Hillsborough Commercial Rooftop HVAC Systems Fras-Air/General Service Experts Heating & Air Conditioning in Hillsborough lets you choose from multiple commercial rooftop HVAC products and services. For example, Lennox® packaged rooftop commercial HVAC systems are among the most innovative products being sold 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 reliable, sustainable systems created to bring 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, meaning you’ll have a lower total cost of ownership. Call 908-448-2154 to learn more.