Among the plethora of online stores, you can count on Flipkart, Amazon, Shopclues and Tata Cliq for the best online shopping experience. Buying 2.5-Ton Air conditioner is a daunting task since you are investing a sizeable amount on AC machines and you must never hesitate to make the right comparison to land on the perfect option. The important features that most customers look in ACs are auto restart and auto sleep, hassle free maintenance, quality of the compressor, the warranty on the unit and compressor, energy rating, power saving features and performance. Price comparison shopping lets you land on the best option.