Standard Features - Whole-Home Comfort for All - The versatile design of TrueEASE humidifiers allows for installation in every home, including townhomes and codos where it once was impossible. - Eco-Friendly - TrueEASE says goodbye waste and hello efficiency by automatically monitoring the dryness in your home, and only running water and air through the system when humidity is needed - saving up to 10,000 (model and system dependent) gallons of water per year. - Reduced Heating Bills - In addition to keeping your home and family comfortable, TrueEASE can help reduce heating bills. Because humidified air feels warmer, you'll be able to turn your thermostat down for energy savings. - Out of Sight, Out of Mind - TrueEASE is installed out-of-sight by your heating and cooling professional into your home's central heating and cooling system. You can forget about having to fill clunky, portable units, because TrueEASE automatically fills itself. - Simple Maintenance - User-friendly pad access makes mainteneance and upkeep easier than ever, which leads to sustained, long-term comfort - Models: HE100, HE200, HE150, HE250, HE300 - 5-Year Warranty