The global tankless water heater market size is expected to be valued at US$ 5.0 billion in 2026 and is projected to reach US$ 7.7 billion by 2033, growing at a CAGR of 6.3% between 2026 and 2033. The increasing emphasis on energy-efficient water heating solutions, rising urbanization, and growing demand for compact household appliances are significantly contributing to market expansion....