Doesn't phone back / Not Interested in resolving

I reported a faulty induction hob Thurs 22 Jan 2015 (the previous one bought in Agust also broke down), promise that technician will phone back within 24 h. No one phoned. Phoned again Monday, 26 Jan, gave extra phone number if they can not reach my wife, promise technician will phone same day, no one phoned. Phoned again Wednesday 28 Jan, promise technician will phone same day, no one phoned, phoned again Thursday 29 Jan, promise that technician will phone me in 15 min, no one phoned again, phoned back after a hour, technician will phone me back. Technician phoned and told me they did try my wife on Tuesday but could not get hold of her, failed to phone me though!, He will only be able to help me 1st Feb, Not acceptable, phoned Whirlpool again Thursday , spoke to Rodney, will phone me back at 10.30 Thursday. Did not phone me back, Phoned Thursday afternoon, left message for Rodney, did not phone me back, Phoned Friday 30 Jan, left message phone me back, up to now nobody has phoned me back or resolved my problem!