This water-saver model is 100% efficient with its ability to convert water into comfort-enhancing relief from dry, heated indoor air. It’s a value-add to your heating system as well, relying on the furnace or fan coil blower to deliver moisture vapor throughout your home. With the ability to deliver up to 17 gallons of moisture a day, it helps provide whole-home comfort by reducing the effects of dryness including static, sore throats, dry skin and sinuses.