Do not let the leak from the cold room is equipped with air conditioning,Check the weather and the inability of the leaks by the door, wall, ceiling.Optical cavity and close the door every time air conditioning.
Do not let the cool outflow from the installation or the air. Check and leaks along the walls, ceiling, doors, light box and closed the door every time you turn on air conditioning.
Don't let the cold leaked from the room installed air conditioning air Monitoring and leak along the wall, ceiling, door window and a door, every time you turn on the air conditioning.