10 Best Rinnai Tankless 2025 in the United States

The Rinnai RXP199iN is a versatile tankless water heater suitable for both indoor and outdoor installations, thanks to its adaptable Versa Vent system. With the capacity to deliver up to 11.1 gallons per minute, it can efficiently supply hot water to multiple fixtures simultaneously, making it ideal for larger households or small businesses. Powered by natural gas or propane, this model offers flexibility in fuel options, and its high energy efficiency of 98% helps minimize utility costs.

The Rinnai RX199iN is a versatile tankless water heater that can be powered by natural gas or propane and installed indoors or outdoors. With a maximum flow rate of up to 11.1 gallons per minute, it can support multiple fixtures simultaneously, which is ideal for families or homes with high hot water demands. Its compact design, roughly the size of a small suitcase, makes it easier to install in various spaces without taking up too much room.

The Rinnai RU130iP is a propane-powered tankless hot water heater designed for indoor installation, delivering a strong flow rate of up to 7 gallons per minute. This means it can comfortably supply hot water to 2-4 appliances at the same time, making it a good choice for medium-sized households. Its tankless design helps save space and energy by heating water only when you need it, rather than keeping a tank full all the time. The unit includes Circ-Logic technology, which can work with an external pump to minimize the wait for hot water at your faucets, a convenient feature for reducing water waste.