Rinnai Global

What Rinnai Global does

Rinnai Corporation is a Japan-headquartered (Nagoya), 105-year-old manufacturer of heat-energy appliances publicly traded on the Tokyo Stock Exchange (ticker: 5947). The company designs, manufactures, and sells water heaters (tankless, storage, and the hybrid ECO ONE system that combines an electric heat pump with a high-efficiency gas water heater to achieve 138% primary energy efficiency), kitchen appliances (gas stoves, built-in hobs, ovens, and the Leggiero waterless cooking pot), gas clothes dryers, and heating/cooling systems. Its technology portfolio includes the world's first 100% hydrogen combustion technology for residential water heaters and a co-development partnership with Toyota for hydrogen-powered cooking in Woven City. The company generates revenue primarily through B2B/B2C hardware sales, with a "locally produced, locally consumed" go-to-market executed via 48 group companies (14 domestic, 34 overseas), covering 17 countries directly and reaching 79 countries through distributors; this network is the principal distribution moat.

Rinnai holds dominant positions in several regional markets: #1 brand for tankless water heaters in North America, ~60% share of Indonesia's tabletop cooker market, 30% of Australia's instantaneous gas water heater market, and 33% of Mexico's commercial-use water heater market (the latter via the 2021 acquisition of Industrias MASS). Beyond its core product lines, Rinnai has been actively expanding adjacent energy offerings — acquiring Smart Energy Group (Australia) in August 2024 to enter photovoltaic and battery storage distribution, and acquiring MT Industrial (Peru) in October 2025 to build a Latin American presence beyond Mexico. The company has committed to a carbon-neutral pathway targeting 50% emissions reduction by 2030 and zero CO2 by 2050, backed by ¥50+ billion of investment over five years, and is a long-term constituent of the FTSE4Good Index Series (since 2004) as well as other GPIF-adopted ESG indices. The current business model is overwhelmingly hardware-led, with design-led premium positioning validated by multiple Red Dot, iF, and Good Design awards.

Name

Rinnai Global

Legal name

Rinnai Corporation

Website

https://rinnai.com

Company type

Public

Founded year

1920

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Rinnai Corporation is a Japan-based, publicly traded manufacturer of water heaters, kitchen appliances, and heating/cooling systems, selling through 34 overseas subsidiaries in 17 countries and reaching 79 countries, with leading market positions in tankless water heaters, hybrid heat-pump/gas systems, and hydrogen combustion technology for residential use.

Ownership category

akta.pro rank

Product category

Residential Water Heaters and Kitchen Appliances

NAICS

Household Appliance Manufacturing (3352), Major Household Appliance Manufacturing (33522), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Small Electrical Appliance Manufacturing (335210)

SIC

Household Appliances (3630), Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430)

akta.pro primary industry

Water Heating & Treatment Appliance Retail (Water Heaters, Water Softeners, Filtration Systems) (CRACACAF)

akta.pro secondary industry

Specialty Kitchen Appliances Retail (Sous Vide, Dehydrators, Ice Cream) (CRACADAF)

Keywords

• Tankless water heaters
• Gas kitchen appliances
• Hybrid heating systems
• Residential heating equipment
• Commercial water heating

Headquarters

HQ city

Nagoya

HQ country

Japan

HQ region

Asia

Offices11 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Water Heaters: Tankless and hybrid water heaters for residential and commercial applications. Core product category with leading market position in Japan and North America.
2. Kitchen Appliances: Gas stoves, built-in hobs, ovens, and cooking equipment sold globally through regional subsidiaries.
3. Heating and Cooling Systems: Ducted heating/cooling systems, fireplaces, room heaters, and air-conditioners primarily in Oceania markets.
4. Housing Equipment Distribution: Sales of water heaters, home appliances, and sanitary equipment with installation and maintenance services (via acquired MT Industrial in Peru).

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Rinnai manufactures and globally distributes heat-energy appliances, with its core product lines being gas tankless and storage-type water heaters (including the ECO ONE hybrid system and 100% hydrogen combustion technology), kitchen appliances (gas stoves, built-in hobs, ovens, cooking pots), and heating/cooling systems (ducted systems, fireplaces, room heaters, air conditioners). Products are sold under the Rinnai brand alongside sub-brands such as G:, ECO ONE, Eco-Jozu, Kanta-kun Deluxe, and Leggiero, with manufacturing and sales executed through 34 overseas subsidiaries and 14 domestic subsidiaries.

Product overview

Rinnai Global is a comprehensive manufacturer of heat-energy appliances headquartered in Japan, incorporated in 1920. The company's product portfolio centers on heating and water heating solutions, including tankless water heaters, hybrid water heater systems (ECO ONE combining heat pump and gas technology), and 100% hydrogen combustion technology. Kitchen appliances include built-in gas hobs (MY HOB Series, G-LINE, G:101, G:201), ovens, and the Leggiero waterless cooking pot. Additional products encompass gas clothes dryers (Kanta-kun Deluxe), fireplaces, ducted heating/cooling systems (via subsidiary Brivis), and commercial water heaters. The company operates globally through subsidiaries in 17 countries with products sold in approximately 79 countries. Recent strategic initiatives include expansion into photovoltaic/battery storage systems and Latin American markets through acquisitions of Smart Energy Group and MT Industrial.

Differentiator

Problem solved

Functional benefit

Brands

• G: Premium line of ovens and built-in cooking appliances
• ECO ONE
• Kanta-kun Deluxe
• Eco-Jozu
• G:101
• Leggiero

Products and services

• 100% Hydrogen Combustion Water Heater
• Tankless Water Heater
• ECO ONE Hybrid Water Heater with Heating System
• Electric Storage-Type Water Heaters
• G:101 Domino-Type Gas Built-in Hob
• G-LINE Series Domino-Type Built-in Hobs
• G:201 In-Wall Oven
• MY HOB Series Built-in Gas Hobs
• Leggiero Waterless Cooking Pot
• Kanta-kun Deluxe (RDT-63/RDT-93 Series) Gas Clothes Dryers
• Brivis Iceberg Ducted Heating and Cooling System
• Evolve 950 Gas Fireplace
• Industrias MASS Commercial Water Heaters
• Built-in Dishwasher RKWR-F402C Series

Quantifiable outcome

• ECO ONE hybrid system reduces CO2 emissions by approximately 50% compared to conventional water heaters
• +4 more outcomes

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Six partnerships are on record, tiered strategic and flagship.

• MT Industrial S.A.C.strategicChannel Partner/ Reseller/ Distributor · 24 October 2025Rinnai Corporation acquired all shares of MT Industrial S.A.C. on October 24, 2025. MT Industrial is a Peru-based housing equipment sales company with net sales of ¥9.8 billion in 2024, enjoying high market share in kitchen appliances, hot water heaters, and water purifiers. This acquisition establishes Rinnai's base in Peru to extend coverage of Latin American markets.
• Smart Energy Group Pty., Ltd.strategicChannel Partner/ Reseller/ Distributor · 1 August 2024Rinnai Australia acquired Smart Energy Group and its two affiliated companies on August 1, 2024. Smart Energy is a leading home energy product sales company specializing in photovoltaic and battery storage systems. This represents Rinnai Group's first venture into photovoltaic, diversifying operations to establish presence in renewable energy sector.
• TOYOTA MOTOR CORPORATIONflagshipStrategic or Co-development Partner · 4 October 2022Rinnai and Toyota, together with Woven Planet Holdings, initiated collaborative efforts on hydrogen-powered cooking methods in Woven City - Toyota's living laboratory in Susono City, Shizuoka Prefecture, Japan. The partnership aims to contribute to carbon neutrality by enabling real-world experiences with hydrogen-powered heating methods for food preparation, combining Rinnai's cooking equipment expertise with Toyota's mobility vision.
• Woven Planet Holdings, Inc.flagshipStrategic or Co-development Partner · 4 October 2022Woven Planet is collaborating with Rinnai and Toyota to develop and validate hydrogen-powered cooking methods within Woven City, applying scientific approach to explore safest and most efficient combustion methodologies that optimize taste and texture without CO2 emissions.
• Industrias MASS, S.A. de C.V.strategicChannel Partner/ Reseller/ Distributor · 1 September 2021Rinnai America acquired all shares of Industrias MASS on September 1, 2021. IM is the top manufacturer of commercial-use water heating systems in Mexico, holding one-third of the Mexican commercial-use water heater market. This acquisition expands Rinnai's commercial water heater business and brand recognition in Latin America.
• GWA Group LimitedstrategicOthers · 15 December 2014Rinnai Australia acquired Brivis Climate Systems Pty Ltd from GWA Group Limited for A$49.2 million. Brivis manufactures ducted heating and cooling systems and has solid connections within Australia's builder's market. Acquisition completed to reinforce business prospects in Oceania.

Scale indicators12 records

Recent moves10 records

Expansion highlights5 records

Direct peers

• Noritz Corporation: Japanese manufacturer of gas tankless water heaters for residential and commercial applications; offers the closest direct product overlap with Rinnai's core tankless and hybrid water heater franchise, especially in North America and East Asia.
• A. O. Smith Corporation: US-listed global manufacturer of residential and commercial water heaters (gas, electric, tankless, heat pump); directly competes with Rinnai in North American and Asian markets across the same core tankless and storage water heater categories.
• Navien Inc. Korean-headquartered manufacturer of condensing tankless water heaters and combi-boilers; competes head-to-head with Rinnai America in the North American tankless segment and pursues adjacent boiler and heat-pump lines.
• Rheem Manufacturing: US-based manufacturer of water heaters, heating, cooling, and commercial refrigeration products; competes with Rinnai across tankless gas, hybrid, and HVAC categories, particularly in North America and Latin America.
• Bradford White Corporation: US manufacturer of residential and commercial water heaters (gas, electric, tankless, heat pump); directly overlaps Rinnai's North American water heating business and competes in ENERGY STAR condensing and hybrid categories.
• Bosch Thermotechnology: Division of Bosch producing residential heating, water heating and heat-pump systems in Europe and globally; competes with Rinnai's hybrid ECO ONE and tankless lines across European and selected Asian markets.

Broad incumbents

• Daikin Industries: Japanese global leader in HVAC and refrigerant systems; overlaps with Rinnai's heating and cooling business (especially via Brivis in Australia) and increasingly in residential heat-pump water heaters competing against gas tankless units.
• Rinnai's largest competitor in residential gas kitchen appliances - Haier Smart Home: Chinese global appliance manufacturer with broad kitchen and water-heating portfolios that overlap with Rinnai's MY HOB, G:LINE, and other gas cooktop and built-in appliance lines across Asian and emerging markets.
• Whirlpool Corporation: Global home appliance giant covering kitchen, cooking, and laundry categories; offers broader appliance exposure but overlaps with Rinnai's gas cooking and built-in appliance offerings across multiple geographies.
• Midea Group: Chinese appliance conglomerate with global reach across kitchen, water heating, and HVAC categories; competes in price-sensitive segments with Rinnai kitchen and water-heating products across emerging markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/rinnaimyanmar

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Rinnai Global