You can recognize a quality power-saving brand by witnessing the star ratings, such as 3-Star, 5-Star. The brands with 5-Star ratings will be suitable for lower power consumption. You can select from the brands like Voltas, Daikin, Hitachi, and Blue Star. Amongst these brands, Daikin can be the best alternative as the brand's majority of the Air Conditioner models are of 5-Star ratings.