If your oven is on fire, keep the door closed and turn off the heat. These two actions starve the fire of oxygen and its heat source, and in most cases the fire will burn itself out within minutes. Do not open the oven door, even to check on it. Opening the door feeds fresh oxygen to the flames and can cause the fire to flare outward toward you.
Step-by-Step Response
The National Fire Protection Association recommends a simple protocol for oven fires: turn off the heat and keep the door closed. Here’s how to think through the full sequence:
- Leave the door shut. Your instinct will be to open it. Resist that. The enclosed oven space limits the fire’s oxygen supply.
- Turn off the oven. Use the control knob or panel to cut the heat. For a gas oven, this stops fuel from flowing to the burner.
- Get everyone out if the fire grows. If flames are visible outside the oven, or if the fire doesn’t die down within a couple of minutes, evacuate and call 911. Make sure you always have a clear path to an exit before attempting to manage any fire yourself.
- Wait for it to cool completely. Even after the flames appear to be out, don’t open the door right away. Grease fires can reignite when they get a fresh burst of air. Give the oven at least 30 minutes to cool before you open it.
Gas Ovens Need an Extra Step
If you have a gas oven, turning the control knob to “off” should stop gas flow to the burner. But if the fire is significant or you smell gas strongly, locate the gas shutoff valve and turn it off manually. Building codes require this valve to be within 6 feet of the appliance. For freestanding ranges, it’s usually behind or beneath the unit. For wall ovens, check the cabinet directly below or beside the oven.
The valve is a small rectangular handle on the gas line. When gas is flowing, the handle sits parallel to the pipe. Turn it a quarter turn so it’s perpendicular to the pipe, and the gas stops. If the handle is stiff, a pair of pliers will do the job.
One critical warning: if you smell gas strongly throughout the room or house, don’t flip light switches, turn on vent fans, or unplug anything. Electrical arcing from a switch can ignite gas that’s dense in the air. Leave the house and call 911 from outside.
Fires During Self-Cleaning Cycles
Self-cleaning cycles heat the oven to roughly 900 degrees Fahrenheit to incinerate food residue. At those temperatures, built-up grease or large food particles can ignite. The oven door locks automatically during self-cleaning and won’t unlock until the cycle finishes and the interior cools, so you won’t be able to open it even if you try.
If you see flames during a self-cleaning cycle, do not attempt to force the door open. The locked door is actually working in your favor by containing the fire. Turn off the oven to end the cycle. If the fire doesn’t subside, get out of the house and call 911. To reduce the risk in the future, wipe out large spills and grease buildup before running the self-cleaning feature.
What Never to Use on a Grease Fire
Most oven fires involve grease, and grease fires react dangerously to certain substances. Water is the biggest hazard. Pouring water on burning grease causes an explosive reaction: the water instantly vaporizes, sending burning oil particles into the air and creating a fireball. Milk and other water-based liquids do the same thing.
Flour is another common mistake. It looks like baking soda, but flour is combustible. A handful of flour thrown at a flame can ignite in midair. Baking soda does work on very small grease fires because it releases carbon dioxide when heated, but you’d need a large amount, and for an oven fire, keeping the door closed is far more effective and safer than trying to throw anything inside.
Choosing the Right Fire Extinguisher
Every kitchen should have a fire extinguisher, but not all extinguishers handle grease fires equally. An ABC multipurpose extinguisher covers ordinary combustibles, flammable liquids, and electrical fires. It will knock down a kitchen fire in the moment. However, a Class K extinguisher is specifically designed for cooking grease fires. Its wet chemical agent creates a barrier over the grease that prevents reignition, something ABC extinguishers don’t do as effectively.
For most home kitchens, an ABC extinguisher is practical and widely available. If you cook frequently with oil or deep-fry, a Class K extinguisher is worth the added investment. Either way, mount it somewhere you can reach quickly, not above the stove where a fire would block access to it.
After the Fire: Cleanup and Inspection
Once the oven has cooled completely, open the door and assess the damage. A small fire that burned out on its own typically leaves behind charred food residue and greasy soot. Remove any large debris first, then clean the interior with a non-abrasive oven cleaner. Ventilate the kitchen well while you clean, and wipe all surfaces several times with a damp cloth to remove chemical residue. Avoid letting any cleaning product drip into burner openings or electrical components at the bottom of the oven, as this can cause damage or create a new hazard.
If you used a fire extinguisher, the powder residue needs thorough removal before you use the oven again. Extinguisher chemicals are corrosive over time and can contaminate food if left on cooking surfaces.
Deciding Whether the Oven Is Safe to Reuse
A minor fire that lasted under a minute and left only surface soot is usually not a reason to replace the oven. Check for melted wiring, warped racks, cracked glass on the door, and any discoloration or bubbling of the interior enamel. If everything looks structurally intact, run the oven empty at a moderate temperature for 15 to 20 minutes with the kitchen well ventilated. This burns off residual odors.
For more serious fires, the National Electrical Manufacturers Association advises contacting the oven’s manufacturer before attempting to use or recondition the appliance. Heat and fire residue can cause hidden damage to wiring, insulation, and control electronics. Chemical or structural damage isn’t always visible. In many cases involving significant fire exposure, equipment replacement is necessary. Attempting to recondition an oven without the manufacturer’s guidance can introduce new hazards, including damage from improper cleaning agents that degrade internal components.
Preventing Oven Fires
Most oven fires start with grease or food residue that’s been building up over time. Cleaning spills promptly, especially oily ones on the oven floor, is the simplest prevention. Use a baking sheet or foil-lined tray under dishes that might bubble over, like casseroles or pies. Keep an eye on anything you’re broiling, since the high direct heat can ignite fats quickly.
Avoid leaving the kitchen when the oven is set to broil or when you’re cooking at temperatures above 400 degrees. And if you notice smoke coming from the oven before flames appear, that’s your window to turn off the heat and prevent a fire from starting at all.