Refrigerator · Repair Cost Guide

Defrost Heater / Thermostat / Timer Replacement Cost

If your refrigerator technician diagnosed a bad defrost heater, here's what the part and labor typically run, what symptoms actually point to this repair, and what testing should back up the diagnosis before you approve it.

$327–$503
Typical installed cost
$30–$110
Part only
$270–$359
Labor only

Installed price = labor + retail part price, plus 4% processing and a $15 shipping fee, before sales tax. Labor reflects a $225 minimum service charge, higher for repairs that take more time or disassembly.

Symptoms that point to this repair

What typically causes this

What a proper diagnosis should include

Before approving a Defrost Heater replacement, a technician should generally have checked:

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Common questions

How much does a defrost heater replacement cost installed?

Typical installed cost for a defrost heater on a refrigerator runs $327–$503, made up of a $30–$110 part and $270–$359 in labor. Quotes well outside that range are worth a second look.

What symptoms actually point to a bad defrost heater?

Typical signs include: heavy frost buildup on evaporator coil; freezer warm, ice buildup visible; cyclical cooling loss. If your symptoms don't match this pattern, ask what ruled out other causes.

What should a technician test before replacing this part?

A documented diagnosis for this repair should generally include: continuity test on heater; continuity test on thermostat; manual defrost cycle initiation test. If none of this was mentioned, it's a fair question to ask before you approve the work.

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