Under the new mandate, now manufacturers would have to display star ratings between 1 to 5 stars on their fans. The star rating is dependent on service value (air delivery in cubic meters per minute divided by energy consumption in wattage).
Ceiling fans would get costlier by 8 to 20 per cent as the category comes under the ambit of mandatory star labelling from January 1, as per the revised Bureau of Energy Efficiency (BEE) norms.