How to Protect Your AC Before a Hurricane: Lessons From Sally

If a hurricane is headed for Baldwin County, do four things for your AC: shut it off at the thermostat and the outdoor disconnect before landfall, clear loose debris and lawn furniture away from the condenser, confirm a whole-home or HVAC-specific surge protector is in place, and do not turn the system back on after the storm until the unit is dry, debris-free, and power is stable. That's the short version. The long version is what we learned the hard way after Hurricane Sally.

What Sally Taught Us About AC Damage on the Eastern Shore

Hurricane Sally came ashore on September 16, 2020 and knocked out power across Baldwin County. Trees came down on roofs and lines from Spanish Fort to Daphne to Fairhope. Crews were still chasing outages days later. For HVAC, the damage didn't always show up during the storm — it showed up when people flipped the breaker back on.

After a storm like Sally, the damage tends to fall into three buckets: surged control boards and compressors from dirty grid power coming back on, condensers packed with pine straw and roof shingles, and systems that took on water and corrode quietly from the inside. None of it is dramatic on day one — it's the kind of thing that shortens a system's life by years. The salt spray a hurricane drives inland speeds that up even on homes that normally sit far from the water, which is its own slow-burn problem we get into in how salt air corrodes AC coils across the Eastern Shore.

Spanish Fort sits right on the eastern shore of Mobile Bay, with the 7-mile Causeway (US 90/98) crossing the bay over to Mobile. The Battleship Parkway, the USS Alabama at Battleship Memorial Park, Historic Blakeley State Park — all of that is on or near the water. When a storm pushes up from the Gulf, salt-laden wind and rain push inland with it. That is the operating environment your outdoor unit lives in, and it's why pre-storm prep here matters more than it does for a house two hours north.

Your Pre-Storm AC Checklist (Do This Before Landfall)

The window to prep is usually a couple of days, not a couple of hours. Once the bands start rolling in off Mobile Bay, you're done outside. Run this list while it's still calm:

• Shut the system off at the thermostat first, then flip the outdoor disconnect at the condenser. This is the single best thing you can do to prevent surge damage and a compressor lock-up from a sudden power blink.
• Clear a 3-foot radius around the condenser. Patio chairs, grill covers, kid's toys, potted plants, garbage cans — anything that can become a missile in 70 mph wind needs to go in the garage. We've pulled crepe myrtle branches out of fan grilles more than once.
• Trim back what you can. Low limbs over the unit, vines on the side of the house near the line set, anything that's going to whip into the fan.
• Photograph the unit from a couple of angles. Model and serial number, condenser pad, line set. If you end up filing a claim, that documentation makes the difference.
• Skip the shrink-wrap. Tightly sealing the condenser in plastic traps moisture against the coil and accelerates corrosion — which is the last thing you want in our salt-air climate. A breathable cover, or a piece of plywood weighted and strapped above the unit (not directly on it), gives debris protection without sealing in wet salt.
• Verify your surge protection. A whole-home surge device at the panel plus a dedicated HVAC surge protector at the disconnect is the layered setup we recommend across the Eastern Shore. If you don't have one, this is the time.
• Charge a thermometer or grab a cheap hygrometer. After a long outage, you want to know what your indoor humidity is doing before you start running anything.

What About the Indoor Unit and Ductwork?

Most people think hurricane prep is all outside. It isn't. If your air handler is in a garage, attic, or crawlspace — which it is in a lot of the homes around Spanish Fort, from older Spanish Fort Estates and Churchill places to the newer Stonebridge builds going up off Highway 225 — you've got a few extra things to watch.

Attics take wind-driven rain through ridge vents and damaged shingles. Garages flood. Crawlspaces in lower-lying parts of Blakeley Forest, Blakeley Oaks, The Lakes, and Shenandoah can take on water if drainage backs up. If your blower or evaporator coil sits in any of those spots, it's worth putting it up on a few cinder blocks if it isn't already, and making sure the condensate drain line is clear so you don't compound a wet situation. Also check that flexible duct runs in the attic aren't sagging onto wet insulation — they wick. Storm-shifted or crushed ducts up there are a classic reason a system that survived the wind still ends up running up your summer power bill for months afterward.

Spanish Fort's housing stock skews to a median build year right around 1999, which means a lot of the systems out there are well into the 20-to-25-year replacement window already. A storm event is exactly the kind of thing that pushes a tired system over the edge. If yours was on its last legs going in and the storm finished it off, our complete guide to replacing your AC on the Eastern Shore walks through what to weigh before you buy.

How Do I Restart My AC Safely After the Storm?

This is where we see the most preventable damage. Power flickers back on, you're hot and tired, you flip the thermostat, and a compressor that just took on salt water shorts itself out. Don't do that. Run this sequence instead:

1. Wait for stable power. If your block is still flickering or the lights are dim, your grid is not stable. Hold off.
2. Walk the outdoor unit. Is it sitting level on the pad? Any standing water around it? Bent fins, shifted refrigerant lines, debris in the coil, a dented cabinet from something that hit it? Pine straw and leaves in the top grille?
3. Check for flood line. If water rose above the bottom of the cabinet — controls and contactor are inside — do not power it on. Salt water and a 240V circuit are not a combination you guess at.
4. Look for surge signs. Tripped breaker that won't reset, burnt smell at the disconnect, scorched marks on the outdoor unit panel. All reasons to call before you energize.
5. Only then turn the outdoor disconnect back on, wait a few minutes, and set the thermostat to a moderate temperature. Don't crank it to 68 to catch up — let it ramp.

If anything in steps 2 through 4 looks off, that's an emergency HVAC call, not a DIY restart.

We Service the Whole Eastern Shore

We're based in Daphne and work all over Spanish Fort and the Eastern Shore — from TimberCreek and its 27-hole golf course community on one end, through The Highlands, Audubon, and the older Churchill and Spanish Fort Estates streets, out to the newer Stonebridge phases D.R. Horton and Truland have been putting up since 2015 over near Stonebridge Elementary and Spanish Fort High School. Storm season is one of the most common reasons we get called out. None of this checklist is exotic — it's just the stuff that, on the coast, makes the difference between a quick restart and a new compressor after a storm.

The best storm prep, honestly, starts in spring: a system that's already been gone over is far less likely to fail when the grid blinks. Our spring AC tune-up guide covers what that visit catches before hurricane season. For more on the local climate factors that make humidity and storm prep a year-round issue here, see our guide to beating Gulf Coast humidity on the Eastern Shore.

Need Help Before or After the Storm?

If you want a surge protector installed before the next system rolls up the bay, or you've already lost power and you're not sure whether it's safe to turn the system back on, we can help.

• Schedule a visit: /schedule/
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• Call: (251) 300-9817

Stay safe out there. The Eastern Shore has been through worse, and a little prep goes a long way.