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Education Resources

RSES Certified Trainers

Below is a listing of available RSES Certified Trainers and the topics each are qualified to teach.  

Ratib Baker, CMS, RCT

For topic information, please contact



Brynn C. Cooksey, CMS, RCT

Topics: Air conditioning and refrigeration troubleshooting; electricity for the HVACR technician; carbon monoxide testing; combustion analysis and fuel efficiency; section 608 EPA training; combustion control and burner servicing; and NATE exam preparation.

Andy Erbach, CMS, RCT

Topics: Energy fundamentals; solar heating and savings; and basic energy auditing and site surveys.




Roger Hensley, CMS, RCT

Topics: Duct system considerations.



Lawrence Jones, CM, RCT

Topics: NATE exam preparation; basic electricity; system controls; refrigeration troubleshooting fundamentals; chillers (centrifugal and recip); building automation controls; steam boilers; precision shaft to shaft alignment and facility site specific training.

Harlan "Skip" Krepcik, CMS, RCT

Topics: Psychrometrics.


Joe Marchese, CMS, RCT

Topics: Troubleshooting refrigeration systems; troubleshooting air conditioning systems; troubleshooting heating systems; troubleshooting electrical systems; computer room air conditioning; HVACR controls and control systems; heat gain calculations and equipment sizing for refrigeration systems; refrigeration for the HVAC technician; using the PH diagrams as a service tool; installing air conditioning systems; installing heating systems; installing refrigeration systems; maintaining HVAC systems; maintaining refrigeration systems; refrigeration defrost systems; measuring air flow in HVAC systems; head pressure management for refrigeration systems; the basic cycle refrigeration cycle; and customer service.

Arthur T. Miller, CMS, RCT

Topics:  Airflow and air distribution; schematic analysis (basic to advanced); troubleshooting gas furnaces, heat pumps, air conditioners, commercial refrigeration systems, supermarket refrigeration systems, oil furnaces; ACCA Manual MJ8; ACCA Manual D; NATE training; Pressure-Enthalpy Diagram (Ph); and practical psychrometrics.


Frank Morro, CM, RCT

Topics: OSHA Safety; CFC certification; basic refrigeration; basic heating and controls; basic cooling and controls; basic electricity; high pressure steam; advanced refrigeration; indoor air quality; and building automation systems and working in a critical systems environment.


Scott Redmond, RCT

Topics: Compressor burnouts; Danfoss TU stainless steel TX valves; TR6 universal TXV valves; KPU pressure and temperature controls; scroll compressors and basic refrigeration cycle.


Nick Reggi, CMS, RCT

For topic information, please contact



Ken Robinson, CMS, RCT

Topics: California Title 24; economizers; starting your own contracting business; duct systems; and airside diagnostics/determining equipment/system delivered btu's for residential and commercial systems.

Thomas J. Schaefer, CMS, RCT

Topics:  Natural gas piping; residential and commercial applications (2 Hours); meter usage for the electrically challenged (2-3 Hours); proper furnace and air conditioner installation (4 Hours); and schematic reading and electrical meter usage for beginners (7 Hours).


Steve M. Wellander, CM, RCT

  Air conditioning; medium-temperature refrigeration; low-temperature refrigeration; electrical; heat pumps; refrigeration piping design; computer-room troubleshooting; humidity control (humidifier operations/service); and associated refrigeration controls including low-ambient controls, TXV's, pressure controls, hot gas bypass and hot gas reheat.

Richard Wirtz, CMS, RCT

Topics: Controls; electrical theory; air conditioning; combustion principles and venting; refrigeration; soldering and brazing; heat pumps; air flow; fuel oil furnaces; psychrometrics; load calculation, Manual J 7th edition only; duct design; light commercial equipment; heating systems; carbon monoxide; humidification; principles of refrigeration; customer relations; NATE prep; and CM prep.

Steve Wright, Sr., CMS, RCT

Topics: Electronic expansion valves and management, specifically effective team building.




For more information on how to bring an RSES Certified Trainer to your location, please call RSES at 800/297-5660 or 847/297-6464, or e-mail

  • 1911 Rohlwing Road, Suite A
  • Rolling Meadows, IL
  • 60008-1397
  • Toll Free Phone: 800/297-5660
  • Phone: 847-297-6464

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