London Commercial Rooftop HVAC Systems Roy Inch & Sons Service Experts Heating & Air Conditioning in London lets you choose from multiple commercial rooftop HVAC products and services. 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. Bringing industry-leading technology and efficiency with expert installation and service means you receive dependable, sustainable systems built to provide outstanding comfort and indoor air quality (IAQ) in your commercial spaces. In addition, 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 226-270-1164 to learn more.