10 Best Aprilaire 500 Whole House Humidifier of 2026

Last updated on 04/10/2026
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Best Choice
1
9.8
Exceptional
AprilAire 300 Self-Contained Fan Powered Whole-House Humidifier, for Homes with Ducted Forced Air Furnace Systems, Boilers, Mini-Splits, Radiant Heat, and Other Ductless Systems up to 3,900 Sq. Ft.
Aprilaire

AprilAire 300 Self-Contained Fan Powered Whole-House Humidifier, for Homes with Ducted Forced Air Furnace Systems, Boilers, Mini-Splits, Radiant Heat, and Other Ductless Systems up to 3,900 Sq. Ft.

Why we love it
  • USA-made quality assurance.
  • Compatible with any heating system.
  • Promotes health and comfort.
Main Highlights
  • BUY WITH CONFIDENCE This whole-house humidifier was designed and manufactured in the USA. by AprilAire – the inventor of the whole-home evaporative humidifier, and the leader in indoor air quality solutions
  • FOR USE IN ANY HOME WITH ANY HEATING SYSTEM Can be used in homes with Mini-Splits, Boilers, Radiant Heat & Other Ductless Systems, as well as homes with ducted forced air furnaces
  • FULL COVERAGE up to 3,900 square feet in tightly built homes with a capacity of 13 gallons per day**
  • CONVENIENT DIGITAL CONTROL Onboard sensor inside the humidistat measures indoor relative humidity for use in manually setting the target humidity in your home
  • HUMIDITY FOR HEALTH Aprilaire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions.
9.8
Exceptional
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Best Value
2
9.8
Exceptional
AprilAire 700M Whole-House Fan Powered Humidifier, Manual Control, Large Capacity, Up to 5,300 Sq. Ft., 18GPD, Gray
Aprilaire

AprilAire 700M Whole-House Fan Powered Humidifier, Manual Control, Large Capacity, Up to 5,300 Sq. Ft., 18GPD, Gray

Why we love it
  • Designed in the USA.
  • Covers large spaces effectively.
  • Maintains optimal humidity levels.
Main Highlights
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the USA by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 5,300 square feet in tightly built homes with a capacity of 18 gallons per day
  • MANUAL HUMIDIFIER with a single sensor built into the standard control monitors indoor relative humidity for use in manually setting the percent humidity in your home
  • BUILT-IN FAN pulls heated air directly from the furnace through the humidifier
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% so you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
9.8
Exceptional
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3
9.6
Superb
Save 15%
AprilAire 620AKZ Whole-House, Large Bypass Evaporative Humidifier – 18 Gallons Per Day, Water Saving with Automatic Digital Control and Installation Kit for up to 5,300 Sq. Ft.
Aprilaire

AprilAire 620AKZ Whole-House, Large Bypass Evaporative Humidifier – 18 Gallons Per Day, Water Saving with Automatic Digital Control and Installation Kit for up to 5,300 Sq. Ft.

15% OffLimited time deal
Why we love it
  • Efficient water reuse saves resources.
  • Balanced humidity supports health.
  • Easy installation and maintenance.
Main Highlights
  • Included Installation Kit – The installation kit includes a 6" Round Duct Collar, 6" Round Flex Duct (2 ft.), push-to-connect adaptor, Water Supply Tube (25 ft.), Drain Tube (10 ft.), Hose Clamp, 18/2 Thermostat Wire (25 ft.), 18/2 Thermostat Wire (10 ft.), 18/5 Thermostat Wire (10 ft.), (4) Mounting Screws, (8) Hex Head Screws, and (4) Twist-On Wire Nut Connectors
  • Best-In-Class Performance and Efficiency* – Recycles water to minimize water usage while maintaining optimal panel saturation for increased output *Vs. leading competitors' UL rated bypass humidifiers of similar size with 6" duct opening
  • Superior Capacity – Delivers 18 gallons per day of humidification and balances humidity quicker than ever
  • 55% Less Waterwater* – Built with superior sustainability in mind. The innovative recirculation valve recycles water to deliver 3X more water across the panel*, while simultaneously reducing wastewater and saving up to 4,650 gallons of water per year^ *Compared to AprilAire 600 Humidifier ^Vs. previous AprilAire models at rated capacity for 5-month season
  • Humidity for Health – Achieve balanced humidity in the home which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria, viruses, fungi, and dust mites
  • Simple Maintenance – The one-piece disposable HydroCore water panel cartridge quickly pops in and out for fast replacement and is made with recycled plastic. Annual maintenance is now easier than ever.
  • Adjustable Damper Positions - New intermediate damper positions provide a simple solution to optimize air flow for high pressure systems
  • Easy Installation – Innovative design now allows for imperfect installation, up to 3 degrees out of level
  • Leak Prevention – All the surfaces of the unit are designed to funnel towards the catch all drain basin at the bottom of the unit to help prevent leaks
  • Reversible Design – The bypass module can be reconfigured to fit tight installs and optimize performance on any furnace configuration. Easily install with the bypass on the left (standard configuration) or right (reconfigured).
9.6
Superb
Save 15%
Limited time deal
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4
9.4
Superb
AprilAire 700M Whole-House Fan Powered Humidifier, Manual Control, Large Capacity, Up to 5,300 Sq. Ft., 18GPD, Gray
Aprilaire

