How Does a Refrigerator Work?

You probably do not give too much thought to the components of a refrigerator until it shuts down, or it is time to replace it. In order to get the most use possible from this invaluable appliance it can be nice to understand exactly how it keeps food and drinks cool—and First-Class Duluth Appliance Repair is here to help.

Continue reading to find out what you will want to know about how refrigerators work, how it cools your food and if it is the right time to hire refrigerator repair Duluth.

Parts of a Refrigerator

You will not find too many homes that don’t have a refrigerator in the kitchen. It’s been a standard appliance for a lot of years. A residential refrigerator stores your food at the optimal temperature, in order to eliminate rotting and slow down the growth of bacteria. The process of refrigeration works by moving the heat from inside of the refrigerator to the outside, by using principles of condensation and evaporation.

The main components of your refrigerator are. For questions or service call First-Class Duluth Appliance Repair:


The compressor is a combination of a pump and motor, and it’s need for circulation of refrigerant in the system.
A compressor is a very important piece of a refrigerator. You should call a professional company if the compressor is broken.


A condenser is found on the back outside wall of the refrigerator and helps to emit the warmth absorbed from within the refrigerator out to the surrounding air.


A refrigerator evaporator is installed in the interior of the refrigerator where absorbs heat held within it, thereby reducing the temperature inside the refrigerator.

Right when an evaporator is not working, it’s time to call a professional. Do not wait too long.

Expansion Device

Liquified refrigerant is carried through a capillary tube which acts as an expansion tool as it cools the gas, transforming it back into a liquid.


A refrigerator thermostat exists to regulate the current temperature in the interior of the refrigerator, beginning the cooling period when it is required.

The thermostat in a refrigerator is prone to malfunction. Troubleshoot and hire a repairman in Duluth for service right after a problem occurs.

How Does Refrigeration Work?

1. Right when the temperature within a refrigerator rises higher than the set point sensors alert the compressor to engage, and then the cooling period starts. The unit collects the cool liquified refrigerant, pressurizes and condenses the liquid, and increases the temperature, turning it into a gas form.

2. The compressor directs the hot gas towards the refrigerator condenser coils on the rear of the refrigerator, where it comes in contact with the lower temperature in the home and transforms to a liquified state.

3. The cooled liquified gas then continues its journey towards the evaporator, making its way through the many coils within the refrigerator and top freezer.

4. The coolant then absorbs the heated air from within the refrigerator, thereby returning the temperature back to the best final point.

5. The refrigerant evaporates, and turns back to a gas, and then returns to the compressor unit so it can continue the cycle.

Refrigeration is often found in quite a few applications and appliances, including heat pumps, air conditioners, refrigerators and freezers. By removing heat from one area and then moving it to another the continuous cycle of refrigeration helps cooling your home, creates a perfect space for perishable food, and also helps with manufacturing and storage of a number of different everyday products and materials.

Need Refrigerator Repair?

Does your refrigerator require service? You can schedule service with First-Class Duluth Appliance Repair.

First-Class Duluth Appliance Repair will service almost all popular models of refrigerators – that includes industrial models, stand-alone and side-by-side.Our licensed service technicians in Duluth complete training to troubleshoot and repair cooling problems, ice makers, condensation, puddles of water and leaks, light bulbs, touch controls, smart systems and various malfunctions. We everything about refrigerator repair! Call today!