Killing them is both inhumane and will create an unlivable environment due to the smell of a colony of decaying bats.
How to remove bats house attic.
Use a vacuum first to suck up all of the loose droppings decomposing bat bodies and any other materials.
Accept you may have to live with bats.
Spray enzyme deodorizer photo by heather smith macisaac with the old insulation completely removed neal uses a hand pumped sprayer to apply d molish now an organic stain cleaner and odor remover where the bat guano was most concentrated.
Then install an excluder or a one way door over the remaining hole.
Entry points can be sealed off with caulk screens or other sealants.
To get them out identify their entry and exit points making sure not to seal them while the bats are inside.
To properly remove the bat droppings and debris.
How to get a bat out of the house.
Bats will hibernate in the winter if the temperature stays at around 35 to 40 f.
Enzymes in the formula digest the source of the odor.
How to remove bats from attic.
You can purchase a bat house online in stores or easily create one on your own with simple cheap materials.
If you find bats living in your house it is best to call the national bat helpline for advice.
Attracting bats to your property may sound like the last thing you would want to do but giving them a viable option outside of your home is actually a much better solution than dealing with attic bats or any type of removal process.
Easy steps to remove bats in the roof and keep them out.
Afterward you will need to scrub the area with an enzyme based cleaner.
To gradually exclude bats from your home start by closing off every entry point you have found except for what seems to be the primary entrance.