Jacksonville Commercial Rooftop HVAC Systems Air Engineers Service Experts Heating & Air Conditioning in Jacksonville gives you choice in commercial rooftop HVAC products and services. For instance, Lennox® packaged rooftop commercial HVAC systems are among 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 deliver exceptional comfort and indoor air quality (IAQ) in your commercial offices. In addition, three of our four systems – Energence, Strategos® and Landmark® - are certified by ENERGY STAR®, which will help decrease your energy expenses, meaning you’ll have a lower total cost of ownership. Call 904-450-5672 to learn more.