Our Certifications at Northern Comfort Inc We’re dedicated to providing the Mankato area community with the best heating and cooling service around. To ensure our expertise, we’ve completed rigorous training to receive the industry certifications you see below. Find out more about our certifications here and give us a shout at 507-307-4818 to speak directly with our representatives. North American Technician Excellence (NATE) NATE is North America’s largest and most respected certification in the HVAC industry. NATE certified technicians have mastered the installation, service and maintenance procedures of heating and cooling systems and can receive further recognition in the following 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 become a Dave Lennox Premier Dealer™, Northern Comfort Inc in Mankato area was trained and is routinely independently evaluated to ensure we offer an unmatched level of customer service. We’ve partnered with Lennox®, a leading name in home comfort, to carry some of the best HVAC 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 doing high quality work and customer service at all times. Better Business Bureau Northern Comfort Inc is a member of the Better Business Bureau, meaning we adhere to ethical business practices and share honest information with our customers. We have a solid rating and are proud to be part of this organization.