor-Dry low wattage warm air circulator is the "must have" product for the winterization season. The model 9406 Stor-Dry combats mold, mildew and musty odors in any boat that is closed up or winterized. This...

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      • Caframo Pali 400W Engine Compartment Heater
        $366.99
        $318.99

        Caframo Pali 400W Engine Compartment Heater Extend the boating season and protect your engine against surprise cold snaps prior to winterization. The Pali utilizes a self-regulating PTC heating element that cannot overheat. It meets all ignition...

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      • Forespar Tea Tree Power Gel - 4oz
        $34.45
        $22.99

        Tea Tree Power Gel - 4oz Tea Tree Power is the all-natural marine grade odor eliminator containing a proprietary blend of 100% Australian Tea Tree Oil and other natural ingredients. Its' powerful, yet pleasant smelling vapors, diffuse throughout your...

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      Boat heater

      Get More Than Just Gear — Enjoy Exclusive Perks When You Shop Wholesale Marine

      When you’re winterizing, the right gear matters, but so do the perks that come with it. Here’s why shopping at Wholesale Marine for your boat heater or dehumidifier makes sense:

      • Free Shipping Over $99 on qualifying orders, so you can stock up without extra costs.
      • Low Price Guarantee to make sure you’re getting the best deal on every boat dehumidifier or heater.
      • 90-Day Returns for risk-free shopping if your plans or storage setup change.
      • Captain’s Club Rewards to earn points on every purchase and save on future projects.

      Smart Picks for Cold-Weather Comfort and Moisture Control

      When the temperatures drop, condensation creeps in. That’s where our lineup of boat cabin heaters and dehumidifiers comes in, giving you an edge against freezing air and clammy interiors.

      Boat Heaters

      A dependable boat cabin heater adds serious comfort during off-season access and helps prevent freeze damage in tight quarters.

      • True North Cabin Heater: Compact, reliable, and built to last. Features five heat settings and an automatic anti-freeze mode that kicks in around 38°F. Perfect for overnight stays or extended dockside storage.
      • Caframo Pali Engine Compartment Heater: Designed specifically to prevent engine block freezing in tight spaces. Safe, ignition-protected, and thermostat-controlled.

      Boat Dehumidifiers

      Moisture is one of the biggest threats to your boat in storage. The right boat dehumidifier helps prevent mold, mildew, and corrosion in your cabin and compartments.

      • Davis Air-Dryr 1000 or 500: Low-profile and silent, these plug-in dehumidifiers use natural convection to gently dry out the air. Great for cabins, bilges, and closets.
      • Starbrite No Damp Dehumidifier Bucket or Bag: A simple, disposable moisture absorber that’s ideal for small spaces. Drop one in your cabin and let it do its thing.
      • Caframo Stor-Dry: Combines a low-watt heating element with a gentle fan to circulate air and eliminate dampness in enclosed areas.

      All products are stocked and ready to ship fast, so you’re not stuck waiting when the forecast turns.

      Why Boat Heaters and Dehumidifiers Matter for Winterization

      Moisture and freezing temperatures don’t take the season off; neither should your prep. A quality boat heater helps protect sensitive electronics, water systems, and personal comfort during winter storage or off-season trips. Pair that with a dependable dehumidifier, and you’ll cut down on mildew, rust, and that musty smell that loves to linger.

      Pro Tips:

      • Use a boat cabin heater with built-in safety features like thermostat control or anti-freeze mode for peace of mind.
      • For covered or shrink-wrapped boats, choose a boat dehumidifier with passive airflow or heat-based circulation to keep stagnant air from turning damp.

      With the right setup, you’ll open the cabin in spring without surprises.

      Prepare Your Boat for Winter with Wholesale Marine

      Don’t let moisture or freezing temperatures undo all the work you’ve put into your boat. Grab the boat heater or boat dehumidifier that fits your setup today and protect your cabin, gear, and systems through the off-season.

      Buy a boat cabin heater or a dehumidifier for boat storage today with our Low Price Guarantee!

      boat dehumidifier
      Boat cabin heater

      Frequently Asked Questions About Boat Heaters & Dehumidifiers

      Not sure which boat cabin heater or dehumidifier is right for your setup? Here are a few quick answers to help you make the right call before winter hits.

      Where should I place a dehumidifier for boat storage?

      Place your dehumidifier for boat storage in low, central spots like the cabin floor, bilge, or near electronics. Ensure good airflow for passive units, and for powered ones, plug them into a secure outlet with clear venting.

      Can I safely leave a boat cabin heater running unattended?

      It depends on the model. Always choose a boat cabin heater with built-in safety features like automatic shutoff, overheat protection, and an anti-freeze mode for peace of mind.

      How does a boat heater protect my boat in winter?

      Boat heaters help maintain a safe interior temperature, preventing frozen pipes, cracked fittings, and condensation inside the cabin. Many models also safeguard electronics and other sensitive gear stored onboard.