About us Kerenza Appliance Repair is a trusted, family-owned business that proudly serves the Oakland area. With our team of highly-trained technicians who possess extensive experience, we specialize in repairing appliances in Oakland, Berkeley, and beyond. We take great pride in being Factory Authorized for a wide range of renowned brands including Fisher & Paykel, DCS, Bertazzoni, U-Line, Marvel, Faber, Liebherr, Lacanche, La Cornue, L’Atelier, LG, and many more.