25 May News and Awards Quality ControlOctober 12, 2022 Posted by Rob #autoair, #classiccar, #classictruck, #hotrod, #nitrogen, #oldair, #qualitycontrol, #R-134a, #vintage, #vintageair, A/C, Air Conditioning, compressors, evaporator, Old Car Air Conditioning, R134a Refrigerant Leave a comment Quality Control Nitrogen pressure test Classic Auto Air has always taken pride in the fact we have an extensive checking process. Every evaporator unit, electrical part down to the bolt is inspected before you ever...Read more FacebookTwitterPinterestLinkedInTelegram