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Air Conditioning Great Company. Even Better People.

Hilton Head Air Conditioning Services

Trusted Hilton Head Island AC Company Since 1984

When Hilton Head Island homeowners and business owners need a dependable air conditioning company, Dyess Air & Plumbing has been the local answer since 1984. More than 40 years of air conditioning service in the Lowcountry means our NATE-certified technicians understand what coastal heat, humidity, and salt air can do to cooling systems. Whether you need a same-day repair, a new system installation, or a preventive tune-up, we’re the full-service AC company built around earning your trust for the long haul.


If you’re in need of air conditioning services, contact us today at (843) 242-0855 to schedule your service.


What You Get with Our Hilton Head Island AC Service

When your cooling system breaks down, there’s no need to put off a repair call. Our team is standing by around the clock to respond quickly and get your air conditioning service underway.

We focus on delivering:

  • 24-hour emergency AC repair
  • Accurate estimates backed by our Homeowner’s Guarantee: you’ll be satisfied or we’ll make it right
  • Courteous, professional, NATE-certified technicians on every job
  • Fully stocked trucks and warehouses for faster service turnaround
  • Maintenance plans to help you budget for future AC care
  • Financing options for replacement systems

Signs You Need AC Repair

The last thing you want to deal with is your AC unit going out on a hot summer day. Hilton Head Island’s heat and humidity place sustained stress on cooling systems, and catching warning signs early can reduce the risk of a full breakdown during peak season. Below are a few signs to watch for.

  • Blowing warm air:
    If your AC unit is blowing warm air, it could be low refrigerant that needs to be addressed or another issue in the system. Contact our AC repair team for prompt air conditioning service.
  • No air from vents:
    If you notice that little to no air is coming out of your vents, it could be a failing compressor or something wrong with your home’s duct system. Whatever the cause, give us a call for our professional Hilton Head Island AC repair services.
  • Loud or unusual noises:
    Loud noises coming from your AC system are rarely a good sign. They may point to a belt that has come loose or a failing motor in need of repair.

In coastal environments, salt air can also speed up corrosion on refrigerant lines and electrical contacts. If anything seems off, prompt diagnosis can help keep a minor issue from turning into a full system failure.

AC Installation in Hilton Head Island

Buying a new air conditioner is a big decision. Our NATE-certified technicians run load calculations and ask the right questions before recommending a system. Proper sizing is especially critical on Hilton Head Island, where coastal humidity means an oversized unit that short-cycles can leave excess moisture in the air, and an undersized unit can run excessively and wear faster. We carry Carrier central air conditioners, heat pumps, and ductless AC systems, and we can match the right equipment to your home’s specific needs.

Even on a straightforward replacement, we recheck the sizing numbers to confirm the new unit can perform as expected. We can also walk you through any upgraded features that could improve comfort. Financing options are available for larger installation or replacement projects, and most Carrier systems come with manufacturer warranties that typically require maintenance in accordance with the owner’s manual instructions to remain valid.

Preventive AC Maintenance for Coastal Climates

Spring and early summer are the right times to set up an appointment for preventive AC maintenance. Our NATE-certified technicians go over your cooling system to check for leaks, loose connections, and worn parts, clean key components, and clear the drains. Any areas of concern are noted for you so you can plan next steps.

On Hilton Head Island, salt-air exposure can accelerate corrosion on outdoor condenser coils and electrical contacts, making annual inspections more valuable than in inland climates. Scheduling maintenance each year can give your system a better chance at a longer service life and helps satisfy manufacturer warranty requirements on newer equipment.

Your Local Air Conditioning Company Since 1984

Make this an easy, breezy summer with air conditioning service from Dyess Air & Plumbing. We’ve been serving the Hilton Head Island area for more than 40 years, and we’re proud of our reputation for quality products and reliable air conditioning service. Our Homeowner’s Guarantee means you’ll be satisfied with the work, or we’ll make it right.

We’re the air conditioning company you can call for repair, installation, and maintenance for both residential and commercial systems. Reach out to our Hilton Head Island air conditioning team today to learn more about keeping your system in good condition or to schedule an appointment.


We would love the chance to show you how hard we work to earn customers for life. Call us at (843) 242-0855 or use our online form to get started with your AC services in Hilton Head Island.


Make Your Home Comfortable Requesting a Service Is Easy

We built our company around honest, reliable work dedicated to complete customer satisfaction. When you need dependable heating, AC or plumbing services in your home, call our team to schedule an appointment or request a service online today.

Why Choose Dyess Air & Plumbing?

From First Job to Lifelong Career — Dyess is Home

At Dyess, we believe our people come first. When our team thrives, our customers receive the best service possible. That’s why we offer more than just a paycheck — we provide the tools, benefits, and culture you need to succeed.

  • Family Atmosphere

    A supportive, team‑first culture where you’re not just a number

  • Work Environment & Perks

     Paid Holidays, PTO, and Minimal On‑call for Select Roles

  • Premium Benefits

    Health, Dental, Vision, 401(k) match, FSA, Pet Insurance, and Mental Health Resources

  • Career Growth & Training

    Ongoing Education, Certifications, and Mentorship

  • Top-Tier Tools & Technology

    Company Truck, Uniforms, Fuel Card, and More! (for field roles)

  • Unmatched Compensation

    Hourly/Salary Pay, Spiffs, Bonuses, & Commission Opportunities