Heating

Stay Warm on the Water: Marine & RV Heating Systems

Whether you're extending your boating season into the colder months, spending a weekend aboard a liveaboard vessel, or maintaining a recreational vehicle through the winter, a reliable heating system isn't a luxury — it's a necessity. The Heating category covers everything from cabin furnaces and hot water heaters to engine compartment warmers and replacement heating components, all engineered to perform in the demanding marine and RV environment.

Why Heating Systems Matter for Marine & RV Use

Cold weather presents unique challenges on the water and in recreational vehicles. Unchecked freezing temperatures can crack engine blocks, burst water lines, and make onboard spaces dangerously uncomfortable. A well-chosen heating solution does more than keep occupants warm — it actively protects your investment. Cabin heaters control humidity and reduce condensation and mildew buildup, while bilge and engine compartment heaters safeguard critical mechanical systems from freeze damage. Hot water heaters add onboard convenience for showers and cooking, transforming a weekend trip into a genuinely comfortable experience.

What to Look for When Shopping Heating Equipment

Selecting the right heating system starts with understanding your application. Key factors to consider include:

• BTU output: Match the heater's heat output to the size of the space you need to warm. Manufacturer BTU charts are a helpful starting point.
• Fuel type: Propane/LP gas furnaces are common in RVs, while diesel-fired and electric systems are popular in marine applications. Choose what's most practical for your setup.
• Installation type: Ducted systems distribute heat throughout multiple zones, while direct-discharge (zone) heaters are simpler to install and ideal for smaller spaces.
• Power draw: For boats and RVs relying on battery banks, low-amp DC furnace motors and energy-efficient designs help preserve power reserves.
• Replacement parts availability: Burners, thermostats, ignition components, and access doors should be readily available to keep your system running season after season.

Top Brands in Marine & RV Heating

Suburban Mfg is one of the most trusted names in this space. Suburban Manufacturing pioneered space-saving, horizontally vented gas heating systems, solid-state spark ignition systems, and efficient DC furnace motors, becoming a cornerstone supplier to the RV industry since the late 1960s. Today, their lineup of furnaces and water heaters — spanning the NT Series, SF Series, and SW Series — remains a go-to choice for boaters and RV owners who demand dependable, long-lasting performance.

Briggs & Stratton brings its legacy of small engine and power equipment engineering to heating applications, offering reliable solutions for those who need dependable power generation and thermal management in off-grid marine and outdoor settings.

No matter your vessel or rig, investing in the right heating system means more time enjoying the water and less time worrying about the cold. Browse our full selection of heating products to find furnaces, water heaters, replacement parts, and accessories built for life on the water and the road.