Edmonton Commercial Rooftop HVAC Systems Rob's Albertan Service Experts Heating & Air Conditioning in Edmonton has a variety of commercial rooftop HVAC products and services. 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. Our industry-leading technology combined with our expert installation and services means you’ll receive long-lasting, 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 reduce your energy expenses, meaning you’ll have a lower total cost of ownership. Call 780-800-9047 to learn more.