Hornung, Karl S

CONVECTEK

Air conditioning contractor services; Air duct cleaning services; Boiler cleaning and repair; Construction services, namely, installation of environmental containment systems; Furnace installation and repair; Heating contractor services; Heating equipment installation and repair; Home energy assessment services for the purpose of determining home improvements needed to improve energy use and efficiency; Installation and repair of air conditioning apparatus; Installation and replacement service for heating, ventilating and air conditioning systems; Installation, repair and maintenance of heating equipment; Maintenance and repair of heating installations;