Our Certifications at All Seasons Heating & A/C Co Our team at All Seasons Heating & A/C Co in Bloomington strives to offer the most comprehensive heating and cooling service around. One of the ways we keep our expertise and continue to learn about HVAC products is by earning industry certifications. Learn 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 offer excellent installation and maintenance on your heating and cooling systems. These technicians have demonstrated 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 SunSource® Solar-Ready Dealer Designation As a Lennox SunSource Solar-Ready Dealer, All Seasons Heating & A/C Co has achieved Monroe County certification requirements for residential solar installations. We’ve completed training, and we’re knowledgeable not only about the solar-ready Lennox® products we offer in Monroe County, but also the area utility requirements, rebates and incentives. We can help make your SunSource Home Energy System installation process smooth and stress-free. Better Business Bureau All Seasons Heating & A/C Co 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 solid rating and are proud to be part of this organization.