This air cooler from voltas comes with 175 watts motor which consumes a lot less energy and comes at a very affordable price. It has a water storing capacity of 70 liters and is available in white and grey colors. The company also covers a warranty of one year from the date of purchase. It also consists of antibacterial honeycomb pads for effective cooling and preventing the growth of bacteria. Because it consumes just 175 watts of power you can also operate it on an inverter.