Posts Tagged ‘technicians’

During the past 20 years, Casteel Heating and Cooling has been one of the most respected names in metro Atlanta for heating and air conditioning. We began in 1987 with one small red service truck and an office workshop in the basement of our home. Today, our fleet of trucks and professionally trained NATE Certified technicians are dispatched all over metro Atlanta from our offices in Marietta. We are proud of our extended service area that we have been able to acquire over the years! Take a look at our map to see if we cover your area.

Our service areas include:


North American Technician Excellence (NATE,) headquartered in Arlington, VA., was founded in 1997 and is the nation’s largest non-profit certification organization for heating, ventilation, air conditioning and refrigeration technicians. NATE is the only
technician certification organization governed, owned, operated, developed and
supported by the HVACR industry.

What does NATE do?

NATE, North American Technician Excellence Inc., is an independent, third-party non-profit certification body for HVAC and HVAC/R technicians.  NATE tests technicians; others train.