Air cooler is a cheaper option of air conditioner and this makes air coolers more popular among middle class buyers, who cannot afford ACs. Moreover, air cooler or room cooler consumes less electricity than air conditioners. Portable air coolers manufactured by Symphony and Longer can be wheeled from one room to another. Infibeam presents a range of air coolers in multicolour and plain white. Buy now and avail lucrative deals on room coolers.