Your oven is one of the most-used appliances in your kitchen—whether you're baking a cake, roasting vegetables, or preparing a quick frozen meal. But if your food is coming out overcooked, undercooked, or unevenly heated, your oven thermostat may be to blame.
At Matrix HVAC & Appliances, we specialize in helping homeowners identify and fix appliance problems quickly and efficiently. In this blog, we’ll explore how to know whether your oven thermostat needs calibration or full replacement, along with tips to diagnose the issue and get your appliance working like new.
The oven thermostat regulates the temperature inside your oven. It communicates with the heating elements to maintain the temperature you’ve selected. For example, if you set the oven to 180°C, the thermostat ensures that the heat is consistent and cycles on and off to stay stable.
When the thermostat malfunctions or becomes inaccurate, it can affect your cooking results. Sometimes, this issue can be fixed by calibration. Other times, replacement is the only solution.
If your recipes always come out too dry, burnt, or underdone—even when you follow cooking times precisely—your oven’s actual temperature may not match what you set. This inconsistency is a strong indication of an inaccurate thermostat.
Does your food cook more on one side than the other? Uneven heating may be due to a faulty thermostat, especially if your oven is clean and the fan works properly.
If your oven takes a long time to reach the desired temperature, the thermostat may not be signaling the heating element correctly.
Use an oven-safe thermometer to check the actual temperature. If you set it to 200°C but it reaches only 170°C or shoots up to 230°C, the thermostat may be inaccurate.
If your oven heats up but then drops significantly during cooking, the thermostat may be failing to regulate temperature consistently.
Calibration adjusts the thermostat so its readings align with the actual oven temperature. Most thermostats can be fine-tuned within ±20°C.
Replacement means removing the faulty thermostat and installing a new one. This is necessary if the thermostat can’t be corrected or has stopped functioning.
Calibration is a good option if:
Many ovens have a calibration feature accessible via the control panel or a screw behind the temperature knob. Check your user manual or contact Matrix HVAC & Appliances to calibrate it professionally and safely.
Choose replacement if:
In these cases, replacing the thermostat is your best bet. The part is affordable, and with professional installation, your oven will perform like new.
At Matrix HVAC & Appliances, we offer quick and expert diagnosis for all major oven brands including Bosch, LG, Whirlpool, Samsung, IFB, and more. Whether your thermostat needs calibration or replacement, we provide reliable and lasting solutions.
Here’s what to expect when you call us:
A faulty oven thermostat can ruin meals, waste energy, and cause frustration. If your oven isn’t heating properly, don’t guess—let our certified technicians at Matrix HVAC & Appliances inspect and repair it quickly and effectively.
