Relaxed, Professional Service with a Smile.

We are a licensed local HVAC company with a focus on residential new construction and light commercial. We take great pride in our work and each relationship that we continue to build throughout our community.




Mulligan Heating and Air LLC happily services the following cities and surrounding areas:

Hilton Head Island






Our Mission:

To provide professional heating, ventilation and air conditioning (HVAC) services for homeowners, custom & production builders and small commercial businesses, with a smile. 


Our Core Values: 

  • Culture of Honesty. Keeping it Ethical.

  • Quality. Doing what we do, well.

  • Integrity. Be real.

  • Accountability. Taking responsibility. Your comfort is our concern.

  • Efficient. Constantly improving, always learning.



D. Streppa

Home Owner

"Mulligan Air installed my heating and Air in 2014. They have continued to service my equipment since then. Great professionals. They work with the manufacturers and us to make sure that everything runs smoothly. Great group of people have the highest of praise."

M. Bader


Full Circle Construction Company

"When I get ready to price out a new construction project, I immediately think of who I want to price out my air conditioning and heating work.  The first company that comes to mind is Mulligan Heating and Air.  From estimating, to final pricing, to delivery of materials, to execution of the work, Mulligan Heating and Air  always has me covered with a turnkey package, and implements a plan to get the job done with excellent experienced tradesman and supervision.  At the completion of the work, the quality is excellent and the customer service is second to none.”

M. Schaffer

Home Owner

"Thank you very much for responding so quickly to our request to have our HVAC system looked at. It was the transformer. Also, your technician was extremely professional."

Y. Douglas

Administrative Assistant

Forino Co., L.P.

"Working for a builder, Mulligan Heating and Air has been a very reliable vendor and an essential part of our operations. Their staff is always very friendly and always willing to answering any questions we may have. Their passion in helping others reflects in the work the do."

(843) 645-4322

3229 Argent Blvd Suite C, Ridgeland, SC 29936, USA

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Monday - Friday

8a.m. to 4p.m.