Charleston, SC, is known for its historic charm, waterfront views, and hot, humid summers. While the coastal climate attracts visitors year-round, homeowners and businesses rely on properly functioning HVAC systems to stay comfortable. 

Coastal Air Plus provides top-tier air conditioning repair, furnace installation, heat pump maintenance, and indoor air quality solutions to ensure your system operates efficiently in every season. 

Call 843-305-5728 today to schedule an appointment or request a free estimate.

Summers in Charleston can be relentless, making a well-maintained air conditioner essential. If your AC is failing to cool properly, making unusual noises, or not turning on, Coastal Air Plus offers fast and effective air conditioner repair and maintenance.   

Our Cooling Services Include:   

• AC Installation & Replacement – We install energy-efficient air conditioning systems designed for Charleston’s climate.   
• AC Repair & Troubleshooting – Our technicians quickly identify and fix refrigerant leaks, airflow issues, and compressor failures.   
• Preventative AC Maintenance – Regular servicing helps prevent costly breakdowns and extends the lifespan of your unit.   

Need AC repair or installation? Call 843-305-5728 or schedule an appointment online.

Heat pumps are an excellent option for Charleston’s climate, offering energy-efficient heating and cooling in one system. If your heat pump isn’t keeping up with temperature demands, Coastal Air Plus provides professional installation, repairs, and maintenance.   

Our Heat Pump Services Include:   

• Heat Pump Installation – Upgrade to a high-efficiency heat pump for year-round comfort.   
• Heat Pump Repair – If your system isn’t heating or cooling effectively, we’ll identify and resolve the problem.   
• Routine Heat Pump Maintenance – Prevent unexpected failures with regular service to keep your system in peak condition.   

For professional heat pump service in Charleston, call 843-305-5728 today.

Between Charleston’s coastal humidity, seasonal allergens, and everyday pollutants, maintaining good indoor air quality is essential for comfort and health. Coastal Air Plus offers solutions to improve air circulation and filtration.   

Our Indoor Air Quality Services Include:   

• Air Filtration & Purifiers – Capture airborne allergens, bacteria, and dust for cleaner air.   
• Whole-Home Humidifiers & Dehumidifiers – Control moisture levels to prevent mold and improve comfort.   
• Duct Cleaning & Sealing – Improve HVAC efficiency and reduce dust accumulation.   

Breathe easier—call 843-305-5728 to discuss indoor air quality solutions today.

Charleston winters may be mild, but a working furnace is still necessary for chilly nights. Whether your heating system needs repairs or you’re considering an upgrade, Coastal Air Plus has you covered.   

Our Heating Services Include:   

• Furnace Installation & Replacement – We install modern, high-efficiency furnaces tailored to your home’s heating needs.   
• Furnace Repairs – If your furnace is making odd noises, failing to heat properly, or cycling frequently, our team will diagnose and fix the issue.   
• Routine Furnace Maintenance – Preventative servicing reduces energy costs and helps prevent unexpected failures.   

For expert heating services in Charleston, call 843-305-5728 today.

Leaky or clogged air ducts can reduce system efficiency, cause uneven heating and cooling, and lead to higher energy bills. Our team provides professional duct sealing, cleaning, and repair services to ensure your home stays comfortable year-round.   

Signs You May Need Air Duct Charleston Repair:   

• Certain rooms feel too hot or too cold compared to the rest of your home.   
• Your energy bills have increased despite no major changes in HVAC usage.   
• There is excessive dust buildup around vents and registers.   

Optimize your home’s airflow with professional air duct service. Call 843-305-5728 today.

How often should I have my HVAC system serviced?

• It’s recommended to schedule HVAC maintenance at least twice a year—once in the spring for your air conditioner and once in the fall for your heating system. Regular maintenance helps prevent breakdowns and improves efficiency.

What are signs that my air conditioner needs repair?

• If your AC is blowing warm air, making strange noises, or constantly cycling on and off, it may need professional attention. Unusual increases in your energy bill can also indicate an issue with your system.

How can I improve my indoor air quality?

• Installing air purifiers, cleaning your ducts, and maintaining proper humidity levels can significantly improve indoor air quality. Regular HVAC filter changes also help reduce allergens and pollutants.

Are heat pumps effective in Charleston’s climate?

• Yes, heat pumps are a great choice for Charleston’s moderate winters and warm summers. They provide both heating and cooling efficiently, helping to lower energy costs year-round.

Why is my energy bill higher than usual?

• If your energy bill has increased unexpectedly, your HVAC system may be working harder due to dirty filters, leaky ductwork, or an aging system that needs maintenance or replacement.