We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy

10 Best Humidifiers For Furnace 2025 in the United States

How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

headphones-stars

Our Top Picks

#1

Winner

AprilAire 800 Whole-House Steam Humidifier, Automatic Steam Humidifier, Large Capacity Whole-House Humidifier for Homes up to 10,300 Sq. Ft., White

Rating
9.9
Chosen by1,303
Type of Humidifier
Noise Level

Most important from
45 reviews

Type of Humidifier
Good steam humidifier. My house is 2,200 sqft, I set up 11.5 AMP and 240V and it’s working great.
Noise Level
If you could hear the sizzling sound, it means it's actually spraying a good amount of steam. The sound is very clear and noticeable!

The AprilAire 800 Whole-House Steam Humidifier is a robust unit designed for large homes up to 10,300 sq. ft., making it suitable for those needing extensive coverage. Its electrode technology allows it to function without purified water, simplifying maintenance and reducing costs. The humidifier is automatic, using dual sensors to monitor both indoor and outdoor conditions, ensuring optimal humidity levels around the clock. This can be particularly beneficial for health, potentially reducing respiratory issues and preserving household items sensitive to humidity changes.

The unit offers adjustable humidity control, a digital display, auto shut-off, and a service filter indicator, adding convenience for the user. However, assembly is required, which might be a downside for some. With a capacity to add between 11.5 to 34.6 gallons of moisture per day, depending on voltage and installation, it's a versatile choice. This unit is relatively heavy at 23 pounds, which might be a consideration for installation.

The AprilAire 800 is well-suited for large homes and those who prioritize low-maintenance and automated operations.

Rating
9.9
Chosen by1,303
Type of Humidifier
Noise Level

Most important from
45 reviews

Type of Humidifier
Good steam humidifier. My house is 2,200 sqft, I set up 11.5 AMP and 240V and it’s working great.
Noise Level
If you could hear the sizzling sound, it means it's actually spraying a good amount of steam. The sound is very clear and noticeable!
#2

Honeywell HM750A1000 Electrode Steam Humidifier

Rating
9.8
Energy Efficiency

Most important from
106 reviews

Energy Efficiency
The humidifier's efficiency allows for lower settings while maintaining optimal humidity, integrating well with smart thermostats like Nest.

The Honeywell HM750A1000 Electrode Steam Humidifier stands out as a versatile option that can be either duct- or wall-mounted, which makes it suitable for various installation setups. Its small footprint ensures that it is easy to install, even by a single person, which can be a significant advantage for those looking to avoid complex installation processes.

The pre-mineralized cylinder feature ensures quicker startup and checkout times, enhancing convenience and efficiency from the get-go. This humidifier operates automatically and uses a demineralization cartridge to maintain the quality of the steam, which can help minimize maintenance needs over time. Additionally, its touch control feature adds a layer of modern convenience.

The Honeywell HM750A1000 is ideal for users looking for a flexible and easy-to-install humidifier with automatic operation and modern controls.

Rating
9.8
Energy Efficiency

Most important from
106 reviews

Energy Efficiency
The humidifier's efficiency allows for lower settings while maintaining optimal humidity, integrating well with smart thermostats like Nest.
#3

AprilAire 720MKZ Whole-House Fan-Powered Evaporative Humidifier – 21 GPD, Water Saving, Manual Control, Installation Kit, for up to 6,250 Sq. Ft., Part of the AprilAire Healthy Air System

Rating
9.7
Energy Efficiency

Most important from
842 reviews

Energy Efficiency
The unit is highly efficient, significantly reducing heating costs by allowing the thermostat to be set 2-3 degrees lower.

The AprilAire 720MKZ Whole-House Fan-Powered Evaporative Humidifier is designed to deliver extensive humidification for large homes up to 6,250 square feet. One of its standout features is its impressive capacity, providing up to 21 gallons of humidification per day, making it well-suited for larger spaces. Additionally, it boasts superior water efficiency, using 60% less wastewater compared to its predecessor, the AprilAire 700, due to its innovative recirculation valve. This feature not only makes it more sustainable but also improves performance.

