Building Systems & Services, Inc. (BSS) is a leading provider of commercial and industrial HVAC equipment, service and building automation systems. From our offices in Wilmington, Delaware, we serve customers throughout the tri-state area. We represent some of the industry’s leading equipment manufacturers whose standards for quality match ours. BSS was formed in 1986. Our business objective is to meet the HVAC equipment, service and building automation needs of our customers by combining these individual elements into a coordinated offering.