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Rinnai is a Japanese company that has been around since the early 20th century. Rinnai first started as a manufacturer of cooking stoves. In the early 1960’s they started making water heaters. Over 30 million Rinnai tankless water heaters have been installed worldwide.
A tankless water heater does things a little differently than old school water heaters. First of all, they are considerably more compact in size and don’t take up as much room in your home. Energy efficiency is also a key difference. So, if you don’t want to run out of hot water the next time you’re taking a luxurious bubble bath, install a sleek Rinnai tankless water heater.