Aprilaire Model 400 Humidifier

Aprilaire 400 HumidifierNeed to maximize your humidity control with minimal water usage?  The Aprilaire Model 400 Humidifier is the solution for you. The Model 400 Humidifier is a drainless humidifier, featuring evaporative technology to minimize water use.

Gravity pulls water down, while the wicking action of the Water Panel® draws it back to the top, using 100% of the water delivered to the unit.

It is a whole-home solution that helps you achieve total comfort through humidity control. The Model 400 features a drain-free operation, eliminating standing water. This makes it the perfect choice for locations where a floor drain is not available, homes with septic systems, and homeowners interested in water conservation.



  • Minimal water usage
  • No drain required
  • No standing water
  • Delivers optimum levels of humidity control with the Automatic Digital Humidifier Control. You never have to monitor your settings or wait until you feel uncomfortable
  • Provides vital service, temperature and relative humidity indicators in manual mode as well
  • Humidifies tightly-constructed homes up to 4,000 square feet
  • Has an evaporation capacity of 0.70 gallons per hour

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Smart Move Home Comfort Solutions, Inc.


Interested in improving your indoor air quality?

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