HVAC Site - Professional HVAC Contractors Forum banner
converting
1-1 of 1 Results
  1. Commercial HVAC Forum
    I read a articular that was posted about converting system from R22 to R410A .Where they talking about replacing the meting device in the air handler or the evaporator coil & if so, where did they find a device for 410A? Also how much changes has there been from R22 systems to the R410A...
1-1 of 1 Results
Top