You would have to get a licenced contractor to come look at it to determine that...there is really no way to find out on your own.
Strong enough to blow down a house of sticks but not strong enough to blow down a house of bricks.
The air handler in a house with an attic should be located in the attic space to efficiently distribute heated or cooled air throughout the house.
Attic joists in a house's construction provide structural support for the attic floor and help distribute the weight of the roof and any stored items in the attic evenly across the walls and foundation of the house.
No
A hole the size of a quarter is plenty big enough to allow entrance to a bat.
Not enough ventilation. Moisture from inside the house is condensing on the underneath side of the roof.
On a house in the attic
There are some strange noises coming from the attic.
The Weasleys had a "house ghost" that lived in their attic.
An attic.
The attic
It is the attic space of a house!