Use screws to attach the device’s flange for the sash. Employing further screws, attach an L-shaped bracket to attach the bottom window sash to the top window sash. This could avert the window from accidentally opening. I would also suggest covering your AC condenser to the Wintertime to shield it https://angelolnmjg.is-blog.com/35882266/not-known-details-about-air-conditioner-installation