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

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 700 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:

> See Whole-Home vs. Portables

> View Frequently Asked Questions about Aprilaire Whole-Home Humidifiers

> See Consumer Feedback about Aprilaire Humidifiers

> Contact an Aprilaire Dealer, your local Indoor Air Quality Specialist, to discuss your family’s specific needs.