How much does a refrigerator defrost timer / board replacement cost?#
Replacing the defrost timer / board on the machine runs $130–$260 ($195 is the usual figure). The defrost timer / board is what handles keeping the fresh-food and freezer compartments cold. When it fails, food going warm in the fresh-food section is usually the first clue, and on a refrigerator that is not a fault you can safely ignore for long. Where a given quote lands depends on the brand, the part quality, and how buried the component sits. On this job the part drives the price more than the bench time does. Against $600–$3,000 for a new refrigerator, that keeps a repair the cheaper move on a unit that is otherwise sound.
Refrigerator defrost timer / board replacement cost
- What it does: the defrost timer / board runs the automatic defrost cycle.
- Signs it is failing: frost buildup, poor cooling, or a stuck defrost.
- The repair job: testing the defrost circuit and fitting a new timer or board.
- DIY or pro: a moderate DIY job for a confident owner.
| What you pay for | Typical cost |
|---|---|
| Part plus basic labor | $130 |
| Typical repair | $195 |
| Premium part or hard access | $260 |
| A new refrigerator, installed | $600–$3,000 |
Against a new refrigerator at $600–$3,000 installed, a defrost timer / board repair at $130–$260 is usually the cheaper fix — unless the refrigerator is already old or has other faults.
Pro note: a tech tests the defrost heater and thermostat too, because those fail more often than the timer and cause the same frost.
Is replacing the defrost timer / board on a refrigerator worth it?#
On a newer or premium refrigerator, replacing the defrost timer / board is worth it — $130 to $260 is well under the $600 to $3,000 a new one costs, and a unit from Sub-Zero or Viking is worth keeping in service. With a fridge full of food at risk, a scheduled repair beats limping along or shopping in a hurry. The job stops making sense only on a basic unit past about 10 years, where the repair starts to rival the price of a replacement and other parts are wearing out too.
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Refrigerator Defrost timer / board replacement cost: FAQ#
How much does a refrigerator defrost timer / board replacement cost?#
Most jobs run $130 to $260, with $195 the common figure once parts and labor are counted.
Is replacing the defrost timer / board on a refrigerator worth it?#
Yes on a sound or higher-end refrigerator: $130–$260 stays well below $600–$3,000. Once the unit is near the end of its life, buying new is the better spend.
What makes the defrost timer / board fail on a refrigerator?#
The defrost timer / board usually gives out from normal wear, heat, and electrical stress over years of use.
Can I replace a refrigerator defrost timer / board myself?#
Yes, a moderate DIY job for a handy owner once the power is shut off. If the diagnosis is uncertain, a technician confirms it fast and warranties the fix.
How long does a refrigerator defrost timer / board replacement take?#
For a prepared tech it is an hour-or-two job — a little longer if the part is buried or the panel is awkward to reach.
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.


