Fix Brivis Climate System (MX30)

Brien requested 3 quotes from Heating Professionals in Glen Iris

Can't switch from cooling to heating via the Brivis NC30 controller due to an unknown issue. Can't seem to be able to reset the controller either.

DISCONNECTION OF HEATING.
DISCONNECTION OF HEATING.

DISCONNECT VULCAN 15 YEARS OLD OUTDOOR UNIT
DISCONNECT VULCAN 15 YEARS OLD OUTDOOR UNIT

Vulcan central heating service
Vulcan heater unit service (if necessary), duct clean and repair (definitely)

Repair fan in gas ducted heating system
the fan on my heating system will not go off - it stays on after the burner...