How to Add R22 Refrigerant to Your AC Unit: A Step-by-Step Guide
Refrigerants play a vital role in the functionality of air conditioning systems by absorbing and releasing heat to cool the indoor air. R22 refrigerant, also known as HCFC-22 or Freon, has been widely used in older AC units. However, due to its harmful impact on the ozone layer, the Environmental Protection Agency (EPA) has phased … Read more