Classification Information
air conditioning installations; air conditioning apparatus; HVAC units; HVAC systems comprised of air conditioning apparatus and accompanying hardware, namely, heat exchangers, dehumidifiers, and ventilation apparatus and instruments, and downloadable or installed software for improving energy use and efficiency; air conditioning apparatus using liquid desiccant for dehumidification
Environmental Control Apparatusair conditioning contractor services; HVAC contractor services; installation, maintenance and repair of HVAC systems and equipment
Building Construction and Repair