Home Guard Heating and Air is an HVAC company based in Wheeling, IL, serving Chicago's Northwest Suburbs since 2009. They specialize in residential and commercial heating and cooling repair, installation services, including furnace replacement and repair, boiler services, air conditioner repair and installation, duct installation, cleaning, and replacement. The company offers 24/7 customer support, emergency services, and uses Carrier and Bryant products. Home Guard Heating and Air prides itself on quick turnaround, friendly service, and offers free estimates with a 5-year warranty on labor and manufacturer parts.