23475 Rock Haven Way, #135  Sterling, VA 20166 W.H. Farley Services Coordinator Office Phone: 703.661.4280 Cell Phone: 571.233.4488 Office Fax: 703.661.4282   www.advanced-building.com   Advanced Building Services, Inc. is a commercial HVAC contractor specializing in building maintenance engineering in the Washington metropolitan area. Our valuable preventive maintenance and customized service contracts will suit large or small facilities needs with daily, weekly, quarterly, or semi-annual agreements.  Back to HVAC