Jackson Commercial Rooftop HVAC Systems Comfortech Service Experts Heating & Air Conditioning in Jackson lets you choose from multiple commercial rooftop HVAC products and services. Lennox® packaged rooftop commercial HVAC systems are top the list of the most innovative products being sold today, including the new solar powered SunSource® System for Energence® rooftop HVAC systems. By combining industry-leading technology and efficiency with our expert services, you will receive reliable, sustainable systems created to deliver outstanding comfort and indoor air quality (IAQ) in your commercial offices. In addition, three of our four systems – Energence, Strategos® and Landmark® - are ENERGY STAR® certified, which will help lower your energy expenses, meaning you’ll have a lower total cost of ownership. Call 601-852-3105 to learn more.