NO SERVICE FROM TELJOY

I have a faulty aircon unit that had been taken away for repairs only to come back in a worse condition that it was in. I have then called in again and requested the unit be replaced instead as it clearly cannot be repaired at this stage. I had since then called in several additional times and to date I have not been given a follow up call to sort this out. This is absolutely pathetic service from Teljoy with "Don't care" attitudes as I had expressed that it is very difficult to manage without this aircon at the very peak of summer. I had even chatted to an online agent and explained the lack of response which she then assured me that she will have someone call me but still nothing. So to sum this up i have tried all your communication channels and to deaf ears!