Aprilaire 400 Humidifier – Whole House with Auto Digital Control, 0.7 Gallons per hour

To keep your indoor air moistened at all times, the Aprilaire 400 Humidifier is one of the most reliable options. Not like other competitor’s brands, it is designed with a working mechanism which has the capacity to extract water vapor from the environment and return it back into the air. The 400 Aprilaire delivers a strong performance, thanks to its features. This unit is ideal for those living in apartments or homes of up to 4,000 sq ft. If your air feels a little dry, this might be the choice for you. Before you make a decision, take the time to learn a little more about it.

Aprilaire 400 Humidifier – Whole House w/ Auto Digital Control, 0.7 Gallons/hr

Below are the Features Aprilaire 400 Humidifier to know:


It is built to support homes of about 4,000 square feet. The air circulating in a house with this size will be adequately dampened by running this humidifier, thanks to its wide coverage effects and performance. It also has the capability of releasing up to 0.7 gallons of water per hour. With this operation mode, you’ll never notice dry air again.

Multiple functions

Having this air humidifier solves two problems. It will not only moisten your indoor air but also help by recycling and purifying the water in the air so that it will be free from germs and other bacteria. In other words, it refines the quality of the air in your home. This unit also solves the problem of homes without drains.


The ease to use feature makes this product stand out among other competitive models. Firstly, you don’t have to bother about maintenance and repairs because the unit requires little-to-no maintenance. You should have the unit inspected after 500 hours of use. Areas to look out for during inspection are the water supply line and plumbing for cracks and leaks. Fix any plumbing dislocations that need to be amended and consider changing the water panel on the machine once every year. The Aprilaire 400 humidifier is an automatic, digitally regulated system. Once you run the humidifier, it will be able to regulate itself. It features a thermostat that helps to regulate the humidity level in the home.


  • It is very easy to install.
  • It consumes less water and energy.
  • Impressive performance.


  • Installation of the unit should be done by a professional if you want to enjoy the warranty benefits.

Final words

The Aprilaire 400 Humidifier is easy to set up and even easier to operate. If you are facing dry air challenges in your home, this unit may be the perfect solution.

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