If you're wondering what size the drain hose is on your Insignia air conditioner, you've come to the right place. The drain hose is an essential component of any portable AC unit as it helps remove excess moisture from the air, keeping your living space cool and comfortable. The Insignia air conditioner comes equipped with a standard drain hose that measures approximately 1/2 inch in diameter. This size allows for efficient water drainage without any blockages or leaks. Additionally, the standard 1/2 inch drain hose on the Insignia air conditioner offers plenty of versatility when it comes to installation. You can easily connect it to a nearby drain pipe or basin, ensuring the condensed water flows away from your room or office space effectively. It's worth noting that while the Insignia air conditioner does come with a pre-installed drain hose, you can also purchase longer hoses if needed for specific installation requirements.