Aprilaire Humidifier - Model 500

The Aprilaire Model 500 Humidifier is economical and a proven performer designed for small to mid-sized homes. 

The Aprilaire Model 500 Humidifier is a whole-home solution that helps you achieve total comfort through humidity control. The Model 500 is installed in your central heating and cooling system ductwork by a local HVAC professional.

Model 500 features:

 • Built-in bypass damper, which means fewer parts to install.
 • Truly automatic control, but it can also be installed in manual mode 
 • Delivers optimum levels of humidity control with the Automatic Digital Humidifier Control.
 • Provides vital service, temperature and relative humidity indicators in manual mode as well.

• Humidifies tightly constructed homes up to 3,000 square foot in size.
 • Performs quietly with simple annual maintenance.
 • Comes equipped with a drain to flush minerals from the unit.
 • Incorporates easy right or left discharge change-over.
 • Has an evaporation capacity of 0.50 gallons per hour.

Reduces Airborne Viruses

Just the right amount of humidity can keep colds and flu at bay and reduces aggravating asthma symptoms.

Improves Energy Efficiency

Feel more comfortable at lower temperatures.

Protects Your Home

Aprilaire humidifiers deliver the perfect amount of humidity to protect your wood floors and furniture from dry-air damage.

Model 500 Parts


Aprilaire 10 Water Panel for Humidifier Models 110, 220, 500, 550, 558


Aprilaire 4004 In-Line Strainer for Humidifier Models 220, 224, 350, 360, 400, 400A, 400M, 500 Series, 600 Series, and 700 Series


Aprilaire 4040 Solenoid Valve, 24 Volt for Humidifier Models 400, 500, 600, and 700


Aprilaire 4223 Drain Spud for Humidifier Models 500, 550, 558, 560, 568, 600


Other Aprilaire Humidifiers

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