Niagara Falls Commercial Rooftop HVAC Systems Service Experts Heating & Air Conditioning in Niagara Falls 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 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 long-lasting, sustainable systems created to provide exceptional comfort and indoor air quality (IAQ) in your commercial buildings. In addition, three of our four rooftop systems – Energence, Strategos® and Landmark® - are certified by ENERGY STAR®, which will help lower your energy expenses, translating to a lower total cost of ownership. Call 289-273-2229 to learn more.