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Open 7 Days a Week · Mon–Fri 8–8, Sat–Sun 8–6
5.0 Rating
A+ BBB Accredited

Reliable Heating & Cooling in Sullivan's Island, SC

Heating, cooling, and honest answers for Sullivan's Island homeowners — seven days a week.

Sullivan's Island, South Carolina

HVAC Service Built for Sullivan's Island

Sullivan's Island homes have character that new construction cannot fake — and HVAC challenges to match. Many of the island's cottages went up long before central air existed, and the ones that have it often got it retrofitted in pieces over the decades. Alexander Heating & Cooling works on Sullivan's Island regularly, and we are comfortable with homes that have history.

Cooling a historic Sullivan's Island cottage is a different job than cooling a new build. Ductwork threaded through old framing, additions the original system never planned for, and the same relentless salt air that works on every barrier island system. Ductless mini splits are often the elegant answer here — they condition individual rooms without tearing into hundred-year-old walls, which is why you see those small wall units in so many island homes now. Whether your place needs a sensitive retrofit, a mini split, or just a repair done well, we are a quick trip over the Ben Sawyer Bridge.

Close By

Need an HVAC Company in Sullivan's Island?

Alexander is a quick trip over the Ben Sawyer Bridge. Call (843) 608-1689 or send the form and we will get you on the schedule — seven days a week.

Get Your Free Estimate

Open 7 days a week — we get back to you fast.

Why Alexander

Why Sullivan's Island Calls Alexander

5.0 Stars on Google

440+ five-star reviews from homeowners across the Charleston area.

Open 7 Days a Week

Weekdays until 8 PM, weekends until 6 — because systems do not fail on a schedule.

Licensed & Insured

SC Lic. # RBH 38876. BBB accredited, A+ rating since 2023.

Genuinely Local

Our shop is on Jessen Ln in Charleston — a quick trip over the Ben Sawyer Bridge.

Need HVAC Help in Sullivan's Island?

Call (843) 608-1689 or book online. Honest pricing and a crew your neighbors already trust.

FAQ

Frequently Asked Questions

Yes — Sullivan's Island is one of our core service areas. We are a quick trip over the Ben Sawyer Bridge, so our crew is nearby all the time.
We are open seven days a week — Mon–Fri 8 AM–8 PM and weekends 8–6. Call (843) 608-1689 and we will find you the first opening we can.
Yes. Alexander Heating and Cooling LLC holds SC license RBH 38876, is fully insured, and has been BBB accredited with an A+ rating since 2023.

Service Areas

Areas We Serve

Proudly serving Charleston and the Lowcountry, from Daniel Island to the beaches and out to Huger.

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