Licensed hvac contractors in Cary, Illinois

V.M. O'Leary Sheet Metal & Heating is a reputable general contractor located at 820 Three Oaks Road in Cary, Illinois. Specializing in furnace service, heating repair, and furnace replacement, our family-owned company has been serving McHenry County, Lake County, and Northwest Cook County since 1946. Our licensed, bonded, and insured technicians are committed to providing top-quality service and personalized attention to each job. As a Bryant Factory Authorized Dealer, V.M. O'Leary Sheet Metal & Heating offers expert installation, maintenance, and repair of heating and cooling systems for residential and commercial properties. We strive to create a comfortable, energy-efficient indoor climate for our customers in Algonquin, Carpentersville, Crystal Lake, Huntley, Lake In the Hills, and McHenry, IL.