Guardian Heating & Cooling Service

Guardian Heating & Cooling has proudly served Chicago, the North Shore, and surrounding northern Chicago communities since 1953. We provide residential and commercial HVAC services, including air conditioning repair and installation, furnace repair and installation, boiler service, duct cleaning and repair, water heater and tankless water heater services, and indoor air quality solutions such as humidifiers and dehumidifiers. Our experienced HVAC technicians service all makes and models and provide clear, professional recommendations to help homeowners and businesses choose the right comfort solution for their needs.