What will keep them from putting holes in siding? No bug infestation.
Well, you're dealing with an animal that has a 'bird brain'...(excuse the pun)
Woopeckers peck for 3 reasons.
Hole/nesting
Announcing dominance /territory (spring)
Food/insects.
So...
Give it something it wants ! And that is a peanut flavored suet cake and even shell peanuts in a feeder
as close to the damage as possible ! I use a 6-8 foot tall 'shepherd's hook' and a feeder.
The bird will go to the food source and leave the house alone.
Sounds too simple..reread the first line!
LT