There is no good product on the market that really works for bat prevention. Some people will buy cheap and gimmicky devices that don't work, and some people, with good intentions, even buy expensive bat houses in the hopes of keeping away bats, but these tactics don't work. If you have a bat problem that you need to get rid of, the best bet is to hire a pro. This is not usually a good field for amateurs, so if you need such services, it might be best to call a professional from the linked list of nationwide pros. Unfortunately, there's no good product or bat repellant to keep bats away. Taking care of a bat problem requires professional work - both professional bat exclusion and professional bat prevention.
AAAnimal Control is a professional nuisance wildlife control company. It is my goal to provide information so that you can solve your bat problem in an effective and responsible manner. Wildlife services include animal trapping, capture & removal, plus animal damage repairs and preventative measures. You can always browse this site for more details and info about bat removal. If you live elsewhere in the US and have found this site and need a local trapper in your area, click here for a nationwide list of 100's of professional bat removal experts.