Certifications at Oak Grove Heating & Air Conditioning We’re dedicated to providing the Hattiesburg community with the most responsive heating and cooling service possible. To help us do this, we’ve participated in rigorous training to receive the industry certifications you see below. Learn more about our certifications here and give us a call at 601-268-3486 to speak directly with our representatives. North American Technician Excellence (NATE) NATE is North America’s largest and most prominent certification in the HVAC industry. NATE certified technicians have shown superior skill in the installation, service and maintenance practice of heating and cooling systems and can gain 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™ To become a Dave Lennox Premier Dealer™, Oak Grove Heating & Air Conditioning in Hattiesburg was trained and is continually 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 keep our Dave Lennox Premier Dealer™ status by participating in an independent Customer Review program. The program encourages customers provide honest feedback and rate the quality of our service, which keeps us accountable for performing high quality work and customer service at all times. SunSource® Solar-Ready Dealer Designation Receiving SunSource Solar-Ready Dealer designation from Lennox means that we’ve completed training on solar-ready products, sales and tech. We’ve also become knowledgeable in Hattiesburg utility requirements for solar installations and rebates, and we’re familiar with local grid interconnectivity abilities. Finally, we’ve entered or completed solar training and certifications so we can lead you though a quick and stress-free purchase and installation process. Better Business Bureau Oak Grove Heating & Air Conditioning is a member of the Better Business Bureau, meaning we respect ethical business practices and communicate trustworthy information with our customers. We have a solid rating and are proud to be part of this organization.