Please contact Tisha Dougherty, for instructions on applying to this position. This is intermediate level mechanical work in the maintenance, repair, operation and installation of heating, ventilation, air conditioning and refrigeration systems and related utility components. Employees in this class gain experience and learn progressively more difficult and complicated maintenance and repair work necessary for the advancement to the full performance HVAC training, equivalent to the 12 school grade 2 years of experience in the maintenance and repair of HVAC systems Phila BST