AIRCARE H12-400HB Whole House Digital Humidifier

By: AIRCARE Essick Air

$192.99 $169.99

Manufacturer Part # H12-400HB Our Item # IA3962

The AIRCARE Alliance Whole House Humidifier H12-400HB is an evaporative cool mist humidifier featuring an 11 gallon output for rooms up to 2500 sq ft. The digital humidistat helps maintain your desired humidity level with digital accuracy, and its 2.5 gallon water bottle empties into a 2.9 gallon reservoir providing a total unit capacity of 5.4 gallons. The H12400HB also features a high output evaporative wick which retains minerals, delivering clean, natural moisture into the air, and its 4 speed fan allows you to select your ideal performance level.

AIRCARE by Essick Air


  • Digital Humidistat automatically maintains your desired humidity level
  • Desired humidity can be set between 25% and 60% in 5% increments (continuous always-on mode when set to 65%)
  • 4 fan speeds allows you to select your ideal performance level
  • Automatically shuts off when desired humidity level is reached or when unit is empty
  • Digital readout displays actual humidity level, desired humidity level or fan speed
  • Easy to clean: Removable power pack simplifies cleaning, and evaporative Super-Wick traps mineral deposits
  • Easy to fill: Removable 2.5 gallon water bottle lifts out for easy filling at your sink with fill hose (included)
  • Absolutely No White Dust: Super-Wick traps all minerals and impurities from the water, delivering 100% clean and invisible evaporated moisture
  • Refill indicator shows when bottle needs refilling
  • Easy-roll casters for portability from room to room as needed
  • Check filter indicator
  • Built in the USA (of domestic and imported parts)
  • Two-year limited warranty


  • Humidifier Type: Cool mist evaporative
  • Daily Output: up to 11.83 gallons
  • Room Size: up to 2500 sq ft
  • Water Capacity: 5.4 gallons (2.5 gallon water bottle coupled with 2.9 gallon reservoir)
  • Maximum run time: up to 45 hours per fill (on low speed)
  • Fan Speeds: 4
  • Dimensions: 21.75" L X 13.75" D X 23.5" H
  • Weight: 20 lbs
  • Power Cord Length: 60"
  • Decibel Levels: 43-78 dB
  • Power: 120 V / 60 Hz; 1.0 Amps, 264 Watts, ETL Listed
  • Color: Oak Burl

What's Included:

  • H12400HB Humidifier
  • 1045 Super Wick
  • Product Manual
  • Set of four casters
  • Removable 2.5 Gallon Water Bottle
  • Bottle Cap
  • Water Bottle Fill Hose
  • Water Bottle Top Cover
  • Float Assembly¬†(Float Rod and Styrofoam Float)

Replacement Filters:

Manufacturer's Literature [PDF]:

Essick Air H12400-HB Product Manual

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