Worst customer and after sale service

My son bought a Defy fridge and freezer from H&H, Potchefstroom, as a present for us on 23 October 2018. Within a week both appliances faulted and my son went to H&H and requested a refund only to be informed by the then manager, that he will have to wait till they collected enough cash to refund him and it can take anything up to 6 months, where he paid for the appliances with his credit card. She then informed him that H&H, Potchefstroom branch, will exchange both units the same day which was done. After a while the new fridge's racks started to fall through and the matter was reported to H&H seeing that the appliances was still under guarantee. The manager informed me that she would contact Defy who would come to my house and inspect the damaged appliance. On 06 September 2019 Defy replaced the damaged fridge, according to Defy the interior of the fridge wapped, with a new fridge. On 18 February 2020 I again reported to H&H that the new fridge again had the same problem where the racks are falling out. On 24 February 2020 the Defy technician inspected the fridge and freezer and confirmed that both appliances are faulty and that both is still under guarantee. On 23 March 2020 I went to H&H, Potchefstroom branch, and informed the new manager that I am still sitting with faulty appliances. She undertook to contact Defy regarding the replacement. On 21 July 2020 I again visted H&H, Potchefstroom branch, to find out what is going withe the exchanging of the faulty appliances. I then reminded the manager that I had given H&H enough time to deliver a product which was paid for and which kept on faulted without any reason. I insisted on a refund where she refer to the CPA, which seems like if they are trained to refer to only one act although there is a lot of other acts which actually can justify a refund. She said she would contact the area manager regarding this problem seeing that the Defy fridge and freezer range were absolute. I did not receive any calls from the area manger and therefor wrote a complaint to H&H customer service. H&H customer service contacted me and informed me that they are referring the matter to the area manager of which I did not received any feedback. On 24 July 2020 H&H customer service phoned me again to confirm whether I was contacted by either the branch manager or the area manager. Not one of them contacted me what so ever and up to now 29 July 2020, no one from H&H contacted me what so ever. Since 2018 when the appliances was bought till today, the telkom line at H&H Potchefstroom is out of order and they are waiting for an upgrade. The customer service as well as after sales service received from H&H Potchefstroom is and was of the worst I ever experienced.