Sullivans Island is known for its stunning coastal views and warm, humid summers, making a dependable air conditioning system a necessity. When your HVAC system isn’t performing properly, you need local experts who understand the unique climate challenges of a seaside home. 

Coastal Air Plus delivers top-tier air conditioning, heating, and indoor air quality services to keep your home comfortable no matter the season.

With high temperatures and humidity levels, a malfunctioning AC can quickly turn your home into an uncomfortable space. Whether your air conditioner is blowing warm air, making loud noises, or failing to turn on, Coastal Air Plus has the expertise to get it running again.

Our Cooling Services Include:

• AC Repair – Diagnosing and fixing cooling system issues fast.
• New AC Installation – Upgrading to energy-efficient air conditioning systems.
• Routine Maintenance – Seasonal tune-ups to extend the lifespan of your AC.

Schedule an AC service appointment today by calling 843-305-5728!

Many coastal homes use heat pumps for efficient year-round heating and cooling. If your heat pump isn’t switching modes, running constantly, or struggling with efficiency, our skilled technicians can diagnose and fix the problem.

Why Homeowners Choose Heat Pumps:

• Energy-efficient heating and cooling in one system.
• Lower energy costs compared to traditional HVAC units.
• Ideal for coastal climates like Sullivans Island.

Need heat pump repair or installation? Call 843-305-5728 today!

Coastal homes often face higher levels of humidity, salt air exposure, and airborne allergens, which can negatively impact indoor air quality. Coastal Air Plus offers customized air purification and ventilation solutions to create a healthier home environment.

Our Indoor Air Quality Services:

• Whole-Home Air Filtration – Reduce allergens, dust, and mold spores.
• Humidity Control – Balance moisture levels to prevent mold growth.
• Duct Cleaning & Sealing – Improve airflow and efficiency.

Breathe cleaner air—contact us for an indoor air quality consultation!

Even in the Lowcountry, winter nights can get chilly. A well-maintained heating system ensures your home stays warm without unnecessary energy waste. If your furnace isn’t heating properly or your energy bills are skyrocketing, Coastal Air Plus can help.

Heating Services Include:

• Furnace Repairs – Fast, professional fixes to restore warmth.
• Heating System Installations – High-efficiency furnace and heat pump upgrades.
• Seasonal Maintenance – Tune-ups to prevent unexpected breakdowns.

Call now to schedule furnace service or installation!

Many homes in Sullivans Island have older ductwork that leaks air, accumulates dust, or struggles with salt air corrosion. These issues can drive up energy bills and reduce indoor comfort.

Signs You May Have Air Duct Issues:

• Rooms that never seem to reach the right temperature
• Unusual dust buildup despite regular cleaning
• Higher-than-normal energy bills

Get your ducts inspected today—call Coastal Air Plus!

How often should I schedule HVAC maintenance?

• We recommend twice a year – once in the spring for your AC and once in the fall for your heating system.

Why is my air conditioner running but not cooling my home?

• Common causes include low refrigerant, clogged air filters, or a failing compressor. A professional inspection can determine the issue.

Do heat pumps work well in South Carolina's coastal climate?

• Yes! Heat pumps are perfect for mild coastal climates, offering efficient heating and cooling in one system.

When should I replace my HVAC system?

• If your system is over 10 years old, needs frequent repairs, or isn’t energy-efficient, replacing it can save you money on energy costs.