AC gas leaks to rusting: How a cover for your outdoor unit could prevent costly repairs and save you thousands of rupees

A simple rain cover for your AC’s outdoor unit can help protect it from direct rainfall and moisture. The low-cost accessory could reduce the risk of rusting and corrosion, potentially helping households avoid repair bills running into thousands of rupees.

Prolonged exposure to rain and humidity can cause the metal casing and other exposed parts of an AC’s outdoor unit to corrode. A suitable rain cover can limit direct water exposure and help keep the unit’s exterior drier during the monsoon.

Corrosion around copper coils and joints can contribute to refrigerant leaks. By reducing prolonged exposure to moisture, a cover may help limit corrosion. However, it cannot prevent every leak, and damaged components need to be checked by a qualified technician.

Replacing a rusted outdoor-unit casing can cost around Rs 2,000 to Rs 5,000, depending on the extent of damage and the AC model.

A refrigerant refill for a 1.5-tonne split AC can cost around Rs 2,500 to Rs 4,000, according to the report. If a leak goes undetected and damages the compressor, the repair bill could rise to Rs 8,000 or more. A cover may help limit moisture-related risks, but it is not a substitute for proper servicing.

When buying a rain cover, choose one designed for your AC’s outdoor unit. It should protect against direct rainfall without blocking the airflow needed for the compressor to operate. Follow the manufacturer’s instructions on whether and when the cover should be used.

Along with using a suitable rain cover, clean the outdoor unit’s fins and coils regularly and check for water pooling around its base. These precautions can help reduce corrosion risks and keep the AC functioning efficiently.