Business and Organization

6 Months Ended

Jun. 30, 2011

Business and Organization

Business and Organization

1. Business and Organization

        Comfort Systems USA, Inc., a Delaware corporation, provides comprehensive heating, ventilation and air conditioning ("HVAC") installation, maintenance, repair and replacement services within the mechanical services industry. We operate primarily in the commercial, industrial and institutional HVAC markets and perform most of our services within office buildings, retail centers, apartment complexes, manufacturing plants and healthcare, education and government facilities. In addition to standard HVAC services, we provide specialized applications such as building automation control systems, fire protection, process cooling, electronic monitoring and process piping. Certain locations also perform related activities such as electrical service and plumbing. Approximately 44% of our consolidated 2011 revenues are attributable to installation of systems in newly constructed facilities, with the remaining 56% attributable to maintenance, repair and replacement services. The following service activities account for our consolidated 2011 revenues: HVAC 74%, plumbing 16%, building automation control systems 4% and other 6%. These service activities are within the mechanical services industry which is the single industry segment we serve.