10 Best Camper Hot Water Heaters 2026 in the United States

The Suburban Advantage RV Tank Water Heater SW10DE is a robust choice for those needing a reliable hot water solution for their RV. With a 10-gallon capacity and a porcelain-lined steel tank, it promises durability and long-lasting performance. The unit features direct spark ignition (DSI) and an Incoloy electric element, offering the flexibility to use either gas or electric power depending on what's available, which increases its versatility significantly.

It has a recovery rate of 10.1 gallons per hour when using gas and 6.1 gallons per hour with electric, ensuring you get hot water quickly and efficiently. Its compact dimensions (16.21”W x 16.21”H x 20.50”D) make it a suitable fit for most RV spaces, and it weighs 46 pounds, which is fairly manageable. Installation and maintenance are simplified due to its replaceable anode rod that also serves as a drain. Energy efficiency is a strong point, thanks to its exclusive heat transfer technology designed to save energy and heat water faster.

One potential drawback could be its flow rate of 0.45 gallons per minute, which might be on the lower side for some users. Additionally, while it boasts a solid construction, the initial installation might require professional help if you are not familiar with RV water heaters. This water heater is ideal for RV owners looking for a mix of durability, efficiency, and flexibility in their hot water system.

The Suburban Advantage RV Tank Water Heater SW6D is a 6-gallon capacity unit, making it suitable for providing hot water in a camper for activities like showering and dishwashing. Constructed with a porcelain-lined steel tank, it promises durability and longevity akin to residential water heaters.

The advanced corrosion protection via a replaceable anode rod is a significant benefit, as it extends the tank's lifespan and simplifies maintenance, ensuring the unit remains reliable over time. This water heater operates primarily on gas with a BTU/h rating of 12,000, but it also supports an optional electric element, offering flexibility if you're at a campsite with electric hookups or using a generator.

Its recovery rate is efficient, with 10.1 gallons per hour on gas and 6.1 gallons per hour on electric, meaning it heats water relatively quickly. The exclusive heat transfer technology further enhances its energy efficiency, ensuring you get hot water faster while saving on fuel.

The Suburban Advantage RV Tank Water Heater SW6DE is a durable option for those in need of reliable hot water in their camper. With a 6-gallon porcelain-lined steel tank, it mimics the longevity of residential water heaters, providing years of service. One of its standout features is the advanced corrosion protection with a replaceable anode rod, which also functions as a drain, making maintenance easier.

This heater offers dual fuel options: it can run on gas, delivering a fast recovery rate of 10.1 gallons per hour, or on electricity, with a recovery rate of 6.1 gallons per hour, adding flexibility for campsite or generator use. The exclusive heat transfer technology optimizes energy usage, making it efficient and quick to heat water.