- ResidentialKS and MO HVAC
- Residential Services
- Air Conditioners
- Heat Pumps
- Air Handlers
- Air Cleaners
- Residential Water Heaters
- Residential FAQ's
- Lennox Approved Financing
- CommercialHVAC Services
- Water ProductsWater Tech Dealer
- HVAC CouponsRebates
- HVAC BlogHVAC Library
- Contact UsService Request
- Online StoreCovers/Filters
Aprilaire Model 400 Whole-House Humidifier
Need to maximize your humidity control with minimal water? Choose the Model 400 with automatic digital control.The Aprilaire Model 400 Whole-House Humidifier features a built-in bypass damper and utilizes new 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.
Aprilaire: Model 400 Whole-House Humidifier
Features and Benefits
- Features truly automatic control
- Eliminates standing water, making it the perfect choice for homes with septic systems, locations where a floor drain is not available or families interested in water conservation
- Has an evaporation capacity of 0.70 gallons per hour
- Humidifies tightly-constructed homes up to a 4,000 square foot in size.
The Aprilaire Model 400 Whole-House Humidifier is the newest addition to the extensive line of Aprilaire Humidifiers and may be the perfect solution for your home. For some homes, a manual control may be recommended. The Aprilaire digital control can be used in manual mode while still providing vital service, temperature and relative humidity indicators.