Browns Building Services LLC Harrisburg, PA., is a HVAC/Mechanical, Plumbing, and Insulation Company. As our motto states, "HVAC is our Specialty". We perform renovations, installations and services on new and existing Construction Projects. We also convert Home heating furnaces. Sheet Metal/Mechanical Certified Contractor. Also Certified by the Pa. Department of General Services as a Minority Business Enterprise (MBE). BBS is also a Certified Small Disadvantaged Business Enterprise (DBE), Certified through the Pa. Unified Certification Program (PAUCP).