Hurricane Season and Your AC: What to Do Before and After a Storm in Miami

Atlantic hurricane season runs from June 1 to November 30, and your outdoor AC unit is one of the most exposed pieces of equipment in your home. A few simple steps before and after a storm can prevent expensive damage and get your home cool again faster once the power is back.

Before the storm

Check that the outdoor unit is secured

Your condenser should be firmly anchored to its pad. If the straps or brackets look rusted, loose or missing, have them checked before a storm is on the way. High winds can shift or tip an unsecured unit and damage the refrigerant lines.

Clear the area around the unit

Trim branches that hang over the condenser and put away anything that wind could throw at it: patio furniture, pots, toys and tools. Flying debris is one of the most common causes of storm damage to outdoor units.

Cool the house down early

If a storm is expected, lower the thermostat a few degrees and close blinds and curtains while you still have power. A cooler, darker house stays comfortable longer if the electricity goes out.

Turn the system off before the worst of the storm

Power surges and flickering power can damage the compressor and the electrical components. When the storm gets close, turn the AC off at the thermostat and switch off its breaker. Do not run the system while it is covered with a tarp or plastic.

Think about surge protection and generators

A surge protector for the AC adds a layer of protection when power comes back. If you plan to run your AC on a generator, make sure the generator is sized for it. An undersized generator can damage the system.

After the storm

Look before you turn it on

Walk around the outdoor unit and check for debris inside the fan grille, bent fins, damaged refrigerant lines or a unit that has moved off its pad. Remove light debris by hand only with the breaker off.

Never run a unit that was under water

If floodwater reached the outdoor unit or the air handler, do not turn the system on. Water can damage the electrical parts and the motor. Have a technician inspect it first.

Wait for stable power

When the electricity comes back, wait a while before turning the AC on, so the power is stable. Then switch the breaker back on and start the system from the thermostat.

Watch, listen and check the drain

Once it is running, listen for new noises, check that the air coming out of the vents is cold and look for water around the indoor unit. Storms can clog drain lines with debris, which can cause leaks inside the house.

When to call a technician

• The unit was flooded or hit by debris.

• The system will not turn on, or the breaker trips again.

• You hear grinding, buzzing or rattling noises.

• The air is not cold, or you see ice or water around the equipment.

Cooling Mode Inc. is a family-owned AC company based in Kendall. We provide same-day AC repair and emergency AC service across Kendall, Pinecrest, Palmetto Bay, South Miami, Coral Gables, Doral and nearby areas, with clear estimates before any work begins. If your system is old or badly damaged, we can also help you plan an AC replacement.

We are rated 4.9 on Google and A+ by the BBB. Se habla español.

Message us on WhatsApp or call (305) 992-0997.

Frequently asked questions

Should I cover my AC unit during a hurricane?

Never run the system while it is covered. Some homeowners cover the top of the unit to keep debris out while it is off, but the most important steps are securing the unit, clearing the area around it and turning the system off at the breaker.

Can I turn my AC back on right after the power returns?

Give it some time so the power is stable, check the outdoor unit for damage or flooding first, and then turn it on from the thermostat.

Does homeowners insurance cover AC storm damage?

It depends on your policy and the cause of the damage. Take photos of the unit and any debris before cleaning up, and keep the technician's report for your insurance company.