Long Preheat Times - Electric Range

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Possible Solutions

How long does it take the oven to preheat?

Preheat times depend on the element type, oven size, and desired temperature. Ovens with a visible heating element with all racks in will preheat to 350°F in 12-15 minutes (+/-) 5 minutes. Ovens with a hidden bake element will preheat to 350°F for 20 minutes (+/-) 5 minutes. If the desired temperature is higher than 350°F, the preheat time will be increased.

Remove any racks not being used for oven operation. Unused racks left in the oven will add to the preheat time.

Did you open the oven door during preheat?

Opening the oven door allows heat to escape and the oven to cool. Repeatedly opening the door may cause temperature variances that extend preheat times. Avoid leaving the door open for an extended period of time.

Was an entire oven rack or oven bottom lined with aluminum foil?

Do not cover an entire oven rack or the oven bottom with aluminum foil below the baking pan. This can block good airflow.

Is your range/wall oven installed on 208V instead of 240V?

A range or oven installed at a lower voltage, 208V, will take longer to preheat than one installed at 240V. If you live in a building that has an elevator, the oven is installed on 208V, and it will take longer for the oven to preheat.