The husband of ain their house where the temperature was 100 degrees has now also died.
This marks the third heat-related death in Lehigh County this week.
Joseph Kuzmak, 90, of the 2200 Apple Road was pronounced dead at 4:35 p.m. Wednesday at Lehigh Valley Hospital in Salisbury Township, according to Lehigh County Coroner Scott Grim.
Kuzmak's wife, Lillian, was found dead Monday in their home, which has an air conditioner that was turned off.
Joseph Kuzmak was taken to the hospital Monday. Both deaths have been ruled accidents.
An 86-year-old on Saturday.