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S&R Heating & Cooling is a full mechanical contractor providing installation, repair, and maintenance services for residential, commercial, and industrial customers in McHenry, Lake, and Cook Counties in Illinois, and Northern Wisconsin area since 1992. Our team of factory-trained technicians offers a wide range of services, including HVAC installations, system design, preventative maintenance, air quality testing, and more. We specialize in heating and air conditioning solutions, refrigeration, boilers, water heaters, and duct cleaning. Our goal is to keep you comfortable year-round and ensure your systems are working to their maximum potential.