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Our Team
The team at 4-L are committed to serving our customers with the highest level of service possible. Our qualified and highly-trained team of engineers, plumbers, technicians and office staff are an extension of 4-L and are equipped and prepared to provide solutions for any job, big or small.
Leadership Team
Charles L. Hansford
Chief Engineer
Dustin Hansford
President & COO
Mike Youngkin
CFO/CIO
Justin Shelton
Director of Operations
Crystal Chaffin
Office/Accounting Administrator
Office Team
Chuck Womack
Project Manager
Eddie Cox
Facility/Fleet Manager
Andrew Joseph
Systems Operations Manager
Charlie Brinkley
Plumbing Service Manager
Richard MacDonald
Commercial HVAC Sales
Keanan Bovie
Account Manager
Anna Murillo
CSR/Dispatcher
Billy Glendening
CSR/Dispatcher
Raul Martinez
HVAC Service Manager
Caleb Preston
HVAC Sales
Careers at 4-L
We’re hiring! Find your next career at 4-L by filling out an application.
Contact Us
Contact 4-L for precision air conditioning and plumbing services in Dallas, TX