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How Does Commercial HVAC Work?

A commercial HVAC system allows you to control the temperature inside your business and office building. You may know a little bit about how HVAC systems work because you have one at home.
However, the systems for commercial use are built to heat and cool a much larger space. You can learn more about how a commercial HVAC system works by understanding what it is and how they function and their purpose in office buildings.

What is A Commercial HVAC System?

The first question to answer is to define and learn more about what a commercial HVAC system is. It may help you to know that HVAC stands for heating, ventilation, and air conditioning. You use a commercial HVAC system to heat or cool off your space. It can be used for large premises such as with a business or restaurant. They’re more robust and include many more parts than what you may find with your HVAC system at home.

The Primary Parts

Below are a few of the main parts that are included in a commercial HVAC system and that you should know about:
– Thermostat: The thermostat controls the system. It signals it to produce heat or cool air, depending on the temperature you set.
– Furnace: The furnace is the largest part of your HVAC system, and it provides heat.
– Heat exchanger: You can find the heat exchanger within the furnace. It’s used to heat the air that’s pulled in from the furnace.
– Refrigerant lines: These lines transform refrigerant substances into a liquid form.
– Ductwork and vents: The ductwork and vents work to transfer the hot or cold air into your commercial building.

How do These Systems Work?

The three processes your commercial HVAC system facilities include heating, ventilation, and air conditioning. Each process requires an individual unit to function. However, together they create your HVAC system and can all be controlled by a central thermostat.
Heating: If you turn up your thermostat then it’ll signal the furnace to start the heating process. A gas valve opens within the furnace to trigger the gas burner. The heat produced from the burner is then used to heat the heat exchanger. The heat transforms into the air as it surges through the exchanger. Finally, an internal fan forces the air through the ductwork and into your building.
Cooling: Air conditioners within the HVAC system use refrigeration (which absorbs the heat) to cool the air. Gas is compressed and pressurized and transferred into a condensation coil. It then releases the heat and changes the gas into a cooler liquid. The warm air is released through an evaporator and the liquid turns to gas and effectively cools it.
Ventilation: Your HVAC system requires proper ventilation. It ensures the right amount of air enters your commercial space. The fresh air prevents odors, mold, and mildew from contaminating the air. New air enters in a controlled manner while contaminants go out the vents.
You now have a better understanding of how commercial HVAC systems work and the ways they can cool, ventilate, and warm your space.