Ductless Air Conditioner in Winston-Salem (R-22 HVAC).

http://www.minisplitwarehouse.com/product/defrost-wire-ductless-mini-split-heat-pump-systems Ductless Air Conditioner in Winston-Salem (R-22 HVAC). Converting an R-22 HVAC system to R-410A is a major undertaking and is not a do-it-yourself project. Please