Industry Credentials

SMART maintains the following HVAC certifications to ensure best service in the HVAC industry.


NATE (North American Technician Excellence)

NATE certification tests have been developed by a committee of industry experts nationwide and represent real world, working knowledge of HVAC systems.


EPA Refrigerant Certification

This certification is required by the Environmental Protection Agency for all HVAC technicians to handle, check and charge refrigerant systems.


Mechanical License

All SMART Technicians and installers are licensed by St. Louis City and County to perform this specific type of work. Maintaining this license requires lifelong continuing education (PEU). SMART Contractors have created their proprietary training school to educate their technicians.



Every SMART Technician has completed this comprehensive safety training program.


Drug Testing

Continuous random drug testing is required for all SMART team members.