Commercial service on a York Rooftop system.
Performed maintenance on one Slant Fin condensing gas boiler in Williston
Replaced fuse on one York furnace in Williston Park
Performing seasonal maintenance on Daikin ductless and Daikin central air systems in East Williston
Performing heating maintenance on slantfin boiler in east Williston
Found a Freon leak in the unico system
Performed a nitrogen leak test on a York system in the town of. East Williston
