There is a report of smoke in the residence at 7617 Mechanic St., South Byron.
A chief on scene reports smelling smoke and seeing faint smoke, but can't locate the source yet.
Byron and South Byron originally dispatched, but the South Byron engine has been told to respond non-emergency and Byron can stand down.
UPDATE 9:14 a.m.: Faulty hot water heater. All units back in service.
