Our Certifications at B & G HVAC We’re passionate about providing the Marshalltown community with the most responsive heating and cooling service around. To ensure our expertise, we’ve participated in rigorous training to receive the industry certifications you see below. Discover more about our certifications here and give us a shout at 641-323-1210 to speak with a team member. North American Technician Excellence (NATE) NATE is North America’s largest and most prominent certification in the HVAC industry. NATE certified technicians have mastered the installation, service and maintenance procedures of heating and cooling products and can earn 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™ In order to become a Dave Lennox Premier Dealer™, B & G HVAC in Marshalltown was trained and is routinely independently evaluated to ensure we give an unmatched level of customer service. We’ve partnered with Lennox®, a top company in home comfort, to carry some of the best HVAC products in the industry. We keep our Dave Lennox Premier Dealer™ status by participating in an independent Customer Review program. The program encourages customers provide honest feedback and share their opinions on our service quality, keeping us accountable for performing high quality work and customer service at all times.