05 Aug What Is Refrigerant and Why Does It Matter for Your AC?

If your air conditioner isn’t cooling like it used to, the issue might be refrigerant-related. But what is refrigerant—and why is it so essential to your comfort?

What Is Refrigerant?

Refrigerant is the chemical compound inside your air conditioning system that makes cooling possible. It absorbs heat from inside your home and transfers it outside. Without refrigerant, your AC can’t do its job.

How It Works

Here’s how refrigerant helps cool your home:

• It enters your indoor coil as a low-pressure gas, absorbing indoor heat.

• Then it moves to the outdoor coil, where it releases that heat and cools down.

• This cycle keeps your home consistently cool throughout the summer.

Over the years, the industry has transitioned between different types of refrigerants—from R-22 to R-410A, and now to R-454B, a more environmentally friendly option with a significantly lower global warming potential.

Why Refrigerant Matters

When refrigerant levels are low or there’s a leak, your AC won’t work properly. Common signs of a refrigerant problem include:

• Warm air blowing from vents

• Long cooling cycles

• Ice on the outdoor unit or refrigerant lines

• Rising energy bills

Leaks and improper refrigerant levels can strain your system, reduce efficiency, and shorten its lifespan.

Let D.E. Duffey Keep Your System Running Smoothly

If you think your AC may be low on refrigerant or want to make sure your system is running efficiently, D.E. Duffey & Sons is here to help. Our expert HVAC technicians will inspect your system, check refrigerant levels, and make sure everything is working as it should.

👉 Call us today at 610-940-1400 or schedule your AC service to stay cool and comfortable all season long.