Our Service Areas

Dunes Heating and Air Conditioning, LLC is based in Mount Pleasant, SC, and serves residential and commercial customers throughout the area. Contact us today for your heating and air conditioning service needs!

From air conditioner repair to HVAC system installation and preventive maintenance, our professional HVAC service team is proud to offer service in and around the following South Carolina communities:

Charleston

Daniel Island

Isle Of Palms

Mount Pleasant

Sullivan’s Island

Reach out to us today

Schedule your appointment with one of our technicians by filling out our contact form or calling us by telephone at (843) 480-2033.

See What Customers Say

Damian was amazing. He has helped us out at two of our homes over the years. Very nice and extremely knowledgeable. We highly recommend Dunes Heating and Air Conditioning, LLC.

Had the pleasure of working with Damian on getting quotes and information regarding an HVAC replacement. He was extremely professional and honest. Can't recommend this company enough, they have a great employee in Damian!

Extremely responsive, customer focused and went the additional mile to ensure our emergent requirements were addressed. Damian was a pleasure to work with a high level attention to our unique needs. Thank you!

Dunes Heating and Air Conditioning, LLC was very efficient. Their men came at the time they said they were going to and fix the problem as promised. They're very neat, polite and explain things as they went along. I was very happy with their service

I called Dunes Heating and Air Conditioning, LLC to check out an issue with our unit. Damian showed up right on time and quickly diagnosed an easy, effective fix. Highly recommend Dunes Heating and Air Conditioning, LLC as your go-to HVAC service provider.

Went over the whole system of my new home. I feel very confident in what I have been told and they took the time to change an air filter I cldnt reach myself. Outstanding, honest service

Frequently Asked Questions

What HVAC services do you offer?

We provide full-service heating and air conditioning solutions, including AC and furnace installation and repair, ductless mini-splits, air duct sealing, indoor air quality systems, commercial HVAC, replacement and upgrade services, and preventive maintenance.

Do you serve both residential and commercial customers?

Yes! We handle HVAC needs for homes, offices, retail spaces, and other commercial properties. Our solutions are tailored to each customer’s system and space.

What areas do you serve?

We proudly serve the Greater Charleston area, including Charleston, Mount Pleasant, Daniel Island, Isle of Palms, Sullivan’s Island, and surrounding communities.

How do I know if I need a new system or a repair?

Our technicians provide thorough inspections and evaluations. We’ll help you determine whether a repair, replacement, or upgrade is the most cost-effective and efficient option.

What is a ductless mini-split system, and when is it recommended?

Ductless mini-splits are energy-efficient heating and cooling systems ideal for rooms or areas without ductwork. They’re perfect for additions, garages, or spaces needing flexible temperature control.

How often should I schedule preventative maintenance?

For optimal performance, we recommend twice-yearly maintenance, typically before summer and winter. This keeps your system running smoothly, extends its lifespan, and helps prevent costly repairs.

Do you offer emergency HVAC services?

Our local, certified technicians respond fast to HVAC emergencies, ensuring your heating and cooling needs are met promptly.

Can you improve indoor air quality in my home or office?

We offer solutions like air purifiers, ventilation improvements, and duct cleaning to reduce allergens, dust, and pollutants, keeping your indoor environment healthier.

Are your technicians certified?

All team members are fully trained and certified, familiar with both residential and commercial HVAC systems, and committed to keeping your system running smoothly, every time.

How can I request a service or get a quote?

Simply contact us online or by phone. We’ll schedule a convenient appointment, provide an upfront estimate, and handle your HVAC needs with professionalism and care.