Use screws to attach the device’s flange to your sash. Making use of supplemental screws, attach an L-shaped bracket to attach The underside window sash to the best window sash. This may stop the window from accidentally opening. Check the electrical wiring within the outdoor device. Take out the quilt https://air-conditioner-installat31852.eedblog.com/29633131/air-conditioner-installation-an-overview