AprilAire 700M Whole-House Fan Powered Humidifier, Manual Control, Large Capacity, Up to 5,300 Sq. Ft., 18GPD, Gray

Why we love it
  • Designed in the USA.
  • Covers large spaces effectively.
  • Maintains optimal humidity levels.
Main Highlights
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the USA by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 5,300 square feet in tightly built homes with a capacity of 18 gallons per day
  • MANUAL HUMIDIFIER with a single sensor built into the standard control monitors indoor relative humidity for use in manually setting the percent humidity in your home
  • BUILT-IN FAN pulls heated air directly from the furnace through the humidifier
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% so you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
9.4
Superb
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5
9.3
Superb
Save 14%
AprilAire 700 Whole-House Humidifier, Automatic Fan Powered Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,300 Sq. Ft., White
Aprilaire

AprilAire 700 Whole-House Humidifier, Automatic Fan Powered Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,300 Sq. Ft., White

14% Off
Why we love it
  • Designed and manufactured in USA.
  • Covers up to 5,300 square feet.
  • Maintains optimal humidity levels.
Main Highlights
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the USA by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 5,300 square feet in tightly built homes with a capacity of 18 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
  • BUILT-IN FAN pulls heated air directly from the furnace through the humidifier
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
9.3
Superb
Save 14%
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6
9.3
Superb
Save 7%
AprilAire 500M Whole-House Humidifier, Manual Compact Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 3,600 Sq. Ft., White
Aprilaire

AprilAire 500M Whole-House Humidifier, Manual Compact Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 3,600 Sq. Ft., White

7% Off
Why we love it
  • Designed by industry leaders.
  • Covers large spaces effectively.
  • Enhances indoor air quality.
Main Highlights
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the USA by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 3,600 square feet in tightly built homes with a capacity of 12 gallons per day
  • MANUAL HUMIDIFIER with a single sensor built into the standard control monitors indoor relative humidity for use in manually setting the percent humidity in your home
  • FEEL MORE COMFORTABLE while also preserving items in your home susceptible to damage from changing humidity or dry conditions
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
9.3
Superb
Save 7%
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7
9.2
Superb
AprilAire 500 Whole-House Humidifier, Automatic Compact Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 3,600 Sq. Ft., White
Aprilaire

AprilAire 500 Whole-House Humidifier, Automatic Compact Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 3,600 Sq. Ft., White

Why we love it
  • Designed for reliable performance.
  • Covers large spaces effortlessly.
  • Promotes health and comfort.
Main Highlights
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the USA by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 3,600 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
  • CONVENIENT DIGITAL CONTROL shows percent humidity, lights indicate humidifier is running, when to change the Water Panel, when service is needed, and Blower Activation switch sets humidifier to run continually, or only when the furnace runs
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
9.2
Superb
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8
9.1
Superb
AprilAire 500M 12-gal. Whole-House Small Bypass Evaporative Humidifier with Manual Control for up to 3,600 sq. ft. + AprilAire Model 5843 Humidifier Installation Kit
Aprilaire

AprilAire 500M 12-gal. Whole-House Small Bypass Evaporative Humidifier with Manual Control for up to 3,600 sq. ft. + AprilAire Model 5843 Humidifier Installation Kit

Why we love it
  • Balanced humidity for health benefits.
  • Effortless whole-house humidification solution.
  • Manual control for precise settings.
Main Highlights
  • BALANCED HUMIDITY FOR HEALTH AND HOME PRESERVATION – Help minimize the formation of bacteria, viruses, fungi, and dust mites that thrive in low humidity and help preserve wood floors, cabinetry, furnishings, and other items susceptible to dry air
  • WHOLE-HOUSE HUMIDIFICATION – Deliver 12 gallons of moisture per day in homes up to 3,600 sq. ft. with trouble-free performance and minimal maintenance. The water panel removes impurities before adding moisture to the air. Use genuine AprilAire 10 Water Panel for annual replacement
  • MANUAL CONTROL – The included Model 4655 Manual Humidistat monitors your home's air providing precise control and the onboard sensor actively measures the relative humidity throughout your home and turns on the humidifier when needed giving you peace of mind
  • INSTALLATION KIT – No need to find the parts yourself. This convenient bundle comes with all of the genuine AprilAire parts needed for installations in homes with ducted heating systems plus detailed installation instructions
  • BUY WITH CONFIDENCE – AprilAire Whole-House Humidifiers are designed and assembled in the USA using US and global components by AprilAire, the leader in Indoor Air Quality solutions for the home since 1954, and come with a 5-year warranty
  • INCLUDES – 500M Whole-House Humidifier, Model 4655 Manual Humidistat, (1) genuine AprilAire 10 Water Panel, (4) 8 x 3/4 Mounting Screws, 6" Round Duct Collar, 6" Bypass Flex Duct (2 ft.), ¼" outside diameter (OD) Water Supply Tube (25 ft.), ½" interior diameter (ID) Drain Tube (10 ft.), ⅝" Hose Clamp, AprilAire Current Sensing Relay Model 50, 18/2 Thermostat Wire (10 ft.), and (4) Twist-On Wire Nut Connectors
9.1
Superb
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9
8.9
Excellent
AprilAire 500 12-gal. Whole-House Small Bypass Evaporative Humidifier with Automatic Digital Control for up to 3,600 sq. ft. + AprilAire Model 5844 Humidifier Installation Kit
Aprilaire

