A malfunctioning refrigerator can quickly turn into a major household problem. When your fridge stops cooling properly, food can spoil, leaks may appear on the floor, and your kitchen routine can be disrupted. Understanding the basic components of your refrigerator and how they work together can help you recognize problems early and know when it’s time to call a professional.
At The Appliance Team, our technicians repair refrigerators from many major brands and provide reliable service throughout the Denver metro area.
Common Refrigerator Brands We Repair
Modern refrigerators come in many different designs and technologies depending on the manufacturer. Our technicians are experienced with a wide variety of brands, including:
- Whirlpool
- Samsung
- LG
- GE
- Frigidaire
- KitchenAid
- Maytag
- Bosch
- Sub-Zero
- Thermador
- Viking
- Electrolux
- Amana
- Kenmore
- JennAir
Whether you have a French-door refrigerator, side-by-side model, or built-in unit, professional technicians can diagnose issues and restore proper performance.
Understanding the Main Parts of a Refrigerator
Refrigerators contain a combination of internal cooling components and external sections that you interact with daily. Each part plays an important role in maintaining the correct temperature for your food.
Internal Refrigerator Components
Refrigerant
Refrigerant is the cooling fluid that circulates through the refrigerator system. It absorbs heat from inside the fridge and transfers it outside the appliance. This continuous cycle is what keeps your food cold and fresh.
Compressor
The compressor acts as the heart of the refrigeration system. Located near the bottom rear of the unit, it moves refrigerant through the cooling system and compresses it so heat can be released through the condenser coils.
Condenser Coils
These coils are usually located behind or underneath the refrigerator. Their job is to release heat that has been collected from inside the appliance. If these coils become dirty or blocked with dust, the refrigerator may struggle to cool properly.
Expansion Device (Capillary Tube)
After refrigerant leaves the condenser, it passes through a narrow tube that reduces pressure and temperature. This step prepares the refrigerant for the cooling phase inside the evaporator.
Evaporator
The evaporator is located inside the refrigerator or freezer compartment. As refrigerant flows through this coil, it absorbs heat from the surrounding air, lowering the temperature inside the appliance.
Thermostat
The thermostat regulates the internal temperature of both the refrigerator and freezer sections. When the temperature rises above the set level, the thermostat signals the compressor to start cooling again.
Defrost System
Most modern refrigerators include an automatic defrost system. This system periodically melts frost that builds up on the evaporator coils, preventing ice buildup and ensuring efficient airflow.
External Refrigerator Parts
Freezer Compartment
The freezer maintains temperatures below freezing to store frozen foods. Door gaskets create a tight seal to keep cold air inside and improve energy efficiency.
Refrigerator Compartment
This is the main storage area where fresh food is kept at safe cooling temperatures. Shelves and drawers help organize items and improve airflow.
Crisper Drawers
Crispers are typically located at the bottom of the refrigerator and maintain slightly higher humidity levels. They are designed to keep fruits and vegetables fresh longer.
Door Shelves
The inside of the refrigerator door usually includes narrow storage compartments for dairy products, condiments, eggs, and beverages.
Drain System
Newer refrigerators contain a drain that removes condensation and defrost water from the freezer section. If the drain becomes clogged, water may collect inside the fridge.
Light Switch
The door switch controls the refrigerator light. When the door opens, the switch activates the light, and when the door closes, the light turns off.
Vent Panel
Located near the bottom of many refrigerators, the vent panel allows airflow and protects internal components from dust and debris.
Common Refrigerator Problems Homeowners Experience
Because refrigerators contain many mechanical and electrical parts, several different issues can occur over time. Below are some of the most frequent refrigerator problems homeowners encounter.
Excessive Ice or Frost Buildup
If frost suddenly appears in a frost-free freezer, the door gasket may no longer be sealing properly. Worn or damaged gaskets allow warm air to enter the freezer, which causes moisture to freeze inside.
A simple way to test this is to place a flashlight inside the refrigerator and close the door. If light escapes through the seal, the gasket may need replacement.
Water Leaking Onto the Floor
Water pooling under your refrigerator is often caused by a leaking water line connected to the ice maker or water dispenser. Temporarily shutting off the water supply may stop the leak, but professional repairs are usually required to fix the problem permanently.
Water Collecting Inside the Refrigerator
If you notice water collecting in the refrigerator compartment, the defrost drain may be clogged. When the drain becomes blocked with debris or ice, condensation can overflow into the refrigerator instead of draining properly.
Cleaning the freezer and flushing the drain with warm water may resolve the issue. If the problem continues, professional service is recommended.
Refrigerator Running Constantly
A refrigerator that never stops running may have dirty condenser coils. Dust and pet hair can accumulate on the coils, preventing heat from dissipating properly.
Cleaning the coils with a vacuum or brush often improves efficiency. However, if the refrigerator still runs continuously, the issue could involve the thermostat, compressor, or cooling system.
Signs You Should Call a Professional Refrigerator Repair Technician
While some minor maintenance tasks can be handled by homeowners, certain issues require the experience and tools of a trained technician.
You should contact a professional appliance repair specialist if:
- Your refrigerator is making hissing or unusual noises
- The appliance is not cooling properly
- You notice oily residue inside or around the unit
- Condenser coils appear damaged
- There is heavy leaking and the source is unclear
- The refrigerator cycles on and off repeatedly
- The exterior of the fridge is sweating excessively
Refrigerant is stored under pressure and must be handled carefully, which is why major refrigerator repairs should always be handled by licensed professionals.
Refrigerator Repair Services in the Denver Metro Area
If your refrigerator stops working, getting expert help quickly can prevent food loss and further appliance damage.
The experienced technicians at The Appliance Team provide professional refrigerator repair services for homeowners throughout the Denver region. Our team services many communities, including:
Denver, Thornton, Boulder, Arvada, Lakewood, Centennial, Littleton, Highlands Ranch, Longmont, Frederick, Lafayette, Louisville, Broomfield, Westminster, Superior, Wheat Ridge, Erie, Northglenn, Englewood, Greenwood Village, and Lone Tree.
We repair most major refrigerator brands and models, providing fast diagnostics and reliable solutions to get your appliance running again.