Our Certifications Our team at Strine's Heating & A/C Inc in York works hard to have the finest heating and cooling service around. One of the ways we maintain 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 superior installation and maintenance on your heating and cooling systems. These technicians have verified 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 on an ongoing basis to offer a higher level of customer service. As a Dave Lennox Premier Dealer™, our team in York 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, Strine's Heating & A/C Inc 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. Better Business Bureau Strine's Heating & A/C Inc 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.