How Does a Refrigerator Work?

If you are like the majority of homeowners you don’t give too much thought to the parts of a refrigerator until it stops cooling, or unless it comes time to buy a new one. In order to get the most from this kitchen appliance it can be extremely good to know how a refrigerator keeps food cool—and ARRC Redlands Appliance Repair is here to explain.

Read on to learn everything you need to understand about how a refrigerator works, how it cools your food and if it is time to reach out to refrigerator repair Redlands.

Parts of a Refrigerator

You won’t find many homes that do not feature a refrigerator in the kitchen. It has been a must-have kitchen appliance for a lot of years now. A refrigerator will store your food at the optimal temperature, in order to stop spoiling and stop bacteria. The process of refrigeration starts by moving the heat from the inside of the appliance to the outside, by using principles of evaporation and condensation.

The standard parts of your refrigerator are below. For questions or service call ARRC Redlands Appliance Repair:


A compressor is a combo of a motor and pump, and it’s need for circulation of refrigerant throughout the cooling system.
A compressor is an integral piece of a refrigerator. You should call a professional company if the compressor is broken.


A refrigerator condenser is located on the back outside wall of the appliance and is there to emit the heat absorbed inside the refrigerator then out to the air.


The evaporator is located on the interior of the refrigerator where absorbs the heat held inside of it, thereby lowering the interior temperature.

Right when the evaporator is not working, it’s time to enlist a professional. You should not wait too long.

Expansion Device

Liquid coolant is transferred through a capillary tube which works as an expansion tool as it cools the gas inside, transforming it back into a liquid.


The thermostat helps regulate the current temperature inside the refrigerator, starting a new cooling period when it is required.

A thermostat in a refrigerator is prone to malfunction. Troubleshoot and hire a technician in Redlands for service right after an issue happens.

How Does Refrigeration Work?

1. When the temperature within a refrigerator rises higher than the set point sensors alert the compressor to begin, and then the cooling period begins. The unit collects the cool liquified refrigerant, condenses and pressurizes the liquid, and raises the temperature, turning it into a gas form.

2. The refrigerator compressor unit directs the hot gas towards the condenser coils on the exterior of the appliance, at which point it comes in contact with warmer air temperature in the room and reverts to a liquid form.

3. The cooled refrigerant continues on its journey to the evaporator component, making its way through the coils within the refrigerator and top freezer section.

4. The coolant then absorbs the heated air from the interior of the appliance, reducing the temperature back to the optimal set point.

5. The coolant evaporates, and will turn back to a gas, and then returns to the refrigerator compressor unit to then continue the cooling cycle.

Refrigeration is found in many applications and household appliances, this includes heat pumps, AC units, refrigerators and residential freezers. By removing warmth from a single place and moving it to a different one the cycle of refrigeration helps cooling a home, provides a optimal space for food that is perishable, and also helps with manufacturing and storage of many different everyday products and goods.

Need Refrigerator Repair?

Think your refrigerator need service? Time to schedule an appointment with ARRC Redlands Appliance Repair.

ARRC Redlands Appliance Repair is able to repair most major brands and models of refrigerators – includes commercial models, stand-alone and side-by-side.Our experienced repairman in Redlands complete training to troubleshoot and repair cooling problems, ice makers, problems with condensation, puddles of water and leaks, light bulbs, touch controls, smart systems and other issues. We know refrigerator repair! Schedule now!