Should You Use Your AC During Heavy Rain and Storms?

As monsoon rains sweep across the country, many homeowners find themselves grappling with a seasonal concern: Is it safe to use the air conditioner when it's pouring outside?

While a well-functioning AC offers welcome relief from muggy, humid days, experts warn that running it during heavy rains and storms could lead to costly consequences or even safety hazards.

Why You Should Be Cautious

Thunderstorms and monsoon rains often trigger power outages and voltage fluctuations, which can damage the AC’s sensitive internal components—especially the compressor. These electrical surges pose a serious risk, making it important to use the appliance cautiously during turbulent weather.

The Difference Between Light and Heavy Rain

Not all rain is bad for your AC. Light showers may actually help by naturally cleaning dust and debris from the outdoor unit. However, problems arise when the rain is persistent or accompanied by lightning, flooding, or strong winds.

In such cases, high humidity levels force the AC to work harder to dehumidify your space—spiking energy bills and increasing wear on the system.

Installation & Drainage Matter

If your AC’s outdoor unit is installed on a rooftop, proper drainage is crucial. Without it, water can pool around the unit, compromising wiring and circuitry. During storms, flying debris like soil, leaves, or small stones can clog the system or damage fan blades.

Expert Advice: When to Turn It Off

To stay on the safe side, turn off your AC during intense downpours or thunderstorms. Instead, consider using ceiling fans or opening windows for ventilation. Not only does this reduce the risk of electrical damage, but it also helps cut down on electricity use.

Post-Storm Care Tips

Once the weather clears, inspect the outdoor unit for any signs of damage or debris. Using a weatherproof cover for the external unit during heavy rains can help protect it from dirt, water, and flying debris.

Air conditioners are built to withstand moderate rain, but it’s the extreme weather that can catch you off guard. Protect your investment—and your safety—by using common sense, following safety protocols, and when in doubt, switching off your AC during the storm.