STI Heating & Air Conditioning

STI Heating & Air Conditioning is a trusted HVAC provider located in Schererville, Indiana. The company offers expert heating, air conditioning, and geothermal repair and installation services to residential and commercial clients in the Northwest Indiana region. With over 25 years of experience, STI's licensed, bonded, and insured technicians provide reliable, responsive, and friendly service, including custom sheet metal fabrication and financing options.