Maintenance is simplified with the one-piece HydroCore water panel cartridge, which is easy to replace annually. The manual control is straightforward and can be mounted on the duct or wall, allowing for easy monitoring and adjustments. However, it may not offer the advanced convenience of digital controls. The humidifier is designed for flexibility and ease of installation, featuring a reversible design that accommodates various furnace configurations, including tight spaces.

It also includes features like a catch-all drain to minimize leaks and a 5-year warranty, providing peace of mind. On the downside, the manual control may not appeal to those seeking more automated or smart home-compatible options. Additionally, while the product is noted for its quiet operation, the actual noise level is not specified, which could be a consideration for noise-sensitive users. The AprilAire 720MKZ is an excellent choice for homeowners with large spaces looking for efficient and reliable humidification with straightforward maintenance.

Rating
9.7
Energy Efficiency

Most important from
842 reviews

Energy Efficiency
The unit is highly efficient, significantly reducing heating costs by allowing the thermostat to be set 2-3 degrees lower.

Buying Guide for the Best Humidifiers For Furnace

Choosing the right humidifier for your furnace is essential to maintain a comfortable and healthy indoor environment. A furnace humidifier helps to add moisture to the air, which can prevent dryness that can cause irritation in many parts of the body. It can also help to alleviate symptoms from the common cold or flu. When selecting a humidifier, it's important to consider several key specifications to ensure you get the best fit for your needs.
CapacityCapacity refers to the amount of moisture a humidifier can add to the air in a given time, usually measured in gallons per day. This is important because it determines how effectively the humidifier can maintain the desired humidity level in your home. For small to medium-sized homes, a humidifier with a capacity of 10-12 gallons per day may be sufficient. For larger homes, you might need a unit with a capacity of 15-18 gallons per day or more. Consider the size of your home and the typical humidity levels in your area when choosing the right capacity.
Type of HumidifierThere are different types of furnace humidifiers, including bypass, fan-powered, and steam humidifiers. Bypass humidifiers use the furnace's blower motor to push air through a water panel, adding moisture to the air. Fan-powered humidifiers have their own fan to move air through the water panel, making them more efficient but also more expensive. Steam humidifiers boil water to create steam, which is then distributed through the ductwork. They are the most effective but also the most costly and complex to install. Choose the type based on your efficiency needs, budget, and willingness to handle installation complexity.
Control OptionsControl options refer to how you can adjust and monitor the humidity levels in your home. Basic models may have manual controls, while more advanced models offer digital controls and even smart home integration. Digital controls allow for more precise humidity settings and can include features like automatic adjustments based on outdoor temperature. Smart home integration can provide remote control and monitoring via smartphone apps. If you prefer convenience and precision, opt for a model with advanced control options.
Maintenance RequirementsMaintenance requirements include the frequency and ease of cleaning and replacing parts like water panels or filters. Regular maintenance is crucial to ensure the humidifier operates efficiently and to prevent mold or bacteria growth. Some models have easy-to-access parts and require less frequent maintenance, while others may need more regular attention. Consider how much time and effort you are willing to invest in maintaining your humidifier when making your choice.
Noise LevelNoise level is an important consideration, especially if the humidifier is located near living or sleeping areas. Some humidifiers operate more quietly than others, which can be a significant factor for maintaining a peaceful home environment. Fan-powered and steam humidifiers tend to be noisier than bypass models. If noise is a concern for you, look for models that are specifically designed to operate quietly.
Energy EfficiencyEnergy efficiency refers to how much electricity the humidifier uses to operate. More efficient models will use less energy, which can save you money on your utility bills and reduce your environmental footprint. Look for models with energy-saving features or certifications that indicate higher efficiency. If you are environmentally conscious or looking to reduce energy costs, prioritize energy-efficient models.

FAQ

Most Popular Categories Right Now