10 Best Gas Water Heaters 2026 in the United States

The Rinnai RX130iN offers impressive versatility and convenience, making it suitable for various installation environments—both indoor and outdoor—thanks to its Versa Vent feature. It can operate on either propane or natural gas, providing flexibility depending on your fuel availability. With a flow rate of up to 7.1 GPM, it ensures you never run out of hot water, easily supporting multiple fixtures simultaneously, which is ideal for larger households or demanding applications.

The AO Smith BTR-200 Tank Type Water Heater stands out in the gas water heater category primarily due to its high energy efficiency and robust construction. Its ability to meet or exceed thermal efficiency and standby loss requirements ensures that it operates effectively, reducing energy consumption and saving on utility bills. Additionally, the electronic ignition feature simplifies the startup process, making it convenient to use. The heater is CSA certified and ASME rated, indicating a level of safety and quality that users can trust.

The Rheem RTGH-95DVLN-3 is a residential indoor natural gas tankless water heater designed to deliver up to 9.5 gallons per minute (GPM) of hot water, making it a good choice for medium to large households with multiple simultaneous water needs. It offers a flow range of 0.4 to 9.5 GPM and temperature settings from 100 to 140°F, allowing customization to your comfort and safety preferences. With an energy efficiency rating of 0.93, it uses fuel efficiently, which can help reduce utility bills compared to older tank-style heaters.