- Business
- Thermax Limited, headquartered in Pune, India and incorporated in 1966, engineers and supplies sustainable solutions in energy and environment, including boilers, fired heaters, absorption chillers, heat pumps, steam engineering systems, power generation equipment, water and wastewater treatment plants, air pollution control systems such as electrostatic precipitators and bag filters, ion exchange resins, construction chemicals, oil field chemicals, performance chemicals, solar photovoltaic systems, waste heat recovery units, green hydrogen projects, renewable energy power plants, solar-wind hybrid farms, storage batteries and outsourced utility services; the company serves industries including chemicals, pharmaceuticals, power, oil and gas, food processing, cement, metals and textiles across 90-plus countries with 34 international and 22 domestic offices plus 14 manufacturing facilities in India, Indonesia, Denmark and Poland. Recent developments include approval in October 2025 of a merger with wholly-owned subsidiary Buildtech Products India Private Limited, acquired in 2024 and focused on construction materials and chemicals, to streamline operations and cut costs; a Rs 40 crore equity investment in subsidiary Thermax Chemical Solutions Private Limited for its Fortmax Chemicals India Private Limited unit producing specialty chemicals; up to Rs 42 crore funding via subsidiary Thermax Onsite Energy Solutions Limited for step-down subsidiary Enernxt Private Limited's Bio CNG expansion; a Rs 115 crore investment in September 2025 in renewable energy arm First Energy Private Limited for solar, wind, hybrid and battery storage projects; and an August 2025 partnership with Norway's HydrogenPro to localize alkaline water electrolysis technology for green hydrogen production in India. Thermax operates through segments encompassing industrial products, industrial infrastructure projects, green solutions and chemicals, with a renewed push into international markets in Southeast Asia, Africa and the Middle East where it targets doubling business volumes.