In the wild, bats are harmless as long as they are left alone but when bats start hanging around the home, it would be important to use an effective bat deterrent for a number of reasons. Keep in mind that bats are unfortunately a very misunderstood animal that play an important part of the ecosystem. For this reason, when trying to get rid of bats the best solution is always one that protects the bats while getting them away from the home.