New Delhi, Feb. 23 -- There is nothing more satisfying than stepping into a cool, air-conditioned room after a long, hot summer day. We often take this comfort for granted until the AC starts acting up. With summer around the corner, we are all gearing up for it by getting our ACs serviced after winter's hibernation. But what if the servicing is not enough?

Sometimes, your AC quietly signals that it's time for an upgrade. In this quick guide, we'll discuss all the key signs that suggest that your AC needs to be replaced.

After months of inactivity, it's tempting to think a routine service is all your AC needs. However, ageing air conditioners can bring hidden problems that simple maintenance won't fix. An outdated unit often consumes mo...