Provo Commercial Rooftop HVAC Systems Service Experts Heating & Air Conditioning in Provo has a variety of commercial rooftop HVAC products and services. For example, 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. By combining industry-leading technology and efficiency with our expert services, you will receive dependable, sustainable systems designed to provide outstanding comfort and indoor air quality (IAQ) in your commercial buildings. Further, three of our four units – Energence, Strategos® and Landmark® - are certified by ENERGY STAR®, which will help reduce your energy expenses, leading to a lower total cost of ownership. Call 801-396-0637 to learn more.