Bat traps are used by scientists to capture and study bats. Some bat removal companies utilize bat traps to get bats out of homes. While, bat traps may be necessary, they should not be used as a matter of practive to remove bat colonies from homes.
There are many disadvantages of using bat traps to remove bats from homes. First, what do you do with the bats? Relocating them is not effective because they will fly back. Also, bats do not all exit a home on the same day. Bat traps must be inspected daily for captures and the bats removed from the traps.
Thankfully, there is a one way door system that is the standard accross the country and is very effective.