Wondering what's going on in there?
How your freezer stays cold, in plain English
A freezer doesn't make cold. It moves heat out of the box and into the room.
- Cold coils. Inside, often behind a back wall, are very cold coils. Pros call them the evaporator.
- The fan. In most fridge freezers, a small fan blows air over those coils and around the food. Food piled against the vents slows it down.
- The compressor and outer coils. The compressor pumps the cooling liquid, called refrigerant. The heat leaves through coils at the bottom or back, the condenser coils, often with a second fan.
- The door seal. A rubber seal keeps the cold in and warm, damp air out.
Frost: Whirlpool says most modern freezers defrost on their own. Chest freezers and some uprights need you to defrost them by hand.
So a freezer that won't freeze is usually stuck at one of these:
- Where it sits or how it's set: a cold garage, a warm setting, or a fresh load.
- Cold getting out or blocked: the door seal, or food over the vents.
- Frost: ice on the walls, or a defrost part that failed.
- Heat not getting out: dusty coils, a stopped fan, or the compressor.
The questions at the top check these in the same order. Fridge side warm too? See our guide to a refrigerator that's not cooling.
Rather not do it yourself? Call an appliance repair tech.
That's a fine choice. Maybe you're busy. Maybe you're selling the house and just want it done right. An appliance repair tech can find out why it isn't freezing and fix it.
Most repair companies charge $60–$150 to come out, and many put that toward the repair.
Find refrigerator repair near you
Find refrigerator repair near me →Opens Google Maps. We don't ask for your number.
What to say
Calling a pro? Here's what to say.
A few lines to read when they pick up, and the questions to ask before anyone comes out.
Before you call
Say this
Hi. My freezer isn't freezing. When's the soonest you can get here? And what's your fee for the visit? Does it go toward the repair?
Always ask
- What's your fee to come out, and does it go toward the repair?
- Do you work on my brand, and can you bring the likely part on the first visit?
- Will you tell me the full price before you start any work?
Watch out if
- They push a brand-new appliance on the first visit for a small problem.
- They won't give you a price before starting.
- They want you to pay for parts before they've found the problem.
Feeling pushed to decide on the spot? You can say no and hang up. You owe nothing for a phone call.
Answer up to 5 quick questions. We'll give you the words a pro uses.
Answer the questions →More of a list person?
Common symptoms, causes, tests and costs
Find the row that sounds like your freezer. The quick test is something you can check yourself in a few minutes.
| What you notice | What it probably is | Quick test | Do it yourself | With a pro | Verdict |
|---|---|---|---|---|---|
| In a garage or porch; worse in cold weather | It's too cold where it sits | Check how cold the room gets | Free | Not needed | FIXSee the answer: It's too cold where it sits |
| Dial set warm | The setting is off | Look at the setting | Free | Not needed | FIXSee the answer: The setting is off |
| Just plugged in, or just loaded with food | It just needs time | Wait 24 hours | Free | Not needed | FIXSee the answer: It just needs time |
| Dollar bill slides out easily; seal torn or loose | The door isn't sealing | Do the dollar-bill test | Free | $60–$300 | FIXSee the answer: The door isn't sealing |
| Food against the vents or fan cover | Packed too full, blocking the cold air | Look for food blocking the vents | Free | Not needed | FIXSee the answer: Packed too full, blocking the cold air |
| Thick ice on the walls | Too much ice: it needs defrosting | Look for ice more than ¼ inch thick | Free | Not needed | FIXSee the answer: Too much ice: it needs defrosting |
| Thick frost on the back wall of a frost-free freezer | Frost buildup: a defrost problem | Look at the back wall inside | Pro job | $120–$400 | CALLSee the answer: Frost buildup: a defrost problem |
| No fan sound or air inside a fridge's freezer | The freezer fan stopped | Listen for the fan behind the back wall | Pro job | $120–$400 | CALLSee the answer: The freezer fan stopped |
| Coils thick with dust | Dusty coils | Pull off the bottom grille and look at the coils | $0–$60 | $60–$130 | FIXSee the answer: Dusty coils |
| Coils clean; the fan by them doesn't spin while it hums | The coil fan stopped | Watch the fan near the coils while it hums | Pro job | $120–$350 | CALLSee the answer: The coil fan stopped |
| Coils clean, fans run, but it runs nonstop or clicks on and off | The compressor, or a refrigerant leak | Listen: nonstop running, or clicking every few minutes | Pro job | $100–$1,200 | CALLSee the answer: The compressor, or a refrigerant leak |
2026 U.S. averages, rounded. Pro prices include parts and labor. Most repair companies charge $60–$150 to come out, and many put that toward the repair. Nights, weekends and big cities cost more. See all repair prices
Want proof it's really too warm?
The thermometer test
The dial tells you the setting, not the real temperature. This tells you how cold it really is.
- Put a freezer thermometer in the middle of the freezer.
- Keep the door shut for at least 8 hours, or overnight.
- Read it as soon as you open the door.
- 0°F or colder: it's working. Whirlpool and Frigidaire both say 0°F.
- Warmer than 0°F: take the questions at the top.
