Since purchasing mechanical service company DVY in 1999, Burns has positioned itself as a leader in mechanical service in Philadelphia, southern New Jersey, and Delaware regions. Our clients benefit from our strong engineering and technical capabilities in such areas as building automation systems (BAS) and automatic temperature controls (ATC). Our extensive offerings include preventative maintenance, retro-commissioning services, time and material work, quoted maintenance and repair, emergency service work, replacement work, boiler service, and chiller service.