Restaurants, bakeries and cafés lean on their convection ovens for everything from sheet-pan vegetables to the morning pastry case. When one bakes unevenly, the whole batch goes in the bin. Best Pro repairs gas and electric commercial convection ovens — full-size and half-size, single and double stack.
Start with the fan
A convection oven is built around its blower. If the motor fails, or the fan wheel slips on its shaft, heat stops circulating and one corner burns while another stays pale. On many models the safety circuit won’t even let the burner or elements come on without the fan. The door switch also matters: it stops the fan and the heat when the door opens, and when it wears out, the oven can stay cold after the door closes.
No heat, slow heat
- Gas: igniter or pilot, a dirty flame sensor, the gas valve, or the combustion blower.
- Electric: elements, and above all contactors. They switch heavy current all day, and pitted contacts are a classic reason an electric convection oven heats slowly or not at all.
- Either: a thermostat that has drifted out of calibration, or a high-limit that has tripped.
One side paler than the other?
Check the doors first. Many convection ovens have two doors tied together by a chain or linkage. When the chain stretches or a hinge wears, one door hangs slightly open and heat leaks out on that side. Worn door gaskets do the same.
Early-morning bakeries
Bakeries and cafés load their ovens before dawn. An oven that won’t come up to temperature at 5 AM can wipe out the morning case. If yours has been slow to preheat or cycling oddly, call during business hours before it quits on a bake day.
How we work
The technician tests the fan, the heating system, the door switches and the thermostat calibration, finds the cause and prices the repair before starting. Repairs carry a 90-day warranty on parts and labor.
For the rest of your line, see pizza oven repair and commercial cooktop repair.
What it costs
- Service call and diagnostic
- $120 — free if you go ahead with the repair
After the diagnostic you get a flat price for the whole repair, and you decide before any work starts. Parts and labor carry a 90-day warranty. All prices
Common problems we fix
- Not heating
- Bakes unevenly
- Fan not running
- Temperature doesn’t match the dial
- Gas burner won’t light
- Stops heating when the door opens and doesn’t restart
- Doors not closing together
- Timer or controls not working
Thank you!
We got your request and will call you back shortly during business hours (7:00 AM – 9:00 PM).
In a hurry? Call us: (650) 582-0258