A tarp over the condenser and a lower thermostat setting don’t provide the hurricane protection many homeowners expect. Tightly wrapping the equipment can trap moisture or tear loose in high winds, while turning down the thermostat doesn’t disconnect the system from storm-related electrical risks.
For coastal homes, protecting your AC before and after a hurricane comes down to a safe sequence: remove potential projectiles, disconnect power before conditions worsen, inspect the equipment from a distance afterward, and don’t restart a system with possible water or electrical damage.
Prepare the AC Before Storm Conditions Arrive
Hurricane season runs from June 1 through November 30, with the highest Atlantic activity generally occurring from mid-August through mid-October. Don’t wait until tropical-storm-force winds are expected. Complete AC preparation while outdoor conditions are still safe.
The most important electrical step is turning off the air conditioning system at its circuit breaker. This safety switch supplies power to the equipment. Changing the thermostat setting stops a cooling call, but it doesn’t isolate the system’s electronics from a power surge traveling through the electrical grid.
Before shutting the system down, clear the area around the condenser, which is the cabinet outside that releases heat from your home. Remove items that could strike the equipment in strong winds:
- Patio furniture, planters, and grills near the unit.
- Loose branches, lawn decorations, and yard debris.
- Tools, toys, or stored items resting against the condenser.
Anything loose in the yard can become windborne debris and damage the condenser cabinet, fan guard, refrigerant tubing, or electrical connections.
Secure the Condenser Without Trapping Moisture
The condenser should be firmly attached to its pad or mounting support, not sealed inside plastic. Hurricane straps or anchoring brackets help limit shifting or toppling during high winds. Mechanical equipment exposed to wind is also subject to Florida Building Code wind-resistance requirements.
Inspect the equipment before hurricane season or while a named storm is still far enough away for safe service. The cabinet should sit level on its support, and visible brackets or fasteners shouldn’t appear corroded, loose, or pulled away.
A standard tarp or plastic sheeting is usually the wrong solution. A tight cover holds moisture against metal surfaces and contributes to corrosion, while a loose one can rip free and damage the equipment. If a portable cover can’t remain securely fastened without restricting the system, remove it before high winds arrive.
Plan for Water Exposure at Low-Lying Properties
Wind damage and flood exposure require different precautions. A condenser on a low pad might remain intact through the wind but still suffer serious damage if floodwater reaches its electrical equipment or compressor.
For homes with recurring drainage problems or flood exposure, an appropriately designed elevated platform can provide additional clearance above water. This is a planning measure for calm weather, not a last-minute project once storm conditions approach. The platform should preserve proper support and secure anchoring for the equipment.
Never touch wet electrical equipment or approach the condenser while standing water is present. If water has reached the equipment, disconnect, or wiring, leave the air conditioning off. Take photos from a safe distance for documentation, but don’t open panels, move wiring, or attempt to dry components yourself.
Inspect the System Before Restoring Power
Once authorities and your utility indicate conditions are safe, inspect the AC system visually before restoring power. Stay clear of downed lines, damaged service equipment, and standing water. If any of those hazards are present, wait for qualified assistance.
From a safe distance, look for these conditions:
- A shifted, tilted, or displaced condenser.
- Branches, roofing material, or other debris lodged in the fan guard or cabinet.
- Bent, crushed, or disconnected refrigerant lines.
- Standing water near the equipment, electrical disconnect, or wiring.
- Visible damage to the cabinet, electrical components, or mounting hardware.
If the area is dry and the equipment has no visible damage, allow utility power to stabilize before turning the AC breaker back on. Common post-storm guidance recommends waiting at least 30 minutes after power returns. This provides time to confirm that power is staying on and reduces the chance of restarting during unstable electrical conditions.
Don’t restart a system that was submerged, struck by debris, shifted from its pad, or showing unusual electrical behavior. Refrigerant lines operate under pressure, and electrical panels contain components that shouldn’t be handled as a do-it-yourself repair.
Recognize Damage That Requires Emergency AC Repair
A no-cooling problem after a storm isn’t always a simple thermostat issue. Damage can involve the condenser, electrical connections, controls, refrigerant lines, or components exposed to water. Leave the system off whenever the source of the problem isn’t safe to diagnose.
Emergency repair is warranted after water exposure, visible physical damage, burning odors, repeated breaker trips, a failed restart after safe steps, or debris entering the condenser. Don’t energize an AC system with possible floodwater, electrical, or physical damage.
We have provided emergency AC repair in Vero Beach since 1970, with factory-trained technicians available 24/7 and a fully equipped fleet. If you discover storm damage or unsafe conditions, call Colkitt Sheet Metal & Air Conditioning at (772) 672-3033.