ADDITIONAL CLASSROOM SPACE WILL ACCOMMODATE GROWING HVAC AND ENERGY DEMAND (MIDDLETOWN, Pa) — The PA Petroleum Association (PPA) announced today the completion of the most recent phase of the planned expansion of its training center in Middletown. The expansion brings the total floorplan to more than 4,000 square feet dedicated to HVAC and energy training … Continue reading PPA COMPLETES EXPANSION OF TRAINING FACILITY