No more hot air entering - Window Seal prevents hot air from entering the portable air conditioning hose by locking the hose between the window frame and the window. Our window seals create a “closed environment” that keeps your room cooler Improve cooling performance - Seal the open door, then tighten along the hose nozzle to stop hot air from flowing back in, so your portable AC unit can cool your room more efficiently and in less timeReduce energy consumption - love the planet! This door seal helps reduce energy consumption and CO2 emissions, which are especially high in the summer due to heavy use of air conditioning. The door seal prevents hot air from circulating through the room, helping you save money on your electricity billEasy to install - no drilling required. Simply attach the hook and loop strip to the inside of the door frame and to the door itself. Apply the door seal to the hook-and-loop tape. Then, open the zipper on the door seal and place the A/C hose on the
