Triveni Turbines Launches India’s First CO₂-Based Heat Pump in Collaboration with IISc
Triveni Turbines, in collaboration with IISc Bengaluru, unveiled India’s first CO₂-based high-temperature heat pump, offering energy-efficient, eco-friendly heating solutions for industries targeting net-zero and reduced fossil fuel use.
August 09, 2025. By EI News Network
Developed in technical partnership with the Indian Institute of Science (IISc), Bengaluru, the heat pump is designed to deliver temperatures up to 122°C while achieving a Co-efficient of Performance (COP) of 6, placing it among the most efficient in the world for high-temperature applications.
Unlike traditional systems that rely on synthetic refrigerants with high global warming potential, Triveni’s new heat pump uses carbon dioxide (CO₂ or R-744), a natural refrigerant with zero ozone depletion potential and a GWP of just 1. The innovation arrives at a crucial time, as India ramps up efforts to phase out hydrofluorocarbons (HFCs) under the Kigali Amendment to the Montreal Protocol.
“This is a proud moment for us,” said Dhruv M. Sawhney, Chairman and Managing Director, Triveni Turbine Limited. “Our CO₂-based heat pump marks a significant step away from fossil-fuel-based industrial heating. It offers a clean, efficient, and future-ready alternative that aligns with India’s net-zero ambitions and it’s fully engineered and manufactured in India," he added.
According to the company, the new system is up to three times more efficient than conventional electric heating solutions and significantly outperforms average commercial heat pumps. Successfully tested at Triveni Turbines’ newly commissioned Heat Pump Test Centre in Bengaluru, the product met all performance benchmarks under tropical conditions, a notable achievement for CO₂-based trans-critical systems, which typically operate under much higher pressures.
Dr. Pramod Kumar, Professor and Chair at IISc’s Interdisciplinary Centre for Energy Research (ICER), highlighted the joint effort. “This is likely one of the first CO₂-based heat pumps globally to achieve 122°C in a tropical climate. While our team at IISc adapted the cycle for Indian conditions, Triveni brought their deep engineering expertise to design and manufacture the product.”
Targeted at industries with high-temperature process needs, including pharmaceuticals, food and beverages, chemicals, textiles, distilleries, and pulp & paper, the system supports applications such as steam generation, pasteurisation, distillation, drying, and metal cleaning. It also holds potential for district heating and cooling systems.
The innovation reflects Triveni Turbines’ commitment to the Make in India initiative and its strategic pivot towards clean energy technologies. The company has invested heavily in R&D to broaden its portfolio of sustainable industrial heating and power solutions.
please contact: contact@energetica-india.net.
Shilpy Dewan
VP – Markets, Operations & Digital
Digital Innovation and Storage will Drive India’s Green Future: Serentica’s Shilpy Dewan
Er. Neha Sakka
Electrical Engineer
She Matters: Women Remain Severely Underrepresented in EV and Green Workforces
Satish Talmale
CEO
India is Well-placed to Become a Global Leader in Energy Storage: EnerGrid CEO Satish Talmale
Anand Sri Ganesh, CEO, NSRCEL
Sapna Bhawnani
Alstom and NSRCEL on Empowering the Green Mobility Disruptors
Vasudha Madhavan
Founder & CEO
She Matters: Targeted Training and Mentorship Can Propel Women’s Careers in Energy