Boat Heaters and Accessories

Boat / marine bilge heaters and accessories from Xtreme Heaters are the ultimate defense against the icy grip of winter for your vessel. These saltwater-savvy heating systems are purpose-built to safeguard your boat's most vulnerable areas from freeze damage. Our bilge heaters don't just warm – they wage war on moisture and corrosion, ensuring your vessel's vital components stay dry and operational. Engineered with 20 years of marine expertise, these heaters are as tough as a seasoned mariner.

The accompanying accessories, from smart thermostats to corrosion-resistant mounting brackets, create a comprehensive fortress against the cold. Whether you're winterizing a weekend runabout or protecting a offshore cruiser, our USA-made bilge heating solutions offer the thermal artillery to extend your boating season. Don't let your boat become an ice cube – equip it with Xtreme Heaters' bilge heating tech that's as relentless as the sea itself.

Boat / marine bilge heaters and accessories from Xtreme Heaters are the ultimate defense against the icy grip of winter for your vessel. These saltwater-savvy heating systems are purpose-built to safeguard your boat's most vulnerable areas from freeze damage. Our bilge heaters don't just warm – they wage war on moisture and corrosion, ensuring your vessel's vital components stay dry and operational. Engineered with 20 years of marine expertise, these heaters are as tough as a seasoned mariner.

The accompanying accessories, from smart thermostats to corrosion-resistant mounting brackets, create a comprehensive fortress against the cold. Whether you're winterizing a weekend runabout or protecting a offshore cruiser, our USA-made bilge heating solutions offer the thermal artillery to extend your boating season. Don't let your boat become an ice cube – equip it with Xtreme Heaters' bilge heating tech that's as relentless as the sea itself.

  • Xtreme-Heater-XHEAT-400-watt

    Xtreme Heaters Small 400W XHEAT Boat Bilge Heater

    Sale

    Xtreme Heaters Small 400W XHEAT Boat Bilge Heater

    From $369.00 USD
    $399.00 USD From $369.00 USD
    Sale
  • Twin-pack-of-Xtreme-Heaters-400-watt-small

    TWO Xtreme Heaters Small 400W XHEAT Boat Bilge Heaters

    Sale

    TWO Xtreme Heaters Small 400W XHEAT Boat Bilge Heaters

    From $655.00 USD
    $750.90 USD From $655.00 USD
    Sale
  • Xtreme-Heater-600w Front-View

    Xtreme Heaters Medium 600W XXHEAT Boat Bilge Heater

    Sale

    Xtreme Heaters Medium 600W XXHEAT Boat Bilge Heater

    From $419.00 USD
    $466.95 USD From $419.00 USD
    Sale
  • Twin-Pack-of-Xtreme-Heaters

    TWO Xtreme Heaters Medium 600W XXHEAT Boat Bilge Heaters

    Sale

    TWO Xtreme Heaters Medium 600W XXHEAT Boat Bilge Heaters

    From $745.00 USD
    $840.90 USD From $745.00 USD
    Sale
  • Twin-Pack-of-800w Xtreme-Heaters

    Xtreme Heaters Large 800W XXXHEAT Boat Bilge Heater

    Sale

    Xtreme Heaters Large 800W XXXHEAT Boat Bilge Heater

    From $469.00 USD
    $516.95 USD From $469.00 USD
    Sale
  • Twin-Pack-of-Xtreme-Heaters

    TWO Xtreme Heaters Large 800W XXXHEAT-Boat Bilge Heaters

    Sale

    TWO Xtreme Heaters Large 800W XXXHEAT-Boat Bilge Heaters

    From $835.00 USD
    $930.90 USD From $835.00 USD
    Sale
  • Xtreme Cabin Heater Side View

    Xtreme Heaters Boat, Cabin, RV Heater XTRCAB Cabin Heater

    Sold out

    Xtreme Heaters Boat, Cabin, RV Heater XTRCAB Cabin Heater

    $129.00 USD
    $139.99 USD $129.00 USD
    Sold out
  • Xtreme-Heaters-Boat-and-RV-heater-quick-release-bracket

    Xtreme Heaters Quick Release Bracket for Small 400w Bilge Heater

    Xtreme Heaters Quick Release Bracket for Small 400w Bilge Heater

    $47.95 USD
    $47.95 USD
  • Xtreme-Heaters-Boat-and-RV-heater-quick-release-bracket

    Xtreme Heaters Quick Release Bracket for Med600w/ Large800w Xtreme Bilge Heater

    Xtreme Heaters Quick Release Bracket for Med600w/ Large800w Xtreme Bilge Heater

    $47.95 USD
    $47.95 USD
  • heater mounting bracket

    Xtreme heaters Mounting Bracket for 600w, 800w, 1000w heaters.

    Sold out

    Xtreme heaters Mounting Bracket for 600w, 800w, 1000w heaters.

    $47.95 USD
    $47.95 USD
    Sold out
  • freeze-spray-for-testing-bilge-heaters

    Xtreme Freeze Spray 3.5oz - XTRFS

    Sale

    Xtreme Freeze Spray 3.5oz - XTRFS

    $19.99 USD
    $24.99 USD $19.99 USD
    Sale
  • marinco-power-adapters

    Marine Plug Adapter 30A 125V Male to 15A 125V Female

    Marine Plug Adapter 30A 125V Male to 15A 125V Female

    $32.99 USD
    $32.99 USD
  • Marine Plug Straight Adapter, 15A 125V Male to 30A 125V Female

    Marine Plug Straight Adapter, 15A 125V Male to 30A 125V Female

    Marine Plug Straight Adapter, 15A 125V Male to 30A 125V Female

    $32.99 USD
    $32.99 USD
  • marinco-power-adapters

    Marine shore power Adapter Pigtail L5-30P Male to 5-15R Female

    Marine shore power Adapter Pigtail L5-30P Male to 5-15R Female

    $39.99 USD
    $39.99 USD