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All air conditioners will come with a 24°C default setting

The default setting has been made mandatory for all room air conditioners covered under the ambit of BEE star-labelling programme vide this notification
New Delhi: Following the notification of new energy standards, the Central government has made it mandatory for air conditioners to come with a 24 degree-default setting. These performance standards are applicable from January 1, 2021. According to a government release, the new standards will range from (3.30 - 5.00) for split and (2.70 – 3.50) for window ACs. “All brands and types of star labelled room air conditioners, namely, Multi-Stage Capacity ACs, Unitary ACs and Split ACs which are rated from one star to five star, based on their relative energy efficiencies up to a rated cooling capacity of 10,465 Watts (9,000 kcal/hour) and manufactured, commercially purchased or sold in India, shall ensure default setting of temperature in the room air conditioners at 24 degree Celsius with effect from the January 1, 2020,” the notification stated.

BEE launched star labelling programme for air conditioners in 2006

BEE launched the voluntary star labelling programme for fixed-speed room air conditioners (RACs) in 2006, and this programme became mandatory on January 12, 2009. Thereafter, in 2015, voluntary star labelling programme for inverter room air conditioners was launched and was made mandatory with effect from January 1, 2018. The BEE star labelling programme for RACs now covers both fixed and inverter RAC up to a cooling capacity of 10,465 watts (2.97 TR). Continual enhancement in performance levels has resulted in substantial energy efficiency improvement of about 43 percent in the minimum energy performance standards (MEPS) for split units, which are the most popular RACs sold in the market. ISEER (Indian Seasonal Energy efficiency ratio) is the energy performance index used for Room Air Conditioners (RACs) and its assessment is based on the bin hours defined in ISO 16358. The programme has led to an estimated 4.6 Billion Units of energy savings in FY 2017-18 alone and a cumulative energy savings of 46 billion units translating to 38 million tonnes of carbon emission reduction, according to the release.