Only Rinnai offers the quality and reliability that is built on a 45-year history of innovation and improvements. Rinnai commands quality through in-house design, engineering, and manufacturing, and ensures your satisfaction with in-house support.
History and Experience
Rinnai has over 30 million tankless water heater installations worldwide. We have been efficiently heating water since 1964, and selling our heating appliances in the United States since 1974. Rinnai is the world's largest gas appliance manufacturer.
Rinnai is the 2010 Builders' Brand Leader as chosen by home builders in Builder magazine. The Alliance to Save Energy awarded Rinnai their prestigious Super Nova Star Award for energy efficiency, and Bestcovery.com chose Rinnai as The Best Tankless Whole-House Water Heater.
In response to building owners’ and homeowners’ desire to lower costs associated with water heating, manufacturers are offering a wide array of products built on innovative technologies, such as tankless, condensing, high-efficiency storage, and cogeneration systems. Investing in an energy-efficient water heater can provide quick return on investment in homes and water-intensive commercial buildings such as multifamily housing, nursing homes, and restaurants.
For supreme energy efficiency, propane tankless water heaters are hard to beat. Because tankless units don’t need to maintain a stored water supply, standby energy losses can be reduced by up to 15 percent compared with storage water heaters. They also take up less space, are less subject to corrosion, and can last more than twice as long as a tank-style system. An ENERGY STAR–qualified tankless propane water heater can cut water heating bills by as much as 60 percent compared with a standard electric model, and reduce greenhouse gas emissions by up to 63 percent.
Condensing tankless heaters are a smart choice for buildings that use large volumes of water because they reduce energy losses from flue gases. Condensing units — which are typically about 95 percent efficient — capture the heat from the exhaust before it escapes into the vent system and use it to pre-heat incoming groundwater. Multiple tankless heaters can be configured and pre-assembled for easy installation in commercial or multi-use buildings where variable demand is high for reliable, endless hot water.
Propane is fueling an array of innovations that incorporate new fuel systems and technologies, including cogeneration units (also known as combined heat and power, or CHP) that combine space heating and water heating. Propane can even be combined with solar water heating, providing needed backup water heating for days when the sun doesn’t shine.
Learn more about propane water heating:
- Discover all the factors to consider when choosing a water heating system with our comparative water heating research.
- Check out a variety of training videos about water heating, including how-to videos such as Replacing an Electric Storage Water Heater with a Propane Tankless System.
- Visit the Propane Training Academy to earn continuing education credits while learning about energy-efficient options for water heating, including condensing tankless water heaters and propane-enhanced solar water heating.