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Get up to $2000 tax credit on select AC systems! Call now to learn more.

Protecting Your AC After Hurricane Season: The Hidden Threat of Saltwater Damage


May 25, 2025

A Florida neighborhood flooded during a hurricane

Living in Florida offers the allure of coastal breezes and picturesque beaches. However, these same coastal elements can pose significant challenges to your HVAC system, especially in the wake of hurricane season. One of the most insidious threats is saltwater exposure, which can silently degrade your air conditioning unit's performance and longevity.

How Saltwater Affects Your AC System

Saltwater, carried by winds and storm surges, can infiltrate your HVAC system, leading to:

  • Corrosion of Metal Components: Salt accelerates the rusting process, particularly affecting condenser coils and fins. This corrosion diminishes the system's efficiency and can lead to costly repairs.

  • Clogging and Fouling: Salt particles can accumulate on coils, forming a layer that insulates them. This buildup reduces heat exchange efficiency, causing the system to work harder and consume more energy.

  • Electrical Malfunctions: Salt can infiltrate electrical components, leading to short circuits or system failures .

Signs of Saltwater Damage

After a hurricane, it's crucial to inspect your HVAC system for:

  • Visible Rust or Corrosion: Check for any signs of rust on the outdoor unit, coils, or fins.

  • Decreased Cooling Efficiency: If your system struggles to maintain desired temperatures or runs longer than usual, salt damage might be a factor.

  • Unusual Noises: Grinding or rattling sounds can indicate internal damage caused by corrosion.

Preventive Measures and Maintenance Tips

To safeguard your HVAC system from saltwater damage:

  • Regular Cleaning: Rinse the outdoor unit with fresh water to remove salt deposits. Ensure the system is powered off before cleaning.

  • Protective Coatings: Apply corrosion-resistant coatings to metal components to create a barrier against salt exposure.

  • Strategic Placement: If possible, relocate the unit to a more sheltered area to minimize direct exposure to salty air.

Routine Inspections: Schedule professional HVAC maintenance at least twice a year to detect and address potential issues early .

Trust Cool Today for Post-Hurricane HVAC Care

At Cool Today, we understand the unique challenges Florida homeowners face. Our team is equipped to assess and address saltwater-related damage, ensuring your HVAC system operates efficiently year-round. Contact us today to schedule a comprehensive inspection and safeguard your comfort.




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