How Do Central Air Conditioning Systems Work? - PGA Inc.


Check our latest news

Schedule Your Appointment

How Do Central Air Conditioning Systems Work?

3 outdoor AC units in front of their respective Wausau, WI, homes.

The sweltering heat of summer often leaves many homeowners scrambling for ways to cool their homes. One of the most popular and effective methods is by using a central air conditioning system. But have you ever paused to think, how do central air conditioning systems work? If you’ve been pondering this question, you’re in for an informative treat.

Let’s go over everything you need to know below so that you can fully understand how central AC works.

Breaking Down the Basics: Central Air Conditioning System Components

A central air conditioning system is intricately designed and is a marvel of modern engineering. Understanding how central AC works starts with grasping the basics of its components.

  • Outdoor Unit: This unit houses the condenser coil and is often the most visible part of your AC system. The role of the outdoor unit is to expel the warm air from your home.
  • Indoor Unit: Typically located in a basement or closet, the indoor unit consists of the evaporator coil. This coil plays a crucial role in cooling the warm air inside the house.
  • Copper Tubing: Acting as a conduit, copper tubing connects the indoor and outdoor units, allowing the refrigerant to move between them.
  • Return Air Ducts: These ducts collect the warm air from your home and transport it to the indoor unit, where it gets cooled and is then recirculated.

The Cooling Process: How Central AC Works

So, how do central air conditioning systems work? Understanding the functionality of these HVAC systems is all about appreciating the cycle of how air is cooled and circulated. Here’s a step-by-step rundown:

Warm Air Intake

It all begins with the warm air inside your home. The return air ducts capture this warm air and transport it to the indoor unit.

Air Filtration

As the warm air flows over the evaporator coil in the indoor unit, airborne particles are removed, enhancing the quality of air inside your home. This process not only cools your home but also ensures a healthier environment.

Cooling the Air

Inside the indoor unit, a refrigerant — typically a fluid — is passed through copper tubing. How do central air conditioning systems work with this refrigerant? In the simplest of terms, refrigerant absorbs heat from the warm air, turning it into cold air.

Expelling the Heat

The now-heated refrigerant moves to the outdoor unit. The condenser coil releases the absorbed heat from the refrigerant into the outdoor environment.

Circulating Cooled Air

Post-cooling, the cooled air is sent back into your home through various ducts. The cycle repeats until the desired temperature is attained.

The Benefits of a Central AC System

Central air conditioning systems are not only about comfort. They are also about energy efficiency. When your home is cooled uniformly, there is a balanced distribution of cold air, ensuring no energy is wasted. Plus, modern systems are designed to ensure minimum power consumption, further enhancing energy efficiency.

Enhanced Air Quality

Apart from cooling systems offering a respite from the heat, the removal of airborne particles ensures you breathe cleaner, fresher air.

Consistent Comfort

With central AC systems, you can set your preferred temperature and let the system work its magic. Whether it’s the living room or bedroom, every corner of your home feels equally comfortable.

Ready for a Cool Home? Contact Us Today

So, how do central air conditioning systems work? As you can see, many steps go into providing you and your family with comfortable, cool air. Hopefully, this guide has been helpful in breaking down the cooling process. Now that you know how central AC works, you might be contemplating getting one for your home.

Imagine a scorching summer day, and as you enter your home, a gust of cool, clean air greets you. The outside heat seems miles away. This dream can be your reality. Whether you’re keen on knowing more about central AC systems or considering an air conditioning installation in Wausau, WI, PGA Inc. is your go-to expert.

Central air conditioning is more than a luxury; it’s a means to ensure comfort and health. Don’t let the heat wear you down. Dive into the world of efficient cooling right away. Get in touch with us to schedule your air conditioning service today in Wausau, WI, or the surrounding area!

We proudly support local Wisconsin clients

We provide quality plumbing, heating, cooling, electrical & excavation
services throughout Wisconsin since 1994.

Where we Work?

Our Service Area

  • Weston, WI
  • Schofield, WI
  • Rothschild, WI
  • Ringle, WI
  • Wausau, WI
  • Hatley, WI
  • Brokaw, WI
  • Mosinee, WI
  • Aniwa, WI
  • Eland, WI
  • Marathon, WI
  • Elderon, WI
  • Rosholt, WI
  • Galloway, WI
  • Birnamwood, WI
  • Wittenberg, WI
  • Antigo, WI
  • Custer, WI
  • Junction City, WI
  • Stevens Point, WI
  • Athens, WI
  • Mattoon, WI
  • Edgar, WI
  • Merrill, WI
  • Tigerton, WI
  • Amherst Junction, WI
  • Phlox, WI

Schedule Your Service

in Your Home Today!

Get in Touch


7306 Zinser St.
Weston, WI 54476



24 hour emergency service