Our Certifications at Total Comfort Solutions Our team at Total Comfort Solutions in Kennesaw works hard to offer the best heating and cooling service around. The primary way we sustain our expertise and continue to expand our knowledge of HVAC products is by earning industry certifications. Discover more about the certifications our technicians 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 perform outstanding 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 Better Business Bureau Total Comfort Solutions is a member of the Better Business Bureau. That means we operate by ethical business behaviors and give trustworthy information to our customers. We have a strong rating and are proud to be part of this organization.