Kingston Commercial Rooftop HVAC Systems Service Experts Heating & Air Conditioning in Kingston has a variety of commercial rooftop HVAC products and services. For example, Lennox® packaged rooftop commercial HVAC systems are are some of the most innovative products you can find today, including the new solar powered SunSource® System for Energence® rooftop HVAC systems. Bringing industry-leading technology and efficiency with expert installation and service means you receive dependable, sustainable systems built to bring exceptional comfort and indoor air quality (IAQ) in your commercial offices. In addition, three of our four rooftop systems – Energence, Strategos® and Landmark® - are ENERGY STAR® certified, which will help reduce your energy expenses, leading to a lower total cost of ownership. Call 613-817-1591 to learn more.