New Delhi, March 19 -- Rain gods may have brought some relief from the scorching heat in the northern part of India in the past couple of days but temperatures are expected to soar soon. As the temperature rises, having an air conditioner that offers efficient cooling is no longer a luxury, but a necessity. The top rated ACs, both window ACs and split ACs, are designed to deliver a powerful cooling performance while keeping your electricity bill in check. Beyond this, some ACs offer dual inverter compressor technology that protects these appliances from power fluctuations. Others come with special filters that filter out dust and particulate matter, making the air a tad bit safer to breathe.

Whether you are buying your first AC or upgrad...