We have brought 3 slit systems one 2.5 kw , 5 kw and one 7 kw and they are all fantastic all cool the areas down real quickly and are so quiet. The service was unbelievable and was 10 star .They were so friendly and answered any questions ,the job was done very quickly and all the mess was cleaned up and taken away. The sales team were just as friendly .The whole company at simply air were so professional ,we will be buying a few more air conditioning slit systems from them.