1. AMC charges for Split or Window AC - Rs. 1200 (Includes 4 free services + spares if any)
2. Gas top up for Split AC will cost anywhere between Rs. 1000 to Rs. 1500
3. Complete Gas refilling or recharging for Split AC and fixing the leak will cost around Rs. 3000. (3 Months Guarantee)
If you are looking for a reliable person around Chennai to repair your AC you can get in touch with Mr. Viswasam from Ashwyin Aircon, Nandhanam, Chennai - 35. Mobile no. 9380003747. A straight forward person who has been maintaining 4 ACs in my parents property for the past few years.