Fridge Defrost Heater Replacement in Warsaw
25.03.2026Fridge Defrost Heater Replacement in Warsaw
Thick ice building up on the freezer back wall, fridge compartment warming up, fan humming or stuck? In No Frost systems, the defrost heater periodically melts frost from the evaporator. When it burns out, ice accumulates, blocks air channels and the fan, and the fridge temperature rises. We replace defrost heaters on site across Warsaw.
Cost
Depends on model and heater type (glass, metal, film). Prices in the table. Service includes defrost, diagnosis and fitting. Heater charged separately.
| Service | min | max |
|---|---|---|
| Thermostat replacement (fridge) | 300 zł | 350 zł |
| Fan replacement (fridge) | 300 zł | 400 zł |
| Sensor replacement (fridge) | 300 zł | 350 zł |
| Defrost heater replacement (fridge) | 350 zł | 450 zł |
| Refrigerant recharge (fridge) | 450 zł | 600 zł |
| Compressor replacement (fridge) | 700 zł | 1000 zł |
How it works
- You describe — ice, poor cooling, fan noise.
- Technician brings the heater.
- Disconnect, defrost the freezer.
- Remove internal panel — expose evaporator and heater.
- Test heater with multimeter — open circuit or ground fault.
- Replace heater, check defrost thermostat and thermal fuse too.
- Reassemble, power on. After a defrost cycle (8–12 hrs) — no ice.
Mistakes
- Manual defrost every 2 weeks instead of repair.
- Confusing with refrigerant leak — leak means no frost, heater failure means thick ice.
- Not checking defrost thermostat.
- Not checking thermal fuse.
- Chipping ice with a knife — damages evaporator and refrigerant lines.
Preparation
- Fridge model.
- Describe: ice, fan noise, warm fridge.
- Move frozen food out.
- Unplug 2–3 hours before (to soften ice).
- Towels — lots of water.
- Photo of model.
- Internal access — no need to pull out.
- Basin for water.
Case from Warsaw
Client in Wola: Samsung No Frost — freezer OK, fridge at +12°C. Fan blocked. Behind panel — 3 cm of ice. Heater had open circuit, thermal fuse blown too. Replaced both. Next day — no ice, fridge at +4°C, fan quiet. 1.5 hours. Tip: if you’re defrosting more than once a year, the defrost system needs repair, not more defrosting.
FAQ
What is the defrost heater?
A heating element that periodically melts frost from the evaporator. Water drains to a tray and evaporates.
How to tell it failed?
Thick ice on freezer wall, warm fridge, fan blocked or noisy.
Defrosting helps?
For 1–2 weeks. Then ice returns.
Could be something else?
Yes — defrost thermostat or thermal fuse. Technician checks the whole circuit.
Brings heater?
Yes.
Time?
1–2 hours.
Brands?
Samsung, LG, Bosch, Siemens, Liebherr, Whirlpool, Beko.
Can I chip the ice?
No! You’ll damage the evaporator and refrigerant lines.
Expensive?
No — much cheaper than a compressor.
Warranty?
Yes.
Who does the work
Defrost heater replacements by No Frost specialists. All of Warsaw. Ice building up? Call us.