Our Certifications Our team at O'Brien Heating & Air Conditioning in the Main Line strives to have the best heating and cooling service around. One of the ways we sustain our expertise and continue to learn about HVAC products is by earning industry certifications. Learn more about the certifications our professionals 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 offer excellent 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 the Main Line has partnered with Lennox®, a top name in home comfort, to offer some of the most innovative and energy efficient heating and cooling products in the industry. To keep “Premier” status, O'Brien Heating & Air Conditioning takes part 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, O'Brien Heating & Air Conditioning has received the Main Line certification requirements for residential solar installations. We’ve gone through training, and we’re knowledgeable not only about the solar-ready Lennox® products we offer in the Main Line, but also the area utility requirements, rebates and incentives. We can help make your SunSource Home Energy System installation process quick and easy. Better Business Bureau O'Brien Heating & Air Conditioning is a member of the Better Business Bureau. That means we comply with ethical business behaviors and share trustworthy information with our customers. We have a good rating and are proud to be part of this organization.