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Cullum Constructors Inc Cullum has been the top name in construction and HVAC service organizations in the Southeast since 1972. Cullum has been the top name in mechanical construction and HVAC service organizations in the Southeast since 1972. Cullum Services, Inc. is an HVAC industry leader in repair, service, installation, and maintenance specializing in industrial and commercial HVAC systems.

Positively impacting and serving commercial and industrial industries is the company's goal, and operations are divided into two companies to continue to set the standard for customer service.
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Cullum Mechanical Construction, Inc. was founded in 1972 by Furman Cullum, whose operations today are comprised of two thriving subsidiaries: Cullum Constructors, Inc. and Cullum Services, Inc. Significant expansion throughout our longstanding history has allowed us to obtain a certificate of authorization for professional engineers and surveyors, unlimited licenses, as a mechanical contractor and general contractor in South Carolina and mechanical and plumbing licenses in North Carolina and Georgia.
Cullum is a multi-faceted maintenance company that specializes in industrial, commercial, and institutional HVAC equipment and maintenance. Technicians boast extensive knowledge and technical skills, enabling service to be performed on a variety of HVAC equipment, ranging from small split systems to larger cold/hot water systems, including chillers and towers.
As a full-service mechanical contractor, Cullum can take care of any construction needs, masterfully handling the varying phases of design and implementation of any project, thanks to capabilities with engineering, HVAC systems, plumbing, process piping, and fabrication. Master craftsmen and a superior project management team combine resources and efforts to ensure key aspects of every project evolve precisely according to pre-set timelines and budget for an end result that far exceeds expectations.
Providing added value through better coordination, cooperation, and trust, Cullum is a top source for mechanical engineering and construction from a design-build or design-assist approach. Possessing the necessary field experience to fully comprehend how construction phases, methods, and materials impact system installation and design, Cullum's mechanical staff possesses expertise far beyond design capabilities.
Reviews (9)
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Dea Sc
Nov 27, 2021
Needed HVAC repair and maintenance for office building located in Charleston SC. Cullum Mechanical always does a fantastic job maintaining our HVAC systems. Its great to have a local HVAC company in the Charleston area that we can rely on for quality and professionalism. Services: Repair HVAC, HVAC system maintenance, A/C system repair
C. B.
May 20, 2021
Cullum is fantastic! I run a wedding venue that needs very fast assistance when something goes wrong and Cullum is always so responsive and quick to be at our aid. They have had to troubleshoot problems that I think often threw them for a loop and they have always been so helpful and creative and willing to dig in and find a solution. Professionals who know their stuff! I would highly recommend for any type of need.
Dano Arbon
Feb 13, 2020
These Guys are Great! They really know what they are doing and they have been great to work with. If you need HVAC services or Mechanical Engineering and you're in the Charleston area, then give them a call!
Carley Russell
Sep 03, 2019
I personally have never had to use Cullem but my father is one of their lead technicians. They are an amazing company. Most of the guys do an amazing job!
Chris Casner
May 17, 2019
Had someone come out to give me an estimate to install a commercial exhaust hood. I had all of the equipment except needing duct work. Was told that I'd receive an estimate. Called them 3 times and finally was told it's not what they do and they weren't going to charge me for the time. Really?
Brittney Pezzullo
Dec 11, 2018
Had to find someone to qfuickly come fix an HVAC unit at my business. Worked with Lea and she was so quick and efficient in getting a tech out to my business asap. She was so nice and understanding and helpful and I could not be more appreciative of the wonderful customer service we received from this company!
Pat W.
Jun 26, 2016
As a property manager, I currently use Cullum Services for all my HVAC needs. I have found them to be responsive with good quality work. They were referred to me by a colleague several years ago and I couldn't be happier.
Bob Macalister
Jun 16, 2016
The dispatcher was pleasant and understood our need. The technician was awesome, he didn't just say it's fixed sign here. He took the time to explain what was happening and why.
Will M.
Feb 04, 2016
Don't give them the pleasure of wasting your time and resources. I booked a service call over a week in advance and was told I would be the only person on the schedule for the day and that the technician, Andy Spell, would be there early in the morning. To make a very long and annoying story short, I had to call them all day to find out at 3:00pm that they were not going to show up. Then, they never called back to reschedule after stating they would call back in just a moment. There are a lot better service companies(and technicians) in this town, don't waste your money on these rude idiots.