Top 5 Reasons Your Fridge Isn’t Cooling Properly

In Central Florida’s heat, especially during our intense summers, a failing refrigerator isn’t just inconvenient — it can turn into a food-safety issue fast. If your milk is souring early or your lettuce feels limp, your fridge might be trying to tell you something.

Let’s look at the most common reasons a refrigerator isn’t cooling the way it should — and what you can do about it.

1. Dirty Condenser Coils

Your fridge relies on its condenser coils to release heat. When these coils are coated in dust, pet hair, or kitchen grease (which is easy in Florida kitchens where AC and airflow can be unpredictable), they can’t release heat efficiently. That trapped heat builds up inside the fridge, raising the internal temperature.

Signs of dirty coils:

• The fridge feels warmer than usual inside, especially near the back.

• You hear the compressor running constantly or cycling more often than it should.

• The fridge feels hot to the touch on the sides or bottom.

What to do:

• Unplug the fridge.

• Pull it away from the wall.

• Use a coil cleaning brush or vacuum hose to gently clean the coils — usually located on the back or underneath.

For best performance, this should be done every 6 to 12 months — even more often if you have pets or the fridge sits in a warm, dusty location (like garages or sunrooms common in the Orlando area).

2. Faulty Evaporator Fan Motor

The evaporator fan is responsible for circulating cold air throughout the fridge and freezer. If the fan motor isn’t working, your freezer might stay cold while the fridge section warms up. This is especially common in side-by-side units or French-door models.

Symptoms:

• Freezer is fine, but the fridge section is too warm.

• You don’t hear the fan running when the fridge door is closed (try pushing the door switch to listen).

• Ice buildup around the back panel inside the freezer.

What it means:

If the fan is damaged, blocked, or frozen over, airflow stops — and the fridge section suffers. Sometimes it’s a simple fix (like defrosting the freezer or clearing a jam). Other times, the motor may need to be replaced.

3. Temperature Control Settings or Thermostat Issues

It sounds obvious, but sometimes a bumped temperature dial or digital control issue is the culprit. Kids, cleaning crews, or just accident-prone fingers can cause the settings to shift without you noticing.

Modern fridges also have thermostats or thermistors that monitor temperature. If one of those sensors malfunctions, your fridge might think it’s colder than it is — and stop cooling prematurely.

What to check:

• Make sure the fridge is set between 35°F–38°F (freezer at 0°F).

• If you’re unsure about internal temps, place a basic fridge thermometer inside and check after a few hours.

• If the temperature inside doesn’t match the setting, the sensor or control board could be faulty.

4. Airflow Obstruction or Overloaded Shelves

Believe it or not, how you load your fridge can affect its ability to stay cool. Cold air needs to circulate freely, especially from vents typically located near the back wall.

When your fridge is overstuffed — or when items are pressed up against those vents — airflow gets blocked, and pockets of warm air form.

Tips:

• Keep items away from the back wall and upper vents.

• Don’t overpack the fridge — give cold air room to move.

• Avoid placing hot food inside the fridge before it cools down. That sudden heat spike can strain the compressor.

This is especially common in multi-family homes, vacation rentals, or shared spaces, where the fridge gets packed full regularly — all very common in the Orlando area.

5. Malfunctioning Compressor or Start Relay

The compressor is the heart of your refrigerator’s cooling system. If it fails — or if the start relay (which helps the compressor turn on) is defective — your fridge won’t cool at all.

Signs of compressor issues:

• Fridge and freezer are both warm.

• You hear a clicking sound, but the compressor doesn’t start.

• The fridge runs loudly or constantly.

What to do:

Unfortunately, this usually isn’t a DIY fix. A technician can test the compressor and relay to confirm what’s failing. If the compressor itself is the issue, it’s often one of the most expensive repairs — but not always a reason to replace the entire unit. Many issues stem from the relay or control board, which are easier fixes.

Quick Check: Power & Door Seals

Before you dive into deeper causes, always double-check:

• Is the fridge properly plugged in and getting power?

• Are the doors sealing tightly? Worn or cracked door gaskets let cold air leak out, forcing the unit to work overtime — especially in Florida’s heat and humidity.

Worn seals are a common problem in older homes across Central Florida, especially where moisture builds up or the fridge is located in a garage or lanai.

Fridge Still Not Cooling? Let’s Take a Look.

When your refrigerator starts warming up, every hour counts. Spoiled food and wasted groceries aren’t just frustrating — they’re expensive. If you’ve checked the basics and your fridge still isn’t doing its job, it’s time to call in a pro.

ARS Repair Inc. provides fast, reliable refrigerator repair in the greater Orlando area, servicing all major makes and models. Whether it’s a small fix or something deeper, we’ll help keep your food cool — and your fridge running strong.

Need help fast? Book your fridge repair now.