We at Legit Heating and Air LLC hire N.A.T.E service professions to ensure the highest quality of service for our partners. N.A.T.E stands for North American Technicians of Excellence which is the nation’s largest nonprofit certification organization for heating, ventilation, air conditioning and refrigeration (HVACR) technicians. NATE tests represent real-world working knowledge of HVACR systems and validate the professional competency of service and installation technicians. Home and business owners choose HVACR contractors who employ NATE-certified technicians to get repairs done right – the first time.