Dallas Commercial Rooftop HVAC Systems Levy & Son in Dallas lets you choose from multiple commercial rooftop HVAC products and services. For example, Lennox® packaged rooftop commercial HVAC systems are top the list of the most innovative products you can find 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 provide exceptional comfort and indoor air quality (IAQ) in your commercial spaces. Further, three of our four units – Energence, Strategos® and Landmark® - are ENERGY STAR® qualified, which will help decrease your energy expenses, meaning you’ll have a lower total cost of ownership. Call 469-250-0932 to learn more.