The council say there would be no redundancies and that the new system would guarantee a minimum of 12 immediately-available firefighters for 12 hours a day, every day.
Throughout national Chimney Fire Safety Week the Isle of Wight Fire and Rescue Service will be sharing safety advice to raise awareness of the risks that poorly maintained flues and chimneys can pose.
Island Labour say the issue comes down to a matter of trust. "Who do you trust to have your best interests at heart when it comes to ensuring we have the fire service we need?"
The cost of implementing the Combined Fire Authority will be taken from the "transformation budget" and should see a £5m investment within the next five years says the council.