AprilAire 500 12-gal. Whole-House Small Bypass Evaporative Humidifier with Automatic Digital Control for up to 3,600 sq. ft. + AprilAire Model 5844 Humidifier Installation Kit

Why we love it
  • Balanced humidity promotes health.
  • Whole-house coverage for large spaces.
  • Automatic control ensures efficiency.
Main Highlights
  • BALANCED HUMIDITY FOR HEALTH AND HOME PRESERVATION – Help minimize the formation of bacteria, viruses, fungi, and dust mites that thrive in low humidity and help preserve wood floors, cabinetry, furnishings, and other items susceptible to dry air
  • WHOLE-HOUSE HUMIDIFICATION – Deliver 12 gallons of moisture per day in homes up to 3,600 sq. ft. with trouble-free performance and minimal maintenance. The water panel removes impurities before adding moisture to the air. Use genuine AprilAire 10 Water Panel for annual replacement
  • AUTOMATIC CONTROL – The included Model 60 Automatic Digital Humidistat monitors your home's air providing precise control and the onboard sensor actively measures the relative humidity throughout your home and turns on the humidifier when needed giving you peace of mind
  • INSTALLATION KIT – No need to find the parts yourself. This convenient bundle comes with all of the genuine AprilAire parts needed for installations in homes with ducted heating systems plus detailed installation instructions
  • BUY WITH CONFIDENCE – AprilAire Whole-House Humidifiers are designed and assembled in the USA using US and global components by AprilAire, the leader in Indoor Air Quality solutions for the home since 1954, and come with a 5-year warranty
  • INCLUDES – 500 Whole-House Humidifier, Model 60 Automatic Digital Humidistat, (1) genuine AprilAire 10 Water Panel, (4) 8 x 3/4 Mounting Screws, 6" Round Duct Collar, 6" Round Bypass Flex Duct (2 ft.), ¼" outside diameter (OD) Water Supply Tube (25 ft.), ½" interior diameter (ID) Drain Tube (10 ft.), ⅝" Hose Clamp, 18/2 Thermostat Wire (25 ft.), 18/2 Thermostat Wire (10 ft.), 18/5 Thermostat Wire (10 ft.), and (4) Twist-On Wire Nut Connectors
8.9
Excellent
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10
8.7
Excellent
Save 16%
AprilAire 600M Whole-House Humidifier, Manual High Output Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., White
Aprilaire

AprilAire 600M Whole-House Humidifier, Manual High Output Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., White

16% Off
Why we love it
  • Designed by a trusted brand.
  • Covers large homes effectively.
  • Enhances comfort and health.
Main Highlights
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the USA by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 5,000 square feet in tightly built homes with a capacity of 17 gallons per day
  • MANUAL HUMIDIFIER with a single sensor built into the standard control monitors indoor relative humidity for use in manually setting the percent humidity in your home
  • FEEL MORE COMFORTABLE while also preserving items in your home susceptible to damage from changing humidity or dry conditions
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
8.7
Excellent
Save 16%
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We reviewed the most relevant Aprilaire 500 Whole House Humidifier offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like Aprilaire, known for dependable quality and smart design.
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To determine today's best Aprilaire 500 Whole House Humidifier, we analyzed 6091 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

Here's what we found:

🏆 #1
AprilAire 300 Self-Contained Fan Powered Whole-House Humidifier, for Homes with Ducted Forced Air Furnace Systems, Boilers, Mini-Splits, Radiant Heat, and Other Ductless Systems up to 3,900 Sq. Ft.

Our overall winner is AprilAire 300 Self-Contained Fan Powered Whole-House Humidifier, for Homes with Ducted Forced Air Furnace Systems, Boilers, Mini-Splits, Radiant Heat, and Other Ductless Systems up to 3,900 Sq. Ft. by Aprilaire. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓USA-made quality assurance.
✓Compatible with any heating system.
✓Promotes health and comfort.
💎 Best Value
AprilAire 700M Whole-House Fan Powered Humidifier, Manual Control, Large Capacity, Up to 5,300 Sq. Ft., 18GPD, Gray

The best value for most shoppers is AprilAire 700M Whole-House Fan Powered Humidifier, Manual Control, Large Capacity, Up to 5,300 Sq. Ft., 18GPD, Gray by Aprilaire, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
AprilAire 600M Whole-House Humidifier, Manual High Output Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., White

The strongest deal right now for Aprilaire 500 Whole House Humidifier is AprilAire 600M Whole-House Humidifier, Manual High Output Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., White at Aprilaire, currently at 16% off.

🔄Our Aprilaire 500 Whole House Humidifier ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.