Ultra Aire Series

Perfectly sized to deliver exceptional indoor air quality.


SKU: 4031957 Categories: ,

Water Removal

121 Pints/Day

15.12 gallons/day

For Spaces Up To


square feet


6 year


The Ultra Aire 120H Whole House Ventilating Dehumidifier features a horizontal configuration for any attic, basement, or crawl space installation.

The Ultra Aire 120H exceeds Department of Energy standards and is designed to deliver exceptional indoor air quality by providing dedicated moisture control, fresh air mechanical ventilation and superior air filtration to the entire home. The unit features an extremely well-insulated, compact horizontal cabinet for the ultimate in quiet operation.

Optional fresh outdoor air may be ducted to the unit via a six-inch round duct. This provides fresh air to dilute indoor pollutants and maintain high oxygen content in the air. The amount of fresh air ventilation can be regulated by a variety of dampers and controls.

The Ultra Aire 120H includes air filtration to improve indoor air quality. A MERV 13 media filter is standard.

Ideal Applications

  • Basements
  • Crawl spaces
  • Garages
  • Home theaters
  • Workshops
  • Gun rooms
  • Exercise rooms
  • New home
  • Whole home
  • Ventilation
  • Commercial


Removes up to 121 pints of water a day.

Energy Efficient

6.1 Pints/kWh.

Small Footprint

14 3/8″W x 21″H x 32 3/16″L


Provides superior air filtration.

Compact Horizontal Cabinet

For the ultimate in quiet operation.

Product Videos

Product Specifications

Part Number
Pint Capacity
121 Pints or 15.13 Gallons
840 Watts @ 80°F and 60% RH
Supply Voltage
115 volt – 1 Phase – 60 Hz
Current Draw
7.3 amps
Operating Temperature
49°F Min., 95°F Max. (Inlet Air Temperature)
34°F Min., 135°F Max. (Outside Cabinet)
Up to 3,000 Square Feet
Minimum Performance at

Water Removal

Minimum Performance at

Water Removal

80°F and 60% RH

121 Pints/Day
6.1 Pints/kWh

70°F and 60% RH

92 Pints/Day
5.3 Pints/kWh
Air Filter
MERV-13, Standard Filter Size 14″W x 17.5″H x 1.5″D
90% ASHRAE Dust Spot

Unit Without Collars
14.38″W x 21″H x 32.19″L

14.38”W x 21”H x 25.8”
Unit Weight
91 Lbs.
Shipping Weight
101 Lbs.