• AprilