Unhappy to say the least

It’s been 7 days in total now that my geyser is broken and not been attended to properly SA home loan insurance and there service provider that does not know what they doing.The insurance has phoned and followed up but send the same contractors back to me that replaced two parts on the geyser now instead of having a lot of hot water spilling on the roof I have no hot water and have not been able to bath myself or kids for two day as the ice cold water in this weather will make us sick please just sort this out send someone that knows what they doing