Great when they work. A lot less hassle then they once were. At the end of the day the water maker is another electric motor trying to survive in a harsh marine environment. As more boat builders create a cool space that is mostly free from salt water we will see more of them. Two redundant water makers with smaller tanks would lighten up many of these boats with smaller tanks and even more space for condo like living. 200 gallons of filled water tanks is over 2,000 lbs.