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You may have heard the word Freon when talking about air conditioners or refrigerators. But what exactly is it? Why is it so important for keeping your home or business cool? 

What Is Freon?

Freon is a brand name used for a group of refrigerant chemicals known as CFCs (chlorofluorocarbons) and HCFCs (hydrochlorofluorocarbons). These chemicals were widely used for decades in air conditioning and refrigeration systems.

The Most Common Type

For many years, the most common type used in residential AC units was R-22, often simply called “Freon.” It became popular because it was:

• Reliable

• Effective at cooling

• Compatible with many HVAC systems

How Freon Works

Freon moves through the HVAC system in a continuous cycle. During this process, it:

1. Absorbs heat from inside your home

2. Transfers and releases heat outdoors

3. Circulates back to repeat the cycle

This simple but powerful process is what keeps indoor spaces cool and comfortable. 

Why Is Freon Important?

1. It Provides Efficient Cooling

Freon is essential for absorbing heat from your indoor air. When your air conditioner runs, the refrigerant pulls heat out and pushes it outside. This allows your AC to:

• Cool your home quickly

• Maintain a stable, comfortable temperature

• Keep you comfortable during hot weather

Without Freon, your AC simply wouldn’t be able to cool your space.

2. It Helps Extend Your HVAC System’s Life

Freon eases the workload on key AC components, especially the:

• Compressor

• Condenser

• Evaporator

By helping the system transfer heat efficiently, it reduces strain and prevents premature wear. When refrigerant levels are correct, your AC can:

• Run more smoothly

• Experience fewer breakdowns

• Operate effectively for many years

Routine maintenance and proper Freon levels play a major role in system longevity.

3. It Supports Better Energy Efficiency

A properly charged AC system uses less energy to cool your space. When Freon levels are correct, the system:

• Operates more efficiently

• Uses less electricity

• Helps lower monthly energy bills

But when Freon is low, the air conditioner must work harder to produce the same amount of cooling. This leads to:

• Higher energy costs

• More strain on the system

• Reduced cooling performance

4. It Has Serious Environmental Impacts

While Freon has been effective for cooling, it also has drawbacks. CFCs and HCFCs found in Freon have been linked to:

• Ozone layer depletion

• Increased UV radiation exposure

• Health and environmental risks

These concerns led to global actions like the Montreal Protocol, an international agreement that required countries to phase out harmful refrigerants.

The Phase-Out of R-22

As of January 1, 2020, the production and import of R-22 Freon in the United States have been banned. However:

• Existing systems that use R-22 may still operate

• Recycled or reclaimed R-22 can still be used for servicing

Because of this, homeowners with older systems may face higher costs for R-22 over time.

5. Shift Toward Eco-Friendly Alternatives

To reduce environmental damage, the HVAC industry now uses newer, more eco-friendly refrigerants such as:

• R-410A

• R-32

• R-134A

These modern refrigerants offer:

• Better energy efficiency

• Lower environmental impact

• Improved system performance

If your AC still relies on R-22, upgrading to a newer system can:

• Reduce your carbon footprint

• Boost energy efficiency

• Lower long-term operating costs

Regular HVAC maintenance also ensures your system works safely and efficiently with modern refrigerants.

Need Help With Your HVAC System?

If you're searching online for “HVAC companies near me,” you’ve found the right team. Gleason Heating and Air Conditioning is a trusted local HVAC contractor proudly serving customers in and around Wauconda. We offer:

• Heating and cooling services

• Plumbing

• Electrical work

• Honest pricing

• Dedicated customer follow-up

Our goal is to ensure your comfort and satisfaction—every time.