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23 Years
experience
Emergency
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Commercial HVAC & Plumbing Solutions Built to Last
At Herlocker Mechanical System, we are market leaders relentless in our pursuit of value-based design, installation, and repair solutions that redefine customer expectations, employee experiences, and exceptional practices for the plumbing, piping, and HVAC profession. Founded in 2003, our leadership team brings decades of specialized expertise from prior roles at Freeman-White Associates, McDevitt & Street, and Luwa, combining deep technical knowledge with a commitment to innovation. Our team includes two highly skilled professional engineers who prioritize both first-cost efficiency and lifetime operational savings through energy- and water-conscious design. We specialize in complex commercial HVAC systems, industrial plumbing installations, and preventative maintenance programs tailored to industrial plants, healthcare facilities, and Class A offices.

Our certifications with Aquatherm, Victaulic, and other industry leaders ensure precision in every project. We leverage advanced technologies like Trimble for layout accuracy and pre-fabrication to meet demanding timelines while maintaining rigorous safety standards. Our proactive maintenance philosophy minimizes costly repairs through tailored service programs. With licenses in North and South Carolina, we serve clients across diverse sectors including food processing, education, and healthcare. Our partnerships with local reviewers streamline permitting processes, ensuring faster project approvals. This combination of technical excellence, strategic foresight, and client-centric service has earned us trusted partnerships with industry leaders like Choate Construction.
Services
Construction Design Maintenance & Repair Industrial HVAC Plumbing Systems
Details
  • Year established: 2003
Highlights and features
  • We offer 20+ years of specialized HVAC and plumbing expertise in industrial and healthcare settings.
  • Our team includes licensed Professional Engineers with NC and SC mechanical and plumbing certifications.
  • We implement Trimble technology for precise layout and pre-fabrication efficiency.
  • Proactive maintenance programs reduce emergency repair needs by 70%.
  • Certified installers for Aquatherm, Victaulic, and ZoomLock systems ensure code compliance.
What people say
Trusted partners High-caliber systems Consistent communications
Services
Commercial HVAC Installation
We design and install industrial HVAC systems using air rotation, spot cooling, and HLVS fans. Our expertise includes VAVs, VRF, chillers, boilers, and cooling towers for large-scale commercial applications. Certified installers ensure compliance with industry standards.
Industrial Plumbing
Our team specializes in complex waste system installations using Trimble technology for precision layout. We handle high-pressure lube piping, stainless steel welded piping, and emergency repair services for industrial and commercial clients.
Preventative Maintenance
We develop customized HVAC and plumbing maintenance programs to minimize emergency repairs. Our proactive approach includes system performance monitoring, scheduled inspections, and cost-effective lifecycle management for industrial and commercial facilities.
Design Engineering
Our licensed Professional Engineers create energy-efficient HVAC and plumbing designs considering first-cost and lifetime operational expenses. We optimize systems for healthcare facilities, distribution warehouses, and Class A offices while ensuring code compliance.
Industrial Piping
We install industrial process piping systems including stainless steel welded piping and high-pressure lube piping. Our team uses advanced coordination techniques for complex configurations in manufacturing and processing facilities.
People
Tom Herlocker
President
Founder with 15 years of experience in healthcare project design engineering and general contracting. Previously worked at McDevitt & Street and Luwa, specializing in industrial and pharmaceutical mechanical systems.
Joel Herlocker
Vice-President
Licensed Professional Engineer with expertise in HVAC and plumbing system commissioning. Joined the company in 2010 after co-op experience at RMF Engineering, focusing on building design and CAD drafting.
Questions
What industries does Herlocker Mechanical serve?
We specialize in HVAC and plumbing solutions for industrial plants, healthcare facilities, Class A offices, educational institutions, and food processing centers.
Do you offer emergency repair services?
Yes, we provide emergency plumbing and HVAC repair services for critical system failures outside regular business hours.
What certifications do your technicians hold?
Our team includes licensed Professional Engineers and certified installers for Aquatherm, Victaulic, ProPress, and ZoomLock systems in NC and SC.
How do you ensure project timelines are met?
We use Trimble technology for precise layout, pre-fabrication techniques, and agile project management to maintain strict construction schedules.
What preventative maintenance programs do you offer?
We design customized HVAC and plumbing maintenance plans that reduce emergency service calls by 70% through proactive system monitoring.