Use screws to connect the unit’s flange into the sash. Utilizing further screws, attach an L-shaped bracket to connect The underside window sash to the best window sash. This may stop the window from accidentally opening. Be sure to see HomeAdvisor's Terms and Conditions for more comprehensive information on our https://air-conditioner-installat42074.amoblog.com/air-conditioner-installation-things-to-know-before-you-buy-51441751