10 Best Camping Water Heaters 2026 in the United States

The Rinnai RX160iN tankless water heater is a versatile option for camping or outdoor use, as it can run on natural gas or propane, giving you flexibility depending on your fuel availability. Its flow rate of up to 9 gallons per minute means it can supply hot water to multiple fixtures simultaneously, which is quite powerful for camping or RV setups needing consistent hot water. The unit’s heating capacity is strong at 160,000 BTUs, and it can heat water up to 140°F, ensuring rapid warming even in cooler environments. While it’s compact—about the size of a small suitcase and weighing 54 pounds—it isn’t very lightweight for backpacking but is manageable for RV or campsite installations where portability is moderate.

The Suburban Advantage RV Tank Water Heater SW10DE is a sturdy and reliable choice for campers who need a steady supply of hot water at their campsite. It uses fuel (gas) with an option to heat water electrically, which adds flexibility when you have access to a generator or campsite power. It has a 10-gallon porcelain-lined steel tank that resists corrosion and lasts long, similar to home water heaters. The direct spark ignition makes starting it simple and dependable, without needing a pilot light.

The Rinnai RX130iN is a versatile tankless water heater that works with both natural gas and propane, making it suitable for various camping setups. It delivers a strong water flow rate of 7.1 gallons per minute, enough to supply hot water to up to four fixtures simultaneously, which is great if you need reliable heating for multiple uses. Its heating capacity of 130,000 BTU ensures quick and consistent hot water, even in colder conditions.