The 5 Best Auto Filling Humidifiers of 2022 (Reviewed and Ranked)

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Every time winter approaches, many people have to deal with dry, harsh air that can cause asthma and allergies. One way to remedy these issues is to use a humidifier. Humidifiers work by adding moisture back into the air and reducing symptoms of asthma, allergies, and skin conditions such as dermatitis.

In this article, we want to focus on auto filling humidifiers. We’re going to review five of our favorite humidifiers and compare their features to help you make the best decision for your needs.

Best Auto Filling Humidifiers – Our Picks

The best humidifier helps relieve the dry skin, sore throats, and cracked lips that come with winter. It also can help keep your home from becoming a dust fog.

However, the problem of running out of water in humidifiers means you need to constantly refill the water tank, at least once a day. Luckily, it may no longer be an issue with the advent of auto filling humidifiers. These smart devices, similar to a thermostat, will detect when the water levels are too low and bring the water up to the highest point in order to keep the humidity at a steady level.

Here are 5 of the best auto filling humidifiers of 2022.

Aprilaire 500 Whole Home Humidifier

Aprilaire 500 Whole Home Humidifier, Automatic Compact Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 3,000 Sq. Ft., white
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the U.S.A. by Aprilaire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 3,000 square feet in tightly built homes with a capacity of 12 gallons per day
  • AUTOMATIC HUMIDIFIER with dual sensors to monitor and respond to both outdoor temperature and indoor relative humidity to deliver optimum humidity 24/7 throughout the home – simply set it and forget it

Affiliate links: Clicking the device names, images or check price buttons will redirect you to the product listing on the appropriate Amazon.com (.co.uk, .de, etc.)  / Image courtesy of Amazon

PROS
  • Great price
  • Great for small and mid-sized homes
  • Set it and forget it
CONS
  • Need to buy materials for the installation
  • Not so simple to install

For homeowners who are looking for a way to alleviate dry air and make it easier to breathe at home, the Aprilaire 500 Whole Home Humidifier is a great solution. This state-of-the-art humidifier system has been proven to reduce the possibility of respiratory illnesses by up to 50%.

In dry weather, the air can be too dry and can cause residents to experience nosebleeds and sore throats. The Aprilaire 500 Whole Home Humidifier is a solution that humidifies the air in your home, making it easier to breathe.

It is designed for homes up to 3,000 sq. ft. and can humidify up to 12 gallons of water per day. The Aprilaire 500 also has a dual sensor system that lets you monitor the humidity level in your home and control the fan speed for both cool and warm moist airflow.

The Aprilaire 500 delivers optimum humidity 24/7 throughout the home. Unlike other humidifiers, this unit has dual sensors to monitor and respond to both outdoor temperature and indoor relative humidity. You can set it up and forget about it.

Ideal-Air Industrial Grade Humidifier

Sale
Ideal-Air Industrial Grade Humidifier, 200 pint
  • This industrial Grade humidifier features a multi-directional fogging head and coverage is from 1,176 to 1,614 sq ft, depending on humidification requirements and ceiling height
  • Maximum output is 200 pints per day. It has an industrial-grade motor for years of use
  • Connects directly to your water supply with your own hookup (uses 1/4 in Tubing) and operates at 62 dba

Affiliate links: Clicking the device names, images or check price buttons will redirect you to the product listing on the appropriate Amazon.com (.co.uk, .de, etc.)  / Image courtesy of Amazon

PROS
  • Quality mist 
  • Volume with lower noise
  • Multi-directional fogging head
CONS
  • Expensive

The Ideal-Air Industrial Grade Humidifier is an excellent product for people living in dry environments. It helps to raise humidity levels in the air and can be set to a specific humidity level throughout the day depending on your needs.

This humidifier also features a multi-directional fogging head and has a coverage area of up to 1,614 square feet. It connects directly to your water supply so there’s no need for you to have a constant supply of distilled water on hand.

The Ideal-Air unit even has an antimicrobial microfilter that helps reduce bacteria and odor in the air, ultimately improving your overall quality of life.

