Our Certifications at Stieferman Heating Company Inc We’re committed to providing the Jefferson City community with the most responsive heating and cooling service possible. To help us do this, we’ve gone through rigorous training to receive the industry certifications you see below. Learn more about our certifications here and give us a buzz at 573-203-3908 to speak with a team member. North American Technician Excellence (NATE) NATE is North America’s largest and most prestigious certification in our industry. NATE certified technicians have mastered the installation, service and maintenance practice of heating and cooling systems and can receive further recognition in these areas of specialty: Air conditioning Air distribution Heat pumps Gas heating Oil heating Hydronics gas Hydronics oil Ground source heat pump loop installer Senior HVAC Efficiency Analyst Dave Lennox Premier Dealer™ To receive status as a Dave Lennox Premier Dealer™, Stieferman Heating Company Inc in Jefferson City was trained and is regularly independently evaluated to ensure we offer an unmatched level of customer service. We’ve partnered with Lennox®, a leading company in home comfort, to carry some of the best heating and cooling products in the industry. We sustain our Dave Lennox Premier Dealer™ status by participating in an independent Customer Review program. The program asks customers to provide honest feedback and rate the quality of our service, which keeps us accountable for offering high quality work and customer service at all times.