Carrier AC 1.5T Estrella PRO-Since India is close to the equator, the country is well known for the heat and humidity. To beat the heat one has to install an air conditioner at home. When purchasing, one has to keep electricity consumption in mind, too. Carrier Estrella 1.5 Ton 3 Star Window AC has an energy rating of 3. It consumes 1560 W power input. The air conditioner is Window type and has a capacity of 1.5 Ton.