10 Best Rv Gas Water Heater 2025 in the United States

The Ranein 65,000 BTU RV Tankless Water Heater is designed to deliver instant hot water on demand, making it ideal for RV users looking for a consistent and efficient heating solution. Its tankless design means you won't have to wait for water to heat up, and with a maximum heating power of 65,000 BTU, it can provide up to 3.9 GPM of hot water, ensuring long, comfortable showers.

The temperature range of 95°F-124°F and the built-in thermostatic chamber help maintain a steady temperature, preventing overheating and ensuring efficient propane use. This unit is CSA certified, enhancing its safety and reliability, and features an automatic gas shut-off in case of flame failure, a forced exhaust fan for stable combustion, and an anti-freeze device that activates below 42.8°F to prevent freezing.

The multi-function remote control offers convenient monitoring of gas usage, voltage, and other operational parameters, making it easy to manage the heater. However, users should note that the door kit is not included and must be purchased separately, which adds to the cost. Installation requires a 12V RV voltage, limiting its use to those with compatible RV systems.

The Suburban Advantage RV Tank Water Heater SW10DEL is designed with a 10-gallon porcelain-lined steel tank, which is beneficial for durability and longevity. The inclusion of an anode rod helps to reduce corrosion, extending the heater's life span. With a Direct Spark Ignition (DSI), it provides a convenient and efficient way to ignite the heater without needing a pilot light.

The heater boasts a BTU rating of 12,000, indicating a decent heating capacity, and a watt rating of 1400, which is standard for electric elements. Its dimensions (16-7/32" Height x 16-7/32" Width x 20-1/2" Depth) make it a compact solution suitable for most RV spaces.

This heater is ideal for RV owners looking for a reliable and durable water heating solution.

The Suburban Advantage RV Tank Water Heater SW10DE offers a solid solution for those seeking reliable hot water in their RV. The 10-gallon porcelain-lined steel tank is built for durability, ensuring longevity that mimics residential water heaters. The use of a replaceable anode rod provides advanced corrosion protection, which is a significant benefit for extending the unit's lifespan and simplifying maintenance.

This water heater features a direct spark ignition (DSI) system and an optional Incoloy electric element, making it versatile for use with either gas or electric power, perfect for various campsite setups. The product dimensions (16.22" x 16.22" x 20.50") make it a compact option, fitting well in most RVs while delivering a substantial 12,000 BTU/h heating capacity.

The recovery rate is commendable, with 10.1 gallons per hour on gas only and 6.1 gallons per hour on electric, ensuring a steady supply of hot water. However, the maximum flow rate of 0.45 gallons per minute may be a limitation for those requiring higher water flow. The heater's energy efficiency, augmented by Suburban's exclusive flue tube design, ensures optimal heat transfer and faster heating times, which could help save on energy costs. The product is backed by a 2-year limited warranty and a 3-year tank limited warranty, providing peace of mind. Weighing 46 pounds, it may require careful handling during installation. This water heater is a good fit for RV owners who prioritize durability, energy efficiency, and reliable performance, while those needing higher water flow rates might need to consider other options.