• What is FEP material?
• Why are there two columns on a PT chart, and how are they used?
• What do "bubble point" and "dew point" mean?
• Why do bubbles appear in the sight glass when I use a blend? Does this mean I don't have enough refr
• If a blend leaks out of the system, will I need to pull the remaining charge and recharge, or can I
• If I am putting in the whole refrigerant bottle, can I feed vapor then?
• What is the proper charging method for refrigerant blends? If I charge by liquid, won't I slug my co
• Do I need to change the oil in my system when I retrofit to a blend?
• R600a
• R507
• R407c
• R410a
• R404a
• R152a
• R134a
• R125
• R123
• R123
• R32
• R23
• R22