Not sure it's safe to keep running?
Unplug it, or call a pro right away, if…
- You smell burning, or see smoke.
- The outlet or plug feels hot.
- It's leaking oil or an oily film near the coils.
- The breaker trips again after one reset.
About your food: FoodSafety.gov says a full freezer holds a safe temperature about 48 hours, or 24 if half full, with the door shut. Food with ice crystals, or at 40°F or colder, can be refrozen. Meat, poultry and seafood above 40°F for over 2 hours should go. When in doubt, throw it out.
Got a big repair quote?
Should you repair it or replace it?
Many freezer fixes are free: a setting, the door seal, defrosting or the coils. Fan and defrost repairs run about $120–$400. A compressor runs about $200–$1,000. Ask yourself three things:
- How old is it? The date is on the model sticker inside.
- Is it under warranty? Many compressors have longer coverage than the rest of the appliance.
- The half rule. If the repair costs more than half the price of a new freezer, get a replacement price too.
Example: a $200 fan motor on a 5-year-old freezer is worth doing. A $1,000 compressor on an old chest freezer is worth comparing with a new one.
Ran into a word you don't know?
Freezer words, explained
Tap through these before you go looking. The drawings show roughly what each part looks like.
- Chest freezer
- A freezer that opens from the top, like a big box.
- Upright freezer
- A freezer that looks like a fridge, but is all freezer.
- Freezer thermometer
- A small thermometer that shows the real temperature inside.
- Door seal (gasket)
- The rubber strip around the door that keeps the cold in.
- Manual defrost
- A freezer you defrost by hand when ice builds up. Many chest freezers work this way.
- Frost-free (auto defrost)
- A freezer that melts its own frost with a small heater.
- Evaporator fan
- The fan inside, behind the back wall, that blows cold air around the food.
- Condenser coils
- Coils at the bottom or back that let heat out into the room.
- Condenser fan
- A small fan near the coils that blows the heat away.
- Compressor
- The pump that moves the refrigerant. It hums when it runs.
- Refrigerant
- The cooling liquid sealed inside the coils.
- Garage Mode
- A setting on some garage-ready fridges for cold rooms.
Still have questions?
Questions people ask most
Why is my freezer not freezing, but the fridge is cold?
A freezer that won't freeze while the fridge stays cold often has a stopped freezer fan, frost blocking the air, or food packed against the vents. Check the setting and the door seal first. The questions at the top go in that order.
Is a freezer that won't freeze an emergency?
A freezer that won't freeze is usually not a safety emergency, but it's urgent for your food. Keep the door closed, and move food to another freezer or a cooler with ice if it's thawing. Unplug it and call if you smell burning or the plug feels hot.
What temperature should my freezer be?
A freezer should be at 0°F, according to Whirlpool and Frigidaire. A freezer thermometer tells you the real temperature, not just the dial setting.
Why is my garage freezer not freezing?
A garage freezer may stop freezing because most are made for indoor rooms. Frigidaire says not to put theirs where it drops below 55°F. Check your manual for the coldest room it's rated for, or use Garage Mode if it has one.
How long will food last if my freezer stops working?
FoodSafety.gov says a full freezer holds a safe temperature about 48 hours, or 24 if half full, with the door shut. Food with ice crystals, or at 40°F or colder, can be refrozen.
How often should I defrost my freezer?
Defrost a freezer at least once a year, or when the ice is more than ¼ inch thick, Whirlpool says. Most modern freezers do it on their own.
Who do I call for a freezer that won't freeze?
Call an appliance repair tech who works on refrigerators and freezers. If it's still under warranty, call the maker first. The free checks at the top, like the setting, the door seal and the coils, are worth doing before anyone comes out.
How much does it cost to fix a freezer that won't freeze?
Fixing a freezer that won't freeze often costs nothing, if it's the setting, the door seal, the coils or defrosting. A fan or defrost repair runs about $120–$400. A compressor runs about $200–$1,000.
How we built this
The questions follow the order an appliance tech checks a freezer that won't freeze: where it sits, the setting, the door and packing, frost and the inside fan, then the coils and the compressor. Each answer makes some causes more likely and others less likely.
Prices are 2026 national averages from published repair-cost guides, rounded. Your local prices will differ.
- Whirlpool, what to do if your freezer is not freezing (read October 2026)
- Whirlpool, how to defrost your freezer (read October 2026)
- Whirlpool, how garage-ready refrigerators work (read October 2026)
- Frigidaire, freezer not freezing or not cooling (read October 2026)
- FoodSafety.gov, food safety during a power outage (reviewed August 2024)
- Fixr, refrigerator repair cost (August 2025)
- Angi, refrigerator repair cost (read October 2026)
- HomeGuide, refrigerator repair cost (read October 2026)
- HomeAdvisor, refrigerator repair cost (read October 2026)
- ConsumerAffairs, cost to repair a refrigerator (October 2026)
- Sears Home Services, refrigerator repair cost (March 2025)
How we make money: some links go to parts stores that pay us a small commission, and some pro listings pay us when you call them. Verdicts come from the diagnosis, not from who pays more.