After evaluating several bat box designs against published standards and owner feedback, weโ€™re confident in our recommendations for attracting these beneficial creatures. A well-placed bat house can help control insect populations, but only if it meets batsโ€™ needs for warmth, safety, and easy access. We looked for sturdy construction, appropriate chamber sizes, and proper ventilation. Our picks include single and multi-chamber options to suit different bat species and climates. Here are our top choices based on our hands-on evaluation.