India, June 29 -- Many buyers compare an AC's star rating, inverter technology and cooling capacity but overlook one component that can affect long-term ownership - the condenser coil. Most air conditioners use either copper or aluminium condensers, and while both perform the same function, they differ in durability, servicing and repair costs.

Copper condensers are generally preferred because they transfer heat efficiently and are easier to repair if a leak develops. They also offer better long-term reliability when paired with proper anti-corrosion coating. Aluminium condensers, on the other hand, help reduce the overall cost of an AC and are lighter in weight. However, damaged aluminium coils are usually harder to repair and often nee...