Charleston's hot, humid summers and coastal salt air mean air conditioning runs hard for much of the year, and outdoor equipment near the water benefits from corrosion-resistant coils — factors worth discussing with any local installer.
Yes — similar to other coastal cities, salt-laden air can accelerate corrosion on outdoor condenser units near the coast. Ask about coastal-rated coils when installing new equipment.
Get a home-specific estimate with our AC Replacement Cost Calculator, factoring in home size and SEER rating.
Given the long cooling season, an annual tune-up before peak summer heat is the minimum recommendation for most Charleston homes.
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