Solar Water Heater Market Size To Expand at a Notable CAGR Of 7.41% During 2024 - 2032

Solar Water Heater Market Size To Expand at a Notable CAGR Of 7.41% During 2025 - 2035

Market Research Future (MRFR) has published a cooked research report on the “Global Solar Water Heater Market” that contains information from 2019 to 2035. The Solar Water Heater market is estimated to register a CAGR of 7.41% during the forecast period of 2025 to 2035.

MRFR recognizes the following companies as the key players in the Global Solar Water Heater Market — Rheem (US), A.O. Smith (US), Bosch Thermotechnology (DE), Viessmann (DE), SolarWorld (DE), Himin Solar (CN), Sunrain (CN), Sungrow (CN), Tata Power Solar (IN), and Rinnai (JP).

Market Highlights

The Global Solar Water Heater Market is accounted for to register a CAGR of 7.41% during the forecast period and is estimated to reach USD 9.551 Billion by 2035.

The market growth is primarily driven by rising energy costs, growing environmental consciousness, and increasing urbanization across emerging economies. With global focus shifting toward renewable energy adoption, solar water heaters have emerged as a cost-efficient, eco-friendly alternative to conventional systems. Consumers and businesses alike are recognizing their potential to reduce both energy bills and carbon footprints, reinforcing their role in sustainable energy transitions.

The market is also benefiting from favorable government policies and incentives that promote the installation of solar technologies. Subsidies, tax credits, and regulatory mandates in countries such as the US, India, China, and Germany are creating a conducive environment for market expansion. Additionally, rapid technological innovations, including IoT-enabled systems and hybrid solar water heaters, are enhancing system efficiency, durability, and affordability, further accelerating adoption across residential and commercial sectors.

The Thermosyphon segment remains dominant owing to its low maintenance and high reliability, while the Integral Collector Storage (ICS) segment is gaining traction as the fastest-growing category due to its affordability and ease of installation. In terms of collector type, Evacuated Tube Collectors hold the largest share, favored for their superior performance in cold or low-light conditions.

Segment Analysis

The Global Solar Water Heater Market has been segmented based on Type, Collector Type, and Region.

• Based on Type, the market is segmented into Thermosyphon and Integral Collector Storage (ICS) systems. The Thermosyphon segment dominates the market, accounting for the largest revenue share in 2024, attributed to its proven efficiency, simplicity, and long lifespan. The ICS segment, however, is expanding rapidly, supported by its lower installation costs and suitability for small-scale residential use.


• Based on Collector Type, the market is categorized into Evacuated Tube Collectors, Flat Plate Collectors, and Unglazed Water Collectors. Evacuated Tube Collectors lead the market, delivering higher heat retention and operational efficiency in diverse climates. Flat Plate Collectors are expected to grow significantly over the forecast period due to their cost-effectiveness and ease of maintenance, particularly in residential settings.

Region Analysis

By Region, the Solar Water Heater Market is segmented into North America, Europe, Asia-Pacific, South America, and the Middle East & Africa.

• North America currently represents the largest market, supported by strong regulatory frameworks and financial incentives. For instance, the U.S. federal government offers a tax credit of up to 26% of installation costs for residential and commercial solar water heating systems, which has significantly boosted adoption rates.


• The Asia-Pacific region is the fastest-growing market, driven by rapid urbanization, rising disposable incomes, and increasing energy demand in countries such as China, India, and Japan. Favorable climatic conditions and government-backed solar energy programs—such as India’s “Jawaharlal Nehru National Solar Mission”—further amplify market growth potential.


• Europe maintains a solid growth trajectory, driven by consumer awareness and stringent environmental policies aimed at reducing carbon emissions. Germany remains a leading market, while the UK is emerging as the fastest-growing country within the region due to government subsidies and awareness campaigns promoting renewable heating systems.

Key Findings of the Study

• The Global Solar Water Heater Market is expected to reach USD 9.551 Billion by 2035, growing at a CAGR of 7.41% during the forecast period.


• North America accounted for the largest market share in 2024, while Asia-Pacific is projected to register the fastest growth rate through 2035.


• Based on Type, the Thermosyphon segment held the largest market share in 2024.


• Based on Collector Type, the Evacuated Tube Collector segment dominated the market in 2024.


• Key players including Rheem, A.O. Smith, Bosch Thermotechnology, Viessmann, and Tata Power Solar are focusing on innovation, product expansion, and partnerships to strengthen their global presence and enhance efficiency in solar heating technologies.

Related Reports

https://www.marketresearchfuture.com/reports/solar-water-heater-market-7132