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Refrigerant recovery machines are one of the most expensive tools that contractors and technicians own, so they want to keep them operating for as long as possible. If the machines [...]

Ask the Expert: Why should shops consider purchasing a new machine to handle R-1234yf refrigerant? Q: Why should shops consider purchasing a new machine to handle R-1234yf refrigerant? A: The [...]

A sampling of polled refrigerant wholesalers say they are coping with new rules that require service technicians to have certification cards in order to buy refrigerant. As of Nov 14, 1994, wholesalers must see technicians' certification cards and runners who are sent to buy refrigerant must have their names on an approved list. There is some confusion among wholesalers as to which refrigerant products require certification to purchase., A week after the technician certification requirement for buying refrigerant kicked in, a sampling of wholesalers contacted by The News said they are coping with the government regulation that adds [...]

Contractors may need certification to purchase refrigerants next year TARPON SPRINGS, Fla. -- After mid-1992, hvac contractors and their service technicians may need to be federally certified and use an [...]