Canada Commercial Rooftop HVAC Systems Service Experts Heating & Air Conditioning in Canada gives you choice in commercial rooftop HVAC products and services. For instance, Lennox® packaged rooftop commercial HVAC systems are among the most innovative products on the market 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 created to provide superior comfort and indoor air quality (IAQ) in your commercial buildings. Additionally, three of our four systems – Energence, Strategos® and Landmark® - are ENERGY STAR® certified, which will help decrease your energy expenses, meaning you’ll have a lower total cost of ownership. Call 866-397-3787 to learn more.