The Misty water vapor fireplace uses a straightforward and efficient water refilling system. Simply remove the tank, fill it with filtered or distilled water, and then reinsert it back into the fireplace. This convenient feature allows for quick and easy refills, ensuring you can enjoy the continuous and uninterrupted beauty of the flame effect with minimal effort. The hassle-free process enhances the practicality of Misty, making it an ideal, low-maintenance addition to any house.