For some people, a small humidifier just doesn’t cut it. If you live in a large space, it is relatively cheaper to buy a whole-house humidifier than it is to get a medium humidifier for each room, unless you live with babies or elderly ones who have special humidity needs. The AirCare H12-400HB is a great pick if you need to use one whole-house humidifier to keep the atmosphere of your space humid and healthy. The first plus is that AirCare is a trusted brand that has been producing air care products since 1979, so they have experience in the industry and their range of innovative air solutions is proof.

However, that’s not enough reason to decide that their product is best for your needs, as air care is subjective and one humidifier does not always work for all. Keep reading to find out detailed specs of the Aircare whole house humidifier in review, so you can decide if it is the one you’ve been looking for.

AirCare H12-400HB Smart Humidifier for Large Homes

AIRCARE H12-400HB Whole-House Console-Style Evaporative Humidifier Review

The AirCare H12-400HB can humidify spaces as large as 3700 square feet, so if you have a big house and you’d rather have one unit do the work, this is a good fit. The unit dispenses up to 12 gallons of moisture per day and features a 4-speed humidity dial that lets you choose how dense you’d like the output to be.

To keep its operation as convenient as possible, the humidifier also possesses an in-built humidistat that maintains the atmospheric humidity at a level that you set. It is also very intuitive and will turn itself off when the house is adequately humidified, only to restart when the humidity drops above the preferred level.

There is a digital display that keeps all current stats visible so you can keep track of humidity levels at all times and adjust to your preference if the output is not suitable.

Evaporative Humidifier for Kids and Pets


The AirCare H12-400HB is an evaporative humidifier, so it does not need to heat the water before turning it into a mist. While that means you do not get any warm mist for the dry seasons, it also means that you do not have any warm/hot surfaces that may be harmful to kids or pets. So, if you have a rambunctious toddler or a hyperactive pet, you should consider this humidifier.

Also, the evaporative nature of this humidifier makes it ideal for people who have allergies or asthma. Generally, it has been scientifically proven that illnesses thrive when atmospheric humidity in a space is not up to 35%-45%. Have you ever complained about dry skin, itchy skin and throat or a bleeding nose? Optimal humidity can solve these problems. If you have leather furniture that cracks too, that may be because your air is too dry. 

Overall, the AirCare H12-400HB is perfect for you if you have a large house, have kids and/or pets, and would like to keep your space nice and humid.

Our + for this
  • Large coverage for whole house
  • Low maintenance
  • Ideal for pets and kids
  • Helps fend off allergies
Our minus for this
  • Console style not endearing to some
  • Filters accumulate dust quickly

Wrapping It Up

The AirCare H12-400HB has been looked into this review and the features well discussed. For instance, we saw that it is a perfect unit for large rooms or a whole house up to 3,700 square feet. Besides, your home humidity is maintained via automatic humidity control shut-off and auto restart. We believe, this is a good choice of an evaporative humidity control device for those searching for one. 

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