This can effectively repel all the residing bats at your place.
Leaving lights on in attic will deter bats.
Some of them do fly as much as a 50 kilometer distance in search of food.
If not run an extension cord upstairs to your attic and turn on floodlights or work lights in an area away from flammable material.
As mentioned earlier bats are not able to see clearly in light and they will be picked on easily.
If you live in an area with mild temperatures throughout the year the bats will stay year round.
Bats tend to find a roosting spot and stick with it especially while raising their young.
These all seem like perfectly viable options and to some degree they are.
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.
It would seem to make sense that if you were using this it would keep them away.
Bats favor dark quiet hideouts and have an aversion to lots of light and commotion.
Take the whole bright lights and loud noises theory as an example.
They prefer to be away from light so shining a bright light into the night would keep them away as well.
It s a really great idea in theory.
When the lights do not deter them for about a week you could use some additional lights to face your.
Use your porch lights to deter the bats.
Bats generally like a quiet dark place where they can rest peacefully so when you turn the front porch light on it disturbs them and makes them shift to a different habitat.
After this method you will see no more bats coming in your way.
Try leaving a light on in the attic or another area you think bats might be inhabiting.
However the daylight is not the only light which affects bats.
The main reason why bats will avoid light is predator avoidance.
If your attic has an electrical outlet all the better.
For a two pronged approach you might also invest in a white noise machine and leave it running overnight to double your chances of scaring them off.
They are also affected by any bright light including street lights.
Turn your porch light on.
You need to light the room at daytime when the bats are sleeping.
If you were to go into a dark room where bats were roosting such as in the attic and then turn the lights on there s a good chance that all the bats in there would fly off into the sunset never to be seen again.
So some of these remedies such as moth balls chemicals ultrasonic sound and rapidly blinking lights simply won t be enough to convince the bats to leave their safe and comfortable nesting space.
Bright lights or strobe lights.
Bats are nocturnal animals therefore not liking the disruption of light or sound.
Bats will hibernate in the winter if the temperature stays at around 35 to 40 f.