Thank you for your question. In general, bat houses should be:
•Attached at least 15 feet high
•Free from obstructions with at least 20 feet of open space
•Facing southeast to gain exposure to sunlight
Where you mount your bat house plays an important role in whether it will be occupied. Bats like warm conditions. The placement of your bat house plays a major role on its internal temperature. Bat houses can be placed on buildings such as the side of a house or a garage. They can also be mounted to a pole. Attaching a bat house to a tall tree is another option; however, studies have shown that bat houses placed on trees are less likely to be occupied than those on a building or pole.
The place you choose to attach your bat house should be free from obstructions with at least 20 feet of open space. This will allow the bats to locate the house and easily fly in and out of it.
In order to provide a secure and undisturbed roosting location, bat houses should be placed at least 15 feet high. At this height, the bat house will also be exposed to more sunlight throughout the day, especially if it is facing southeast to take advantage of the morning sunlight.
•If you live in a Northern state or Canada, keep in mind that bat houses need to receive at least 6 to 8 hours of direct sunlight. You may wish to paint the house black to absorb plenty of heat (use a water-based nontoxic, latex paint).
•If you live in a Southern state, you may want to place the bat house in direct sun but unpainted.
•If you live in an extreme southern area, you may want to paint the bat house white to reflect the heat.
The Single Chamber, for up to 100 bats, is great for urban areas or houses with backyards. The larger Triple Chamber, with room for up to 300 bats, is ideal for larger acreage. We do recommend purchasing multiple chambers and installing them in different areas to have the highest chance of bats choosing to roost in them. We would recommend spacing them at least 20 feet apart to give the bats plenty of room for entering and exiting the bat houses.