AC Installation, Repairs, & Maintenance
Reliable air conditioning is essential to maintain your home’s comfort. At Dunes Heating and Air Conditioning, LLC, your comfort is our business. We offer a complete range of air conditioning services in Mount Pleasant, Charleston, and surrounding communities to keep your home cool and comfortable, no matter how high the temperatures climb.
Whatever your air conditioning needs, you can count on us for unmatched service—call (843) 480-2033 to book an appointment.
AC Installation & Replacement
An aging, inefficient air conditioner doesn’t just struggle to keep up—it costs more to operate and is far more likely to fail when you need it most.
Replacing your AC system is a significant decision and an essential investment in your home’s comfort and efficiency. It may be time to consider a new unit if your current system can’t keep your home consistently cool, leaves the air feeling humid, or requires frequent repairs to stay running.
When purchasing a new AC system, our certified HVAC dealers can help you consider:
We know cost matters—replacing an air conditioning system is a meaningful investment in your home and your family’s comfort. That’s why we offer upfront pricing and free estimates for new air conditioner systems in Mount Pleasant so that you can make an informed decision without surprises.
To make the process easier, we also offer flexible financing options for approved credit, helping homeowners spread out payments to fit their budgets.
Everything mechanical breaks down sooner or later. No air conditioning system is immune to repairs, especially as it gets older and hasn’t been well-maintained. When you need help with your existing equipment, we offer expert AC repair, same-day service, and emergency air conditioning repair. Our technicians are trained and experienced in troubleshooting and repairs for all brands.
Our routine maintenance services are designed to keep your AC system running reliably and efficiently all season long. During each visit, our technicians perform a comprehensive inspection, clean key components, and test system performance to ensure everything is operating at its best.
Regular Mount Pleasant AC maintenance helps improve energy efficiency, extend the life of your system, and reduce the risk of unexpected breakdowns—especially during the peak summer months.
If your AC is over 10–15 years old, struggles to cool your home or business, runs inefficiently, feels humid, or requires frequent repairs, it may be time to replace it.
Our technicians evaluate your home, recommend the right system size and type, remove your old unit, install a high-efficiency air conditioner, and test it to ensure optimal performance.
Most systems should be serviced at least once a year, preferably in the spring. Regular maintenance keeps your system running efficiently, prevents breakdowns, and helps extend its lifespan.
Maintenance includes inspecting and cleaning key components, checking refrigerant levels, testing electrical connections, verifying airflow, and ensuring your system operates safely and efficiently.
Routine maintenance helps reduce dust, allergens, and other contaminants circulating in your home while maintaining consistent cooling and humidity control for maximum comfort and improved indoor air quality.
A clean, well-tuned HVAC system doesn’t work as hard to cool your home, improving energy efficiency and potentially reducing your monthly utility costs.
We handle all types of AC repairs, from fixing refrigerant leaks and malfunctioning thermostats to repairing fans, compressors, and electrical components.
Our team offers prompt, reliable repair services to restore cooling quickly and minimize discomfort during unexpected system failures.
We offer financing options with approved credit to make replacing your AC more affordable and convenient.
Keeping your AC well-maintained reduces strain on components, prevents major breakdowns, and extends the life of your system.
You can request a free estimate online or call our team directly. We’ll help you choose the best service—repair, maintenance, or replacement—for your home and budget.
Even new systems need annual inspections and cleanings to maintain efficiency, support indoor air quality, and keep your warranty valid.
Residential and commercial air conditioning systems are complex and expensive, so don’t risk your valuable equipment to inexperienced hands. At Dunes Heating and Air Conditioning, LLC, we offer exceptional service from highly qualified technicians. We have provided AC installation, repairs, and maintenance in the local area for more than 23 years.
When you need your air conditioner repaired, preventive maintenance performed, or the old system replaced, we offer expert services tailored to your needs with upfront pricing. Over more than two decades in business, we have worked to stay abreast of all advances in our industry to bring our customers the highest-quality products and technical expertise.
We offer Mount Pleasant air conditioning maintenance to help keep your system operating reliably and energy efficiently. Our technicians perform a thorough inspection, clean the system, and test all components to ensure that everything is working at optimal efficiency.
Our maintenance program can help you avoid unexpected repairs in the middle of the summer.
Why Dunes Heating and Air Conditioning, LLC?