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Gas Tankless Water Heater

PURPOSE developed condensing water heater, which has around 95% thermal efficiency, with a secondary heat exchanger for the first time in Japan for a household hot water and home heating system.


Harmony Series

The products were developed and launched based on the concept of "Harmony" by taking harmony among building, living, and the environment into consideration. With the design which is full of high grade sense and presence, we are targeting to have the condensing water heaters gain further popularity in Japan.

North America

The products for North America has adopted an industrial design with elegant appearance.
The products comply with SCAQMD's ultra low Nox requirement of less than 20 ppm.
The products can be installed up to high altitude of 10,100 feet.

For more information on the products for North America, please click the following link.