Leahy Heating & Cooling is a full-service residential and light commercial heating and air contractor. We are specialists with the latest technology in HVAC systems. We have provided superior service, sales, and installation to clients in Chicago, IL, and its suburbs since 1931. As a family-owned and operated company for over 85 years, we pride ourselves on customer satisfaction by building an honest and dependable reputation. We can help with all types of water heaters, whole-house humidifiers, rooftop units, thermostats, and air purifiers. Our highly trained contractors provide quality workmanship at reasonable rates. We value our customers that is why we guarantee satisfaction with every job that we do. For your convenience, financing is available. Call Leahy Heating & Cooling Corp today to schedule your free estimate!