The George W. Armstrong Library will reopen Tuesday after being closed Saturday and Monday after the building’s air conditioning unit failed Friday afternoon.

Library director Susan Cassagne said the already crippled cooling unit quit working Friday afternoon and was unable to be easily repaired that day.

The library was closed Saturday and will remain closed today.

For approximately a year, Cassagne said, the unit has been running at half capacity with just one compressor working.

Cassagne said an air conditioning repair company is scheduled to look at the unit later today, and if the repair can be completed in one day, the library should be able to open Tuesday.

“We are being optimistic right now that they will get it fixed today,” Cassagne said. “I can’t subject my staff to that heat. It is cooler outside than inside the building.”