How does the Sleep mode work on the FFRE053WAE?
The Sleep feature increases the selected temperature by 2°F every 60 minutes for up to 7 hours, then returns to the original temperature. This program can be cancelled at any time or reset after cleaning the air filter. (Page 2)
From the official Frigidaire FFRE053WAE Window-Mounted Room Air Conditioner manual, page 2
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