To be an industry leading, growth-oriented company that provides innovative mechanical heating, ventilation,
and cooling services.
Meet Our Leadership Team
Our senior leadership has 30+ years combined experience in all phases of HVAC mechanical construction, from planning and estimating to engineering and installation. As part of JL Service Group’s strong commitment to safety, quality, and service, both Jonathan and Robert will be involved in all levels of management and estimating projects until completion.
Jonathan HarmonPresident & Owner
As President and Owner of JL Service Group, Jonathan began his career in 2007 as an installer and earned his license in 2016 . He has 15 years of HVAC field experience, specializing in commercial, industrial and residential projects.
Prior to starting his own company, Jonathan worked for a large mechanical contracting firm. There, he quickly moved from the service team on to project management and business development, serving on projects such as industrial water and wastewater treatment facilities, data centers, and commercial real estate retrofit installations. This experience proved invaluable, allowing Jonathan to gain firsthand knowledge of all phases of the construction process from start to finish.
Jonathan holds multiple mechanical contracting licenses H2 , H3-1 and an electrical SP-PH contractor license in the state of North Carolina.
Robert RussellSenior Project Manager & Lead Estimator
Our Senior Project Manager, Robert Russell, is a jack of all trades with a tenured history in mechanical construction.
Robert began his career in 1988 as an apprentice installer and earned his license in 1995. He has more than 25 years of experience as a commercial and industrial project manager, successfully and safely overseeing multi-million dollar projects.
He is accomplished in all aspects of contracting including: budgeting, estimating, P&S and D/B, retrofits/renovations, new construction, campuses, manufacturing, industrial processing, financial management, scheduling, procurement, labor, and engineering.
JL Service Group is a fully licensed, bonded, and insured HVAC mechanical contracting firm.