New Delhi, April 29 -- Every summer, the same complaint surfaces across Indian homes. The air conditioner runs for hours, the temperature is set low, but the room still does not feel comfortable. In many cases, users assume the AC is faulty or the brand is underperforming.

However, after years of reviewing air conditioners across cities and climates, one issue consistently stands out: the AC is not sized correctly for the room.

Most buyers still rely on a simple rule based on room size, but Indian conditions demand a more nuanced approach. Factors such as top-floor exposure, high ceilings, sunlight, heatwave and even electricity conditions can significantly impact how an AC performs in real life.

The term "tonnage" often creates confus...