Dependable Building Services has been servicing the HVAC needs Chicagoland for over 20 years with a focus on HVAC construction, industrial and commercial heating and air and boilers. We provide commercial hvac and construction throughout Illinois, into Northwest Indiana and Southern Wisconsin. We perform work on all types of equipment: rooftops, boilers, computer room units, and chillers to name a few. We also work with all manufacturers including Carrier, Trane, Liebert, and York. Whether you need preventative maintenance or your unit is not working DBS will help. You can feel incident in choosing DBS. We are small enough to give every client the special attention they deserve, yet large enough (18 technicians) to handle all of your needs.