How Does a Refrigerator Work?

Most homeowners don’t think too much about the parts of a refrigerator before it shuts down, or before it comes time to buy a new model. In order to get the most use possible from this kitchen appliance it can be very useful to know exactly how it keeps your food cold—and Lawson’s Appliance Repair is here to explain.

Continue reading to find out all you might need to know about how a refrigerator runs, how it cools your food and if it’s time to call refrigerator repair CITY.

Parts of a Refrigerator

There aren’t many houses that don’t have a refrigerator inside the kitchen. It has been a standard appliance for a lot of years now. A household refrigerator stores your food at the best temperature, to prevent spoiling and slow down bacteria. The concept of refrigeration starts by distributing the heat from the interior of the unit to the outside, by using the principles of evaporation and condensation.

The standard parts of a refrigerator are below. For questions or service call Lawson’s Appliance Repair:


The compressor is a combination of a pump and a motor, and it is necessary for the circulation of refrigerant dispersed in the cooling system.
The compressor is an important piece of a refrigerator. Homeowners should hire a professional service if the compressor isn’t working.


A refrigerator condenser is located on the rear outside panel of the appliance and will help to release the warmth absorbed within the refrigerator then out into the surrounding air.


A evaporator is stored on the inside of a refrigerator where it absorbs the heat contained inside of it, effectively reducing the interior temperature.

The moment an evaporator is not working, it is time to hire a professional. Don’t wait until it’s too late.

Expansion Device

Liquid coolant is transferred through a capillary tube which works as an expansion device to cool the gas, transforming it back into liquid.


A refrigerator thermostat will regulate the temperature inside a refrigerator, starting a new cooling cycle as it is needed.

A thermostat inside of a refrigerator is very prone to problems. Troubleshoot and hire a technician in CITY for repair right when a problem happens.

How Does Refrigeration Work?

1. When the temperature in the interior of the refrigerator is above the set point sensors alert the compressor to engage, and then the next cool down begins. The unit attracts the cold liquified refrigerant, then pressurizes and condenses it, and raises the temperature, so it can turn into a gas form.

2. The refrigerator compressor unit directs the heated gas towards the condenser coils on the rear of the refrigerator, at which point it comes into contact with the lower temperature in the home and returns back to a liquified form.

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

4. The liquid then absorbs the warm air from inside the appliance, thereby returning the temperature until it has reached the optimal set point.

5. The liquid then will evaporate, and turns back into a gas state, and then returns to the compressor unit in order to continue the cooling cycle.

Refrigeration technology is used in a number of applications and household appliances, including heat pumps, air conditioners, refrigerators and freezers. By extracting heat from one location and transferring it to elsewhere the continuous cycle of refrigeration contributes in cooling a home, provides a perfect environment for perishable food, and helps with manufacturing and storage of many different common products and goods.

Need Refrigerator Repair?

Think your refrigerator require professional attention? You can schedule service with Lawson’s Appliance Repair.

Lawson’s Appliance Repair will repair nearly all popular brands of refrigerators – including industrial models, side-by-side and stand-alone.Our technicians in CITY are trained to repair problems with cooling, malfunctioning ice makers, condensation, water puddles and leaks, lighting, touch panels, smart controls and various issues. We know refrigerator repair! Call today!