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

★★★★☆ 4.0 149 reviews

$264.30
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Management number 212159527 Release Date 2026/04/06 List Price $105.72 Model Number 212159527
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The AprilAire 500 Whole-House Humidifier is designed for homes up to 3,600 sq. ft. The included digital humidistat has an onboard sensor and automatically controls the humidity level, using an outdoor temperature sensor to help create the optimal environment throughout your home. While balanced humidity exists between 40–60%, it's important to remember that outdoor temperature and other home factors will impact what relative humidity level is attainable and recommended for your house. You’ll enjoy balanced humidity thanks to the evaporative process, which works by passing hot, dry air from your furnace over the interior water panel to add moisture before returning the humidified air into your home using the existing blower fan in your HVAC system. The water panel is essential to the process, ensuring the removal of impurities from the water and providing uniform, high evaporation for whole-house humidification. AprilAire invented the whole-house evaporative humidifier in 1954, and this unit is designed and assembled in the USA utilizing US and global components. It offers multiple options for installation, making it simple to experience the benefits of balanced humidity throughout your living space.

  • 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
Color Gray
Runtime 0 minute
Voltage 24 Volts (AC)
Capacity 12 G/day
Material Plastic
Room Type Whole-House
Brand Name Aprilaire
Floor Area 3600 Square Feet
Item Shape Rectangular
Model Name Humidifiers Evaporative
Unit Count 1.0 Count
Filter Type Evaporative
Item Weight 7.75 Pounds
Manufacturer Research Products Corporation
Model Number 500K
Power Source ac
Control Method Remote
Item Type Name Humidifiers Evaporative
Operation Mode Evaporative
Included Components 500 Humidifier, Automatic Digital Humidistat, (1) genuine 10 Water Panel, (4) #8 x 3/4 Mounting Screws, 6-inch Round Duct Collar, 6-inch Round Bypass Flex Duct (2-feet), 1/4-inch outside diameter (OD) Water Supply Tube (25-feet), 1/2-inch interior diameter (ID) Drain Tube (10-feet), 5/8-inch Hose Clamp, 18/2 Thermostat Wire (25-feet), 18/2 Thermostat Wire (10-feet), 18/5 Thermostat Wire (10-feet), (4) Twist-On Wire Nut Connectors
Item Dimensions D x W x H 10.25"D x 15.63"W x 13"H
Global Trade Identification Number 00686720019524
Other Special Features of the Product Adjustable Humidity Control, Auto Shut Off, Digital Display, Humidistat, Quiet, Service Filter Indicator

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149 ratings | 61 reviews
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