Controls Service & Engineering Co., Inc. (CSE) provides industrial & commercial HVAC service, repair and installation to busi ... nesses and organizations throughout Central PA, including the greater Harrisburg, York, Chambersburg and Mifflintown areas. At CSE, our customers can count on us to deliver high quality HVAC solutions and exceptional personal service, while minimizing long-term operating costs. As a trusted partner, we serve our customers with honesty and integrity, we keep our promises, and we strive for excellence in all we do. Put simply, our customers are Priority #1. Since 1973, CSE has been helping businesses of all sizes save money on their building operating costs. Servicing more than 1500 buildings and hundreds of communications towers throughout Pennsylvania, we have extensive knowledge and experience in advanced maintenance and energy-reduction techniques. Let us put that expertise to work for your building’s heating and cooling systems. read more