Windsor Commercial Rooftop HVAC Systems Bryant Heating & Cooling Service Experts in Windsor gives you choice in commercial rooftop HVAC products and services. For example, 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. Our industry-leading technology combined with our expert installation and services means you’ll receive reliable, sustainable systems designed to bring superior comfort and indoor air quality (IAQ) in your commercial offices. Further, three of our four rooftop systems – Energence, Strategos® and Landmark® - are ENERGY STAR® qualified, which will help reduce your energy expenses, meaning you’ll have a lower total cost of ownership. Call 226-773-3357 to learn more.