Charleston’s Trusted HVAC Experts Since 1998

When it comes to comfort, Charleston families and businesses rely on Dunes Heating and Air Conditioning, LLC

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HVAC in Mt. Pleasant, SC

From AC repair and new HVAC system installation to indoor air quality and preventative maintenance, we’re here to keep your space running efficiently season after season.

We combine top-tier HVAC products with honest service, dependable workmanship, and a local team that genuinely cares. Whether it’s a quick repair or a complete system upgrade, we do the job right the first time.

Our HVAC Services

Reliable comfort starts here.

Why We're Charleston's Preferred HVAC Company

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

Serving the Greater Charleston Area

Proudly providing dependable heating and air conditioning services across the Lowcountry, including:

Wherever you call home, our expert technicians are only a call away— ready to deliver comfort you can count on.

Stay Comfortable. Stay Local. Choose Dunes Heating and Air Conditioning, LLC.

From first-time homeowners to long-established businesses in Charleston, SC,Dunes Heating and Air Conditioning, LLC is here to make every season more comfortable. Get in touch today to schedule heating and air service, request a quote, or learn more about how we can help.