Select Page

Commercial & Industrial HVAC/R Systems

Home > Service > Commercial & Industrial HVAC/R Systems

Cullum Mechanical can design, install, and service large-scale mechanical HVAC and refrigeration systems.

HVAC/RCullum Mechanical delivers comprehensive HVAC/R system solutions for commercial and industrial facilities. With decades of experience, the company’s team specializes in designing, installing, maintaining, and repairing complex commercial & industrial HVAC/R systems that keep critical environments running efficiently. From large rooftop units and central plant systems to advanced refrigeration and mechanical piping, the professionals at Cullum Mechanical tailor every solution to meet the needs of the facility. The company’s focus is on reliability, performance, and long-term value, ensuring HVAC/R systems run at peak efficiency year-round.

Cullum Mechanical’s professionals assist with every aspect of commercial & industrial HVAC/R systems. The company provides expert system design and engineering, large rooftop unit installation and replacement, and full-service support for chillers, cooling towers, and central plant operations. The team also handles air handling units, ventilation systems, custom ductwork fabrication, and mechanical piping. For facilities that require refrigeration, Cullum Mechanical installs and services commercial and industrial-grade systems built for durability and performance.

Cullum Mechanical’s core capabilities include:

  • Commercial HVAC system design and engineering
  • Large rooftop unit (RTU) installation and replacement
  • Chillers, cooling towers, and central plant systems
  • Air handling units and ventilation systems
  • Mechanical piping and custom ductwork fabrication
  • Commercial and industrial refrigeration systems
  • Equipment retrofits, upgrades, and replacements
  • Preventive maintenance and service programs
  • Energy efficiency improvements and system optimization
  • Emergency repair and troubleshooting

In addition, Cullum Mechanical offers equipment retrofits, system upgrades, and energy efficiency improvements to help reduce operating costs while enhancing system reliability. The company also services a wide range of industries, including:

  • Office buildings
  • Hospitals and healthcare facilities
  • Manufacturing plants
  • Warehouses and distribution centers
  • Data centers
  • Educational facilities
  • Retail centers
  • Government and institutional buildings

On top of this, Cullum Mechanical provides preventive maintenance programs and responsive emergency repair services to minimize downtime and extend equipment life.

“The best.”

 
Testimonial

“The best non-residential HVAC company around.”

★★★★★ - Dannielle M.

Engineered Solutions for Complex Environments

Services Cullum Mechanical Offers

Mechanical Engineering & Construction

Mechanical Engineering & Construction

Cullum is a top source for mechanical engineering and construction from a design-build or design-assist approach.

HVAC Services

HVAC Services

Commercial and industrial facilities rely on Cullum to keep their heating, ventilation, and air conditioning (HVAC) systems up and running.
Commercial Mechanical Contractor

Fabrication Services

Cullum has its own fabrication facilities and guarantees quality.

Optimize Your Facility’s Energy

Whether you are building a new facility or upgrading an existing system, Cullum Mechanical is your trusted partner for dependable commercial & industrial HVAC/R systems.


Cullum provides commercial HVAC/R services throughout South Carolina, including Charleston, Columbia, Greenville, North Charleston, Lexington, and Simpsonville.

Why Choose Cullum Mechanical?

Cullum Mechanical specializes in heating, ventilation, air conditioning (HVAC), plumbing, medical gas piping, and process piping projects. It also has extensive project experience with manufacturing facilities, laboratories, convention centers, hospitals, sports complexes, aquariums, dormitories and office buildings. Technicians have extensive knowledge and technical skills in servicing a diverse range of HVAC equipment from small split systems to large chilled/hot water systems, including cooling towers and chillers. Paramount to Cullum’s services is the company’s expert project management team. The majority of project managers and superintendents have been with Cullum for over 20 years, and this expertise contributes to service excellence during all phases of any project.

See what businesses across a range of industries have to say about Cullum's services for commercial & industrial HVAC/R systems.

 
Great
In 30 years of property management hands down the best HVAC company I have ever worked with!
Response from the owner:Thank you for your business and review.
Great company with great people!
Response from the owner:Thank you.
Great customer service
Response from the owner:Thank You.
Highly dependable and always super responsive
Zane Driggers is one of the most personable and knowable employees. I highly recommend Cullum.
Response from the owner:Thank you.. We are glad he is part of #teamcullum
Exceptional customer service from the beginning to the completion of any project is a must. Cullum’s professional work ethic is an added bonus.
Response from the owner:Thank you for your business.
Great service, great people. Highly reccomend!
Response from the owner:Thank you.
Best in the business
The people are knowledgeable and helpful.
Fantastic service and ready to take care of you. An absolute pleasure to work with.
Quality work and excellent customer service from a friendly staff. Highly recommend them for HVAC and plumbing needs.
Response from the owner:Thank you for you business and review.
These guys are honest and get the work done when they say they will. 10/10 would recommend.
Great experience! Would recommend to anyone looking for HVAC service work.
Excellent customer service!!
Cullum Mechanical has been a great company to work with. Everyone I deal with has been professional and has made the projects a pleasurable experience. I would highly recommend them!
Response from the owner:Thank you for leaving us a great review, Neil! We appreciate it.
Very personable and dependable!
Response from the owner:Thanks for the great review, Donna! We appreciate your feedback.
Friendly staff
Response from the owner:Thanks for the 5-star review, George! We are glad you enjoyed interacting with our team!
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.
Response from the owner:Thank you, CB, for the feedback. We appreciate your business.
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!
Response from the owner:Thank you, Carley, for your review. Cullum’s valuable team members help make it a great place to work.
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!
When they say 24 hour service they really mean it.
We called after midnight on a Saturday and the tech was here by 2:00 AM !
He was done and we were back in operation before daylight.
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.

Minimize downtime with reliable 24/7 HVAC/R support.

Similar Services We Offer:

Refrigeration Design

Simply put, refrigeration design involves designing all the components of a new refrigeration system. This process may entail selecting and configuring…

X

Consult With Cullum's Mechanical Team

X

Consult With Cullum's Mechanical Team

X

Consult With Cullum's Mechanical Team