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A Good Housekeeping report says storing sheet pans and other cookware in an oven can interfere with heat circulation when the appliance is on, potentially contributing to uneven cooking and longer cooking times. Appliance expert Jade Golding-Gault also warns of added strain, cookware damage and the risk of forgetting non-oven-safe items. The report recommends keeping the oven clear and checking that any reusable liner is compatible with the appliance.
Good Housekeeping has reported that keeping sheet pans and other cookware in an oven can affect how it cooks when switched on, citing Jade Golding-Gault, an appliance expert at AO.com. The practical concern is that stored items can interrupt airflow or absorb heat, while an item forgotten inside may be damaged or create a hazard if it is not suitable for oven temperatures.
Golding-Gault told Good Housekeeping that trays and pans left inside during cooking can restrict airflow, making heat circulate less efficiently. The effect depends on the item’s size and position and the selected oven setting. In a fan-assisted oven, a large pan on the floor may obstruct circulating air; with conventional heat, a tray on the lowest shelf may absorb heat coming from below. The report says these conditions can contribute to uneven cooking and make an oven work harder.
The report also describes possible costs and wear. If cooking takes longer, the oven uses energy for a longer period. Good Housekeeping cites Go Compare’s estimate that a 2,000-watt electric oven costs 53 pence per hour while in use, or £192.36 per year. It gives an example in which an additional 10 minutes of oven use per hour would add about £30 to an annual bill. That is an illustrative estimate, not a universal saving: actual costs depend on usage, energy rates and whether stored cookware changes cooking time.
Repeated heating may also affect cookware and appliance parts, Golding-Gault said. Trays not designed for prolonged high temperatures may discolor or degrade. In fan-assisted models, she said, longer operation can place added demand on the heating elements and fan system. The report cautions that forgetting items is another risk: cookware with plastic or rubber handles, packaging and other non-oven-safe objects may melt or become damaged, and some cases may involve a fire risk.
How Stored Pans Affect Cooking
The advice matters most when an oven is used regularly or householders are relying on it to cook food evenly. A tray stored on the oven floor may change how heat moves through the cavity, while an item on a rack may absorb heat or obstruct airflow. The report does not quantify how often this happens or how much cooking times change, so the scale of any effect in a particular kitchen is uncertain.
There is also a straightforward safety benefit to checking the oven before turning it on. An oven-safe metal pan may tolerate heat, but a kitchen item with plastic parts or food packaging may not. Keeping the cavity clear can make it easier to spot objects before heating begins and avoids repeatedly subjecting stored cookware to temperatures it may not be designed to handle.
Why the Oven Becomes Storage
The report describes oven storage as a response to tight kitchen space: the cavity can look like a convenient place for trays when the appliance is not being used. It notes that some people also put a spare tray on the oven floor to catch spills. Golding-Gault advises against leaving trays there during use, because their position may affect airflow or heat distribution.
As an alternative for drips, the report points to a reusable oven liner designed for that purpose. It advises checking compatibility with the oven maker’s instructions, following the liner brand’s replacement guidance and replacing a liner if it warps or becomes damaged. The source says many liners last around six months, but lifespan varies by product; readers should follow the specific manufacturer’s guidance.
““If items, such as baking trays or pans, are left inside the oven when it’s in use, they can restrict airflow and prevent heat from circulating as efficiently around the space.””
— Jade Golding-Gault, AO.com appliance expert, quoted by Good Housekeeping
Costs and Risks Vary by Oven
The report does not provide test results showing how much a stored pan changes cooking performance, energy use or appliance lifespan. Its energy-cost example is based on a stated oven rating and an assumed extra 10 minutes of use per hour; it does not establish that every oven will take that much longer or add the same amount to a bill.
Actual effects depend on oven design, settings, cookware placement and the item’s materials. The source also does not identify a single liner that fits every appliance or give a universal replacement interval. Owners should check their oven manual and the liner maker’s instructions.
Check the Oven Before Heating
The report’s practical recommendation is to give trays and pans a permanent storage place outside the oven, then check that the cavity is empty before switching it on. Anyone using a liner should confirm it is approved for their oven and replace it if it shows warping or damage. The supplied source does not announce a product change, new rule or follow-up investigation; it presents household advice based on an appliance expert’s comments.
Key Questions
Can sheet pans damage an oven if stored inside?
The report says cookware left inside during use may obstruct airflow or absorb heat, which can affect cooking. It also says prolonged or repeated heating may add demand to some components. It does not establish that a pan will damage every oven.
Is it safe to leave an oven empty except for a pan?
The concern is that a pan’s position may affect heat circulation, and that it could be forgotten when the oven is turned on. Items with plastic or rubber handles may be damaged by heat. Check the oven manual for guidance on using racks and accessories.
What can catch drips on the oven floor?
Good Housekeeping’s report suggests a reusable oven liner made for that use. Check that the liner is compatible with the specific oven, follow its manufacturer’s placement and cleaning instructions, and replace it if warped or damaged.
Does storing a tray in the oven always raise energy bills?
No specific increase is established for every oven. The report says an item may make cooking less efficient and gives a cost example based on an extra 10 minutes of use per hour. Actual energy use and cost depend on the appliance, cooking habits and energy rates.
Source: rss
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