Bad service from absa and duratherm

I had a burst geyser on the 7th April, logged in a claim on the 8th morning and they sent their people on the 8th at 17:00 . They said the geyser is under warrant so they can't fix it. Duratherm and absa are now playing this annoying ball of we waiting for this and that. And each time I call I don't get a proper response from both companies. A geyser can take a monthly plus to fix REALLY ABSA? It actually shows you don't care about your customers.