Honeywell Home HE280A Whole House Humidifier

Sale
Honeywell Home HE280A Whole House Humidifier, White
  • Water-saving technology uses 30% less water than standard models
  • Easy mounting on either warm air supply or return air duct of any forced-air furnace
  • Flow through design helps keep unit clean of microorganisms and decreases the frequency of maintenance

Affiliate links: Clicking the device names, images or check price buttons will redirect you to the product listing on the appropriate Amazon.com (.co.uk, .de, etc.)  / Image courtesy of Amazon

PROS
  • Quality mist 
  • Excellent value
  • Best for smaller homes
  • Easy to install for handyman
CONS
  • Made of plastic

The Honeywell Home HE280A Humidifier is a whole house humidifier that uses 30% less water than a standard model and it has the ability to cover up to 4000 square feet. The HE280A is an ideal solution for those looking for convenience, flexibility, and efficiency in their home humidification.

The humidifier produces an ultra-fine mist that is invisible and discrete, so you won’t have to worry about it dirtying your furniture or carpet.

This device comes with two handles, an adjustable humidistat, an indicator light, an automatic shut-off, and a filter change reminder. The adjustable humidistat controller is a convenient way to set your desired humidity level and forget it. The unit turns on and off automatically to maintain your preset level.

Aprilaire 800 Whole Home Steam Humidifier

Aprilaire - 800Z 800 Whole Home Steam Humidifier, Automatic Steam Humidifier, Large Capacity Whole House Humidifier for Homes up to 6,200 Sq. Ft.
  • BUY WITH CONFIDENCE This high output steam humidifier was designed with electrode technology and manufactured in the U.S.A. by Aprilaire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 6,200 square feet in tightly built homes. Choose from 6 levels of output adding 11.5 to 34.6 gallons of moisture into the air per day based on voltage and installation
  • PURIFIED WATER NOT REQUIRED Electrode technology requires impurities in the water to promote the transfer of electricity. Water filtration is not recommended – minimizing installation complexity and operating costs

Affiliate links: Clicking the device names, images or check price buttons will redirect you to the product listing on the appropriate Amazon.com (.co.uk, .de, etc.)  / Image courtesy of Amazon

PROS
  • Quality
  • Best for a large house
  • Worth every penny
CONS
  • Installation can be a challenge

When humidity levels get too low, dry air can irritate your skin and make it feel tight. Too much humidity can also be a problem, leading to mold and mildew growth on surfaces.

The Aprilaire 800 adds moisture to dry air, alleviating the problems associated with both low-humidity and high-humidity levels in the home.

This unit has dual sensors to monitor and respond to both outdoor temperature and indoor relative humidity. Its performance is independent of air movement, making it great for homes with little to no airflow.

Aprilaire 800 can automatically adjust humidity levels throughout the home to provide comfortable conditions 24/7. Just set it, and it will take care of everything for you.

This humidifier is able to cover up to 6,200 square feet and comes with 6 levels of output that can add 11.5-34.6 gallons of moisture into the air per day. All these features make it an ideal product for people who want to keep their indoor environment comfortable and healthy.

The Aprilaire 800 whole home steam humidifier is great for any household but especially those in drier climates or who have allergies and asthma as it also features a filter designed with the best materials to reduce common allergens, bacteria, mold spores, and other air contaminants.

Aprilaire 700 Whole Home Humidifier

Aprilaire 700 Whole Home Humidifier, Automatic Fan Powered Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 4,200 Sq. Ft.
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the U.S.A. by Aprilaire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • BUILT-IN FAN pulls heated air directly from the furnace through the humidifier
  • FULL COVERAGE up to 4,200 square feet in tightly built homes with a capacity of 18 gallons per day

Affiliate links: Clicking the device names, images or check price buttons will redirect you to the product listing on the appropriate Amazon.com (.co.uk, .de, etc.)  / Image courtesy of Amazon

PROS
  • Quality
  • Best for a large house
  • Great price
CONS
  • Unit comes with minimum hardware

Aprilaire 700 is an air purifier, humidifier and dehumidifier all in one. This unit has a built-in humidity sensor that will maintain the ideal level of moisture in your home that you want. It also features a programmable 24-hour timer to control when it operates, as well as an evaporator frost protection system.

The Aprilaire 700 Whole Home Humidifier offers coverage up to 4,200 sq. ft., which means that it can be used in large and small homes, as well as areas of large businesses. It also has a capacity of 18 gallons per day, which ensures that it can provide humidity for an entire medium-sized home without having to empty the water tank frequently. The humidifier has a sleek design and is made with durable materials that resist corrosion, so you won’t need to worry about replacing it anytime soon.

This product is easy to install and maintain because it doesn’t require any hard plumbing or ductwork which could decrease the installation time drastically.

Auto Filling Humidifier – FAQs

Best Auto Filling Humidifier

If you are searching for a solution to the problem of dry indoor air, then an auto-filling humidifier is your answer. These devices automatically detect and fill the room with the right amount of humidity.

What is an Auto Filling Humidifier?

An Auto Filling Humidifier is a device that automatically detects when the water level in a humidifier is running low and refills it without the need for manual intervention.

This will save you a lot of time and frustration! Some humidifiers are designed for use in small rooms while others can be used in an entire home.

An auto filling humidifier is excellent for larger spaces, but there are many other options out there if you would prefer to keep your space small.

What Are The Types Of Auto Filling Humidifiers?

Humidifiers improve the air quality in homes by releasing moisture into the air. There are five main types of auto filling humidifiers categorized according to the mechanism they use to transform water into vapor or steam.

Central humidifiers – these machines are more expensive than regular stand-alone ones and are primarily purchased by homeowners that have a high indoor humidity problem. They’re also built into the central heating/cooling system so they’re capable of evenly distributing humidity throughout your house.

Ultrasonic humidifiers – this is a type of humidifier that can be very beneficial for people with respiratory problems. The high-frequency ultrasonic vibrations that they produce have an added benefit in the form of a cool mist, which is great for soothing irritated skin and nasal passages. These devices are also generally very quiet, so they’re a great option if you want to use them while sleeping or while watching

Steam vaporizers – this is a device that is used to add moisture to the air. It does this by heating water until it turns into steam and releasing it into the room.

Evaporators – a type of humidifier that use built-in fans to blow air. It does not require a heat source because it turns the liquid water into vapor by using high pressure and low temperature.

Impeller humidifiers – these units work by sending water into a spinning disc. This disc is then broken up into millions of tiny droplets that are distributed out into the surrounding air. These diffusers are also known as ultrasonic diffusers because of the sound that is made during the operation.

How Does a Humidifier Work?

A humidifier works by adding water to the air. It does so by using a pump to circulate water over a wick filter or through capillary action. This process creates steam that evaporates into the surrounding space, increasing humidity levels and making it easier for your body to breathe.

What Are Some Critical Considerations Before You Buy an Auto-Filling Humidifier

Humidifiers can make your home more comfortable and lower the risk of colds and flu. The best humidifier is one that suits your needs. The following are some considerations before you buy an auto-filling humidifier:

Size of the Room

In order to choose the best humidifier for your needs, you must first understand the size of the humidifier and its impact on performance. Determining your specific requirements is key to finding the perfect humidifier for you.

And the factors such as room size and the desired humidity level will definitely determine the appropriate size of humidifier needed.

There are different humidifier sizes designed to address different humidification needs. A room ranging from 150-350 cubic meters (4,500 – 12,000 sq. ft.) would need a large size humidifier to provide sufficient humidity levels for the area.

Tank Capacity

Running out of water in the middle of the night or in the daytime can be quite inconvenient at best and dangerous at worst. So make sure that you choose a humidifier with a tank capacity that is sufficient for your needs.

It is important to choose a humidifier with a tank capacity that is sufficient for your needs. A tank capacity of around 20 gallons should be enough for most homes. If you have pets or live in a dry climate, then you might want to consider one of the larger humidifiers.

Humidifier tanks come in various sizes and shapes. The size of the tank is listed as capacity which can be expressed either in ounces or milliliters. Some people use a higher capacity to cover a larger area but this will come at an increased cost and may be a waste of money if it doesn’t need to fill up throughout the day.

Mist Adjustment

For some people, the humidifier is a must-have appliance to help them sleep better, but others find that it just makes their allergies worse. The best way to control the amount of moisture your humidifier releases into your environment is by making sure it has a mist adjustment button or knob.

Making sure that your humidifier has a mist adjustment button or knob is the best way to control the amount of moisture it releases into your environment. This will help you to maintain your desired level of humidity and avoid over-humidifying your space.

Conclusion

Humidifiers are an important part of our wellness. Especially in winter, when the heating systems in our homes dry up the air, we need humidifiers to protect us from respiratory problems.

They are also crucial tools for those who suffer from respiratory problems like asthma and sinusitis. They work by adding moisture to the air and relieving dryness and irritation caused by colds and flu. Humidifiers also help with congestion, sinuses, and allergies.

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