Residents of Delhi can exchange old ACs and fans for new ones with discounts up to 63%. BSES Yamuna and BSES Rajdhani are offering this scheme. BSES Rajdhani's scheme is valid until July 10, 2026. Consumers can register online or at Consumer Help Desks. Several brands like Voltas, LG, and Godrej are participating. The offer promotes energy-efficient appliances.