Use screws to attach the unit’s flange on the sash. Applying supplemental screws, connect an L-formed bracket to connect the bottom window sash to the top window sash. This will likely reduce the window from unintentionally opening. Search to determine what type of window you have. Window air conditioners in https://air-conditioner-installat75297.ltfblog.com/28912748/top-guidelines-of-air-conditioner-installation