Originally Posted by cwf
There is also a drip tube from the Fridge ... it carries condensate from fridge area so it doesn’t pool in the fridge. There is a trough under the fridge internal coil... if those coils dripping.. that’s your water.
If not then AC.
The fridge drain tube usually terminates in the compartment behind the fridge, where there are scuppers that let water (including from rain or sprinklers) drain out of the compartment. The hose the OP has pictured is definitely from the roof ac.