What Homeowners Should Know About R-22 Conversion

If your air conditioner is older, there is a chance it may still use R-22 refrigerant. For many homeowners, that becomes a concern only when the system stops cooling properly or a technician mentions that refrigerant is expensive or difficult to replace. At that point, the question usually comes up fast: should you keep repairing the system, or is it time to think about an R-22 conversion or replacement?