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Company News

  1. World's first 100% hydrogen combustion technology for residential water heaters

  2. Notice Regarding Establishment of ESG Committee

  3. Notification of Organizational and Personnel Changes, including Executive Officer and Audit & Supervisory Board Member Changes

  4. Announcement of "Rinnai Group's Path to Becoming Carbon-Neutral"

  5. Rinnai Report 2021 (Integrated Report) Published

  6. Rinnai America Acquired Industrias MASS, Top Commercial-Use Water Heater Manufacturer in Mexico

Basic information

Message from the President

This page lists the message from Hiroyasu Naito, President and Representative Director to all.

About Rinnai

Rinnai's corporate philosophy, Brand and business plan are listed.

Company Profile

Company Profile

This page introduces information such as company overview, office information and corporate history.



Rinnai Report (Integrated Report) and Back Issue are listed.

Material Procurement

Material Procurement

This page posts procurement policy and items that Rinnai is looking for. Visit here for supplier registration.