). Proven experience in HVAC installation and service. Knowledge of electrical systems, refrigeration cycles, and control.... Vocational training or an apprenticeship in HVAC. Relevant certifications (e. g. , EPA certification for refrigerant handling...
). Proven experience in HVAC installation and service. Knowledge of electrical systems, refrigeration cycles, and control.... Vocational training or an apprenticeship in HVAC. Relevant certifications (e.g., EPA certification for refrigerant handling...