An agreement for scheduled service of HVAC systems in all three Hartley-Melvin-Sanborn buildings was approved by the school board on Jan. 16.

Superintendent Patrick Carlin described the one-year service agreement with Trane as "preventive/proactive maintenance."

"It's a proactive step. We have a lot of units and a lot of filters to maintain," he noted.

The agreement divides Trane's services into three scopes of service. The first calls for spring and fall service inspections of all 23 rooftop HVAC units, two condensing units, two Intellipak units, two energy recovery units and one mini spli...