Japan Water Heater Market Size & Outlook, 2026-2033

The water heater market in Japan is expected to reach a projected revenue of US$ 3,167.5 million by 2033. A compound annual growth rate of 4.7% is expected of Japan water heater market from 2026 to 2033.
Revenue, 2025 (US$M)
$2,194.4
Forecast, 2033 (US$M)
$3,167.5
CAGR, 2026 - 2033
4.7%
Report Coverage
Japan

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Japan water heater market, 2021-2033 (US$M)

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Japan water heater market highlights

  • The Japan water heater market generated a revenue of USD 2,194.4 million in 2025 and is expected to reach USD 3,167.5 million by 2033.
  • The Japan market is expected to grow at a CAGR of 4.7% from 2026 to 2033.
  • In terms of segment, electric was the largest revenue generating product in 2025.
  • Gas is the most lucrative product segment registering the fastest growth during the forecast period.


Water heater market data book summary

Market revenue in 2025USD 2,194.4 million
Market revenue in 2033USD 3,167.5 million
Growth rate4.7% (CAGR from 2026 to 2033)
Largest segmentElectric
Fastest growing segmentGas
Historical data2021 - 2024
Base year2025
Forecast period2026 - 2033
Quantitative unitsRevenue in USD million
Market segmentationElectric, Solar, Gas
Key market players worldwideA.O. Smith Corp, Robert Bosch Engineering & Business Solutions, Rinnai Corp, Noritz Corp, Whirlpool Corp, WESCO International Inc, Haier, Lennox International Inc


Other key industry trends

  • In terms of revenue, Japan accounted for 6.9% of the global water heater market in 2025.
  • Country-wise, China is expected to lead the global market in terms of revenue in 2033.
  • In Asia Pacific, China water heater market is projected to lead the regional market in terms of revenue in 2033.
  • India is the fastest growing regional market in Asia Pacific and is projected to reach USD 1,983.2 million by 2033.

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Water Heater Market Companies

Name Profile # Employees HQ Website
Noritz Corp View profile 7174 93 Edo-machi, Chuo-ku, Kobe, Japan, 650-0033 http://www.noritz.co.jp
Rinnai Corp View profile 12731 2-26, Fukuzumi-cho, Nakagawa-ku, Nagoya, Japan, 454-0802 http://www.rinnai.co.jp
WESCO International Inc View profile 20000 225 West Station Square Drive, Suite 700, Pittsburgh, PA, United States, 15219 https://www.wesco.com
A.O. Smith Corp View profile 12000 11270 West Park Place, P. O. Box 245008, Suite 170, Milwaukee, WI, United States, 53224-9508 https://www.aosmith.com
Lennox International Inc View profile 12600 2140 Lake Park Boulevard, Richardson, TX, United States, 75080 https://www.lennox.com
Haier View profile 10001+ Qingdao Shi, Shandong, China, Asia http://haier.com/in
Robert Bosch Engineering & Business Solutions View profile 10001+ Bangalore, Karnataka, India, Asia http://www.bosch-india-software.com
Whirlpool Corp View profile 59000 2000 North M-63, Benton Harbor, MI, United States, 49022-2692 https://www.whirlpoolcorp.com

Japan water heater market outlook

The databook is designed to serve as a comprehensive guide to navigating this sector. The databook focuses on market statistics denoted in the form of revenue and y-o-y growth and CAGR across the globe and regions. A detailed competitive and opportunity analyses related to water heater market will help companies and investors design strategic landscapes.


Electric was the largest segment with a revenue share of 49.25% in 2025. Horizon Databook has segmented the Japan water heater market based on electric, solar, gas covering the revenue growth of each sub-segment from 2021 to 2033.


According to the World Bank, the Japanese economy contracted by 4.8% in 2020 due to the COVID19 pandemic. According to World Health Organization (WHO), the country is still struggling to overcome the pandemic with the number of cases rising steeply and the cumulative case count reaching 683,175 as of May 17, 2021.

The government of Japan declared a state of emergency on April 23, 2021, as the number of cases continues to rise. The Bank of Japan has forecasted a 4% growth in GDP for 2021-22 and 2.4% growth for 2022-23.

Further, in 2020, the government of Japan announced a stimulus of around USD 671.0 billion to support the economy and is likely to introduce more stimulus as the country struggles to make an economic rebound.

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Horizon Databook provides a detailed overview of country-level data and insights on the Japan water heater market , including forecasts for subscribers. This country databook contains high-level insights into Japan water heater market from 2021 to 2033, including revenue numbers, major trends, and company profiles.

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Japan water heater market size, by product, 2021-2033 (US$M)

Japan Water Heater Market Outlook Share, 2025 & 2033 (US$M)

Japan water heater market size, by product, 2021-2033 (US$M)

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