If your attic is very warm or if you live in an area that is warm all year the bats will never leave except to go out each night to feed.
Do bats harm your attic.
If you have bats in your home visit your state s dec webpage to find numbers for local offices to follow up on laws in your state.
It depends on many factors such as the length of time the bats have been in the attic and the number of bats.
If you live in an area that is colder seasonally the bats may migrate for the winter but they will return when the weather warms up again.
If it gets colder than that the bats in the attic will migrate out allowing you to seal up cracks and other entry points once they leave for the season.
Bats are good animals gentle and beneficial to the environment.
They eat a lot of insects which people seem to like.
Bat skin secretes an oil that rubs off on the walls of your attic leaving a tell tale sign that you have unwanted guests.
Read more about all the ways that bats can cause damage in your attic.
It s important to get guano cleaned up to prevent further damage.
Remember it s important not to harm bats.
Bat colonies can leave stains on the sides of your home and serious accumulation of droppings in your attic.
Bats can also cause severe property damage through their droppings and their claws.
Many bat problems happen when the young start to crawl around and fly and sometimes the inexperienced young crawl down into the house.
Otherwise they migrate and return each spring.
If the attic is warm enough year round.
Over time this can cause your home s roof support beams to rot leading to expensive repairs or even a caved in ceiling.
Harming bats is illegal in most states according to the dec 4.
Bats can cause considerable damage in the attic.
Guano has a strong odor and besides that it can cause secondary issues such as mold fungus and bug infestation.