Mid-Ohio's service technicians are trained to service: Boilers, Heat Pumps, Rooftop HVAC Equipment, Energy Management Systems, Chillers, Electric, Electronic and Pneumatic Control Systems, Refrigeration Systems, VAV Systems Factory trained and authorized to service Liebert Environmental Equipment - Gordon Piatt burners for various boiler manufacturers - We start up and service all manufactures equipment - Certified for Refrigerant Handling and Recovery - Specialize in preventative maintenance programs. Boiler Repair