Our Certifications at Quality Refrigeration Services Our team at Quality Refrigeration Services in Baltimore works hard to have the best heating and cooling service around. The primary way we sustain our expertise and continue to expand our knowledge of HVAC products is by earning industry certifications. Find out more about the certifications our experts have received below. North American Technician Excellence (NATE) NATE is North America’s largest non-profit heating, ventilation, air conditioning and refrigeration certification organization. NATE certified technicians provide outstanding installation and maintenance on your heating and cooling systems. These technicians have proven their knowledge in the HVAC specialty areas including: 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™ Dave Lennox Premier Dealers™ are specially trained and independently evaluated regularly to offer a higher level of customer service. As a Dave Lennox Premier Dealer™, our team in Baltimore has partnered with Lennox®, a top name in home comfort, to carry some of the most innovative and energy efficient heating and cooling products in the industry. To keep “Premier” status, Quality Refrigeration Services participates in an independent Customer Review program that encourages our clients to honestly rate our performance so we can make sure our staff continuously is meeting or exceeding the highest standards for quality service. SunSource® Solar-Ready Dealer Designation As a Lennox SunSource Solar-Ready Dealer, Quality Refrigeration Services has received North-Central Maryland certification requirements for residential solar installations. We’ve completed training, and we’re knowledgeable not only about the solar-ready Lennox® products we offer in North-Central Maryland, but also local utility requirements, rebates and incentives. We can help make your SunSource Home Energy System installation process smooth and simple.