Aprilaire Model 500A
Whole-House Humidifier

Get big results for small to mid-size homes with the Model 500A Whole-Home Humidifier.

The Aprilaire Model 500A Whole-House Humidifier features a built-in bypass damper and is designed for use in small to mid-size homes with automatic digital control for premium performance and convenience.

The Aprilaire Model 500A Whole-House Humidifier:

• Installed in either your living area or central heating and cooling system ductwork
• Comes equipped with a drain to flush minerals from the unit
• Has an evaporation capacity of 0.50 gallons per hour
• Humidifies tightly-constructed homes up to 3,000 square feet in size

  

The Model 500A bypass humidifier is an economical proven performer in the extensive line of Aprilaire Humidifiers.

For some homes, a manual control may be recommended. The Aprilaire digital control can be used in manual mode while still providing vital service, temperature and relative humidity indicators.

Choosing the right Humidifer is an important decision and investment. Click below to learn more about Aprilaire Whole-House Humidifiers:

Want the perfect humidity level for any season? Take a look at the Model 600A.

The Aprilaire Model 600A Whole-House Humidifier features truly automatic control, plus a built-in bypass damper, which means fewer parts to install. The bypass damper is conveniently labeled for both summer and winter settings, allowing you to set it for the entire season with no guesswork involved. The Aprilaire Model 600A Whole-House Humidifier is simply the best performing bypass humidifier on the market.

The Aprilaire Model 600A Whole-House Humidifier:

• Features the same performance benefits of other Aprilaire Humidifiers
  
• Delivers up to 50% more moisture in comparison to competitive units
  
• Has an evaporation capacity of 0.70 gallons per hour
  
• Humidifies tightly-constructed homes up to 4,000 square feet in size

The Aprilaire Model 600A Whole-House Humidifier with automatic digital control is simply the best performing bypass humidifier on the market.

For some homes, a manual control may be recommended. The Aprilaire digital control can be used in manual mode while still providing vital service, temperature and relative humidity indicators.

Choosing the right Humidifer is an important decision and investment. Click below to learn more about Aprilaire Whole-House Humidifiers:

Big humidification performance to match the biggest homes: the Model 700A.

The Aprilaire Model 700 Whole-House Humidifier features truly automatic control, so there's never a need to manually control the humidifier—though it can be installed in manual mode, if desired.

Complementing any central heating and cooling system, the Aprilaire Model 700 Whole-House Humidifier:

• Utilizes an outdoor temperature sensor for monitoring even the slightest changes in outdoor temperature
  

• Delivers up to 50% more moisture in comparison to competitive units
  
• Has an evaporation capacity of 0.75 gallons per hour—among the highest capacity humidifiers sold
  
• Humidifies tightly-constructed homes up to 4,200 square feet in size

If you own a larger home and want the best, then the Aprilaire Model 700A Whole-House Humidifier with automatic digital control is the right choice for you.

For some homes, a manual control may be recommended. The Aprilaire digital control can be used in manual mode while still providing vital service, temperature and relative humidity indicators.

Choosing the right Humidifer is an important decision and investment. Click below to learn more about Aprilaire Whole-House Humidifiers: