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The Power Ministry in New Delhi has launched an energy efficiency programme to replace chillers consuming more than 40% of a commercial building's total energy use.

The initiative can save more than 500 million units of electricity in 2019 and reduce carbon emissions by 0.5 million-tonnes.

The ministry intends to encourage the deployment of energy-efficient chiller systems, that are used widely in industrial processes.

The Chiller Star Labelling Programme has been formulated by the Bureau of Energy Efficiency (BEE). A star rating system will be used based on energy performance.

Power Secretary A K Bhalla emphasised the importance of improving energy efficiency in the space-and-process cooling sector, considering the 31st Anniversary of Montreal Protocol, observed on September 16, 2018.

"This initiative will promote advancement technology for central HVAC (Heating, ventilation, and air conditioning) systems and will also facilitate energy efficient solutions for the large commercial and industrial applications," A K Bhalla said in the statement.

Chillers are used extensively for space conditioning of buildings and for industrial process cooling applications. The size of Indian chiller market is projected to grow at a CAGR of 3.6% fuelled by a growth in the retail, hospitality and infrastructure projects.

The initiative will not only promote energy efficiency, but also generate awareness amongst the end users to adopt energy efficient chillers.

The ministry has developed an online registration platform for easy and expeditious approval under this initiative. The manufacturers will be able to register online for availing appropriate star rating of chiller equipment. Based on the test certificate from designated agencies and after due verification from BEE, the star label (1 to 5) will be awarded, with 5 star being the most efficient chillers.