Tankless Water Heater Market to Reach $9.6 Billion by 2035

Tankless Water Heater Market was valued at $5.2 billion in 2025 and is projected to reach $9.6 billion by 2035, growing at a CAGR of 6.5% during the forecast period. Increasing demand for energy-efficient residential appliances, expansion of smart housing infrastructure, and stringent energy-efficiency regulations are driving market growth worldwide.

Browse the full report description of “Tankless Water Heater Market Size, Share & Trends Analysis Report, By Product Type (Condensing Tankless Water Heaters, Non-Condensing Tankless Water Heaters), By Technology (Electronic Ignition, Hydro-Ignition), and By End-User (Households, Commercial Enterprises, and Industrial Operators), Forecast Period (2026-2035)” at https://www.omrglobal.com/industry-reports/tankless-water-heater-market-size

A major macroeconomic factor supporting market expansion is the increasing global emphasis on reducing building energy consumption. According to the International Energy Agency (IEA), buildings accounted for nearly 30% of global final energy consumption in 2024, while heating and hot water remained among the largest energy-consuming applications in residential buildings. The U.S. Energy Information Administration (EIA) also stated that water heating contributes significantly to household electricity consumption in the United States, creating strong demand for energy-saving water heating technologies. These trends are accelerating the adoption of condensing tankless water heaters, which are becoming the fastest-growing product type due to superior thermal efficiency and lower operating costs.

The household end-user segment dominates the global market owing to rapid urbanization, increasing apartment construction, and rising consumer awareness regarding sustainable home appliances. Electronic ignition technology is witnessing robust demand because of its higher efficiency, safety, and compatibility with smart-home systems compared to conventional ignition methods.

Manufacturers are increasingly adopting product innovation, expansion, and strategic partnerships between 2022 and 2026 to strengthen their market position and improve operational efficiency. Government-backed energy-efficiency programs are further accelerating market penetration. The International Energy Agency reported continued implementation of minimum energy performance standards and heating decarbonization policies across several countries between 2024 and 2026. Additionally, the U.S. Energy Information Administration highlighted growing electrification trends in residential heating systems, creating new opportunities for electric tankless water heater manufacturers.

Key leaders transforming the Tankless Water Heater Market

• In September 2025, O. Smith received the FacilitiesNet Vision Award for its EMERGE™-i Commercial Heat Pump Water Heater, recognizing the company’s advancements in energy-efficient and sustainable commercial water heating technologies. The system offers up to four times higher efficiency than conventional electric water heaters and features smart connectivity, leak detection, and a 3.88 Uniform Energy Factor (UEF).

• In February 2025, Rinnai America Corporation showcased its latest tankless and energy-efficient water heating solutions at IBS 2026, including the SENSEI® RX Smart-Circ™ Intelligent Recirculation™ gas tankless water heater and RHPC™ Heat Pump Companion Kit, strengthening innovation in smart and high-efficiency residential heating systems.

Market Coverage

• The market number available for – 2025-2035
• Base year- 2025
• Forecast period- 2026-2035
• Segment Covered-
  • By Product Type
  • By Technology
  • By End-User
• Competitive Landscape – Rinnai, Noritz, Rheem, A. O. Smith, and Navien, among others.

Key questions addressed by the report.

• What is the market growth rate?
• Which segment and region dominate the market in the base year?
• Which segment and region will project the fastest growth in the market?
• Who is the leader in the market?
• How are players addressing challenges to sustain growth?
• Where is the investment opportunity?

Global Tankless Water Heater Market Report Segment

By Product Type

• Condensing Tankless Water Heaters
• Non-Condensing Tankless Water Heaters

By Technology

• Electronic Ignition
• Hydro-Ignition

By End-User

• Households
• Commercial Enterprises
• Industrial Operators

Global Tankless Water Heater Market Report Segment by Region

North America

• United States
• Canada

Europe

• UK
• Germany
• Italy
• Spain
• France
• Russia
• Rest of Europe

Asia-Pacific

• China
• India
• Japan
• South Korea
• Australia and New Zealand
• ASEAN Economies
• Rest of Asia-Pacific

Rest of the World

• Latin America
• Middle East & Africa

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