Comfort Systems USA · 1 day ago
Field Service Technician III
Greater Houston
Full-time
Hybrid
Mid LevelComfort Systems USA is a Houston-headquartered private company known for its integrity and customer focus. The Field Service Technician III is responsible for providing field support, troubleshooting, and commissioning mechanical and electrical systems while ensuring quality assurance throughout the project.
ConstructionHeating Ventilation and Air Conditioning (HVAC)IndustrialService Industry
Responsibilities
Startup, preventative maintenance, and service of vertical turbine pumps and split coupled inline pumps
Startup, preventative maintenance, and service of Cooling Towers (Evapco, Kelvion, Marley, SPX)
Startup, preventative maintenance, and service of Centrifugal Chillers (Trane, York, McQuay, Smardt)
Startup and troubleshooting variable frequency drives (Eaton and Allen-Bradley)
Install and repair power distribution systems including electric motors, motor control centers, and variable speed drives
Close interface with other Field Service Technicians, Project Engineers, and Project managers, with the mechanical and electrical engineers, with service technicians, and with the client’s personnel
Assist the Production Department in assembly, or in training of factory personnel
Compile O&M information
Transmit critical O&M information during a project
Assist in compilation of the final sets of IOM manuals
Feedback from the field is an integral part of the position
Create legible “red-line” drawings to submit to Project Manager
Arrange for a timely hand-off from construction function
Direct the field commissioning of a project
Responsible for trouble-shooting all mechanical and electrical equipment
Provide documented commissioning of the mechanical and electrical portions (at a minimum) of the project
Assist in Quality Assurance and Quality Control functions
Will possibly perform or oversee QC checks
Other responsibilities as designated by TAS
Qualification
Required
Significant project field experience is required in construction support, startup, repair, and maintenance work
Experience with variable frequency drive startup and troubleshooting (Eaton and Allen-Bradley)
Experience with verification of compliance with ASHRAE, ASME, and other relevant codes and practices
Experience with Centrifugal Chillers, Cooling Towers, VFD
Ability to travel extensively to both domestic and international job sites
The ability to work in field construction conditions is required
Must have or can obtain applicable safety certifications including but not limited to OSHA10 General Construction, NFPA-70E
Safe driving record
Ability to read drawings and schematics
Proficient in Microsoft Office Suite including MS Office projects
Ability to travel extensively domestic and international
Exposure to at least one brand of PLC or Building controls
Must be able to work independently at the job site
Preferred
HVAC Trade school and/or apprenticeship training preferred
Military training and/or technical work experience could be considered in lieu of trade school certification
Company
Comfort Systems USA
Comfort Systems USA is a national heating, ventilation and cooling (HVAC) company
Founded in 1997
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown1997-06-27IPO
Leadership Team
Trent McKenna
Executive Vice President and Chief Operating Officer
Briston Blair
Senior Vice President, Innovation & Strategy | Digital & Workforce Transformation, Operations, M&A
Recent News
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2025-12-19
2025-12-06
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