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Safe Reliable Boat Engine Heater
and Marine Heater Solutions

The Xtreme Marine Engine Compartment Heater was developed to provide a safe and consistently reliable solution to protect your boat’s engines and critical components from freeze damage. Whether part of your overall boat winterization strategy, or a way to extend your boating season in colder months, Xtreme’s boat engine heater is key. Our customer testimonials demonstrate the level of satisfaction our products have brought to boaters in the US and around the world. Read our Choose your Heater Guide to get the right heater for your boat.


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This year, we also released the Xtreme Marine Cabin Heater – designed to help keep your boat cabin (or RV spaces) comfortable during the colder months. This compact safe heater is a great addition for your winter boating. Get 20% off if you buy with an Xtreme engine heater.


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