The short answer
Exposed Location
Most AC units, whether central systems or window units, are placed outdoors. That puts them in the direct path of hail. Unlike a roof, which has some slope to deflect stones, an AC unit's flat top and sides take the full impact of falling hail.
Hail can range from pea-sized to baseball-sized. Larger stones hit with enough force to dent the metal cabinet and crack the plastic shroud. Once the housing is compromised, moisture can enter the unit and cause electrical problems or rust. The unit's position leaves it with no natural protection from the storm.
Thin Metal Parts
The condenser coils and fins on an AC unit are made of thin aluminum. These parts are designed to transfer heat efficiently, not to withstand heavy impacts. A single hailstone can bend several fins, reducing airflow and making the unit work harder to cool your home.
When fins are crushed together, the condenser cannot release heat properly. This causes the compressor to run longer, increasing energy use and stress on the system. Over time, that extra strain can lead to a breakdown. Even if the unit still runs, its efficiency drops noticeably after hail damage.
- Condenser coils are easily dented
- Fins bend and flatten on impact
- Thin aluminum offers little resistance
- Housing cracks expose internal parts
- Fan blades can warp or snap
Fan and Motor Damage
The condenser fan sits on top of the unit, pulling air through the coils. Hail can hit the fan blades directly, bending them or cracking the plastic. A damaged fan no longer spins true, causing vibration and noise. In severe cases, the fan stops working altogether.
Water from melting hail can also seep into the motor housing. That can cause short circuits and corrosion. If the motor fails, the unit cannot cool at all. The pro who inspects your AC after a storm will often find the fan and motor are the first parts to need replacement.
Water Leaks Indoors
Hail damage often leads to water problems inside your home. A dented cabinet or cracked drain pan can allow water to escape from the unit's condensate system. Instead of draining outside, water may run down walls or pool on the floor. This can damage drywall, flooring, and ceilings.
If you notice water stains or dampness near your AC unit after a hailstorm, act quickly. The longer water sits, the more damage it causes. Local water damage pros can handle the cleanup and help dry out affected areas. They can also identify whether the leak comes from the AC or from storm damage elsewhere.
What to Do After Hail
After a hailstorm, check your AC unit for visible damage. Look for bent fins, cracked housing, or loose parts. Turn the unit off and avoid running it until it has been inspected. Running a damaged unit can worsen the problem and create safety hazards.
If you see water inside your home near the AC, address it right away. Drying the area and removing wet materials helps prevent mold and structural issues. The pros can assess the water damage and guide you on next steps. They can also help with cleanup if the leak has spread to walls or floors.
For minor cosmetic damage, a simple inspection may be enough. For functional issues, a professional AC repair service is the right call. Water damage from a leak is a separate matter, and restoration work follows its own process.
- Turn off the AC before inspecting
- Look for bent fins and cracks
- Check for water stains indoors
- Dry wet areas immediately
- Call a pro for a thorough check
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Water keeps spreading into floors and walls, so it is worth acting early. Calls are answered 24/7.
Call Now (480) 898-4279Frequently asked questions
Can hail damage cause my AC to leak water?
Yes. Hail can crack the drain pan or housing, allowing condensate to leak out. Water may then run into your walls or ceiling. If you see water near your AC, dry it quickly and have the unit inspected to prevent further damage.
Will my insurance cover AC hail damage?
Policies vary, and your insurer decides what is covered. Some home policies cover hail damage to AC units, while others may not. Check your policy documents and contact your insurance company to understand your coverage. Keep receipts and photos for any claims.
How soon should I dry water from an AC leak?
Act quickly. Water left sitting can soak into drywall, wood, and flooring, causing swelling and mold. Blot up standing water with towels, use fans to circulate air, and remove wet carpets or padding if needed. The sooner you dry it, the less damage occurs.