Austin Independent School District was introduced to the closed loop concept in 1985 during or after the time that Goodnight Junior High School in San Marcos geothermal heat pump system was installed. The first project was a joint effort of an equipment manufacturer, a pipe extruder, a distributor, an HVAC contractor and the school district. This was a trial for this new system. The two leading factors which contributed to the decision to go geothermal, were that the tower on the building was already at capacity and a reduced price was offered on the first installation. The school district owns every type, make, model, configuration, style and paint color of heating and cooling equipment made. They were ready for anything that would give them relief