HOME SETUP TIMER
How long does a Whirlpool refrigerator take to reach operating temperature?
Quick answer
Use 8 hours–12 hours as the starting point.
After startup
Start a reminder timer
8 hours
Timer has not started.
When it rings: Verify 37°F or below in the fresh-food section and 0°F or below in the freezer.
What the source actually says
Whirlpool says typical units take about eight to 12 hours to reach operating temperature.
Wait for measured temperature before loading a full grocery order.
Source
Read the manufacturer guidance. Model instructions override this general page.