R-22 Freon Refrigerant PT Chart

RefrigerantHQ's Pressure Charts

One of the very first steps when it comes to diagnosing your home air conditioner, refrigerator, or even your vehicle’s air conditioner is understanding the temperature and the current pressure that your system is operating at. Having these facts along with the saturation point, the subcool, and the superheatĀ numbers for the refrigerant you are working … Read more

Why Was R-12 Freon Banned?


R-12 refrigerant is one of the founding fathers of the refrigeration and air conditioning world. While there were many other refrigerants that came before the invention of R-12 there were none quite up to par and none that had all of what R-12 had to offer. But, before we get into why the refrigerant was … Read more

Why Was R-22 Freon Banned?


Let’s take a look at R-22 Freon. R-22 is an HCFC refrigerant, also known as a HydroChloroFluroCarbons. These HCFC refrigerants along with CFC refrigerants were some of the very first mainstream refrigerants seen across the world. Origin of R-22 R-12 and R-22 along with other CFC/HCFC refrigerants were invented back in the 1930’s as the … Read more

Can I Purchase Freon?

A lot of the times when your air conditioner goes out the most expensive part of the repair is recharging your system with refrigerant. Sometimes this bill can be a couple hundred dollars and other times closer to-five hundred. With this high priced bill facing them a consumer sometimes considers purchasing the product on their … Read more

What is Freon?

What Is It?

The term or name Freon is commonly used all over the country to describe what is inside your home or vehicle’s air conditioner. While we have all heard of this term before many of us do not really know what Freon is, where it comes from, or how it works. First, let me explain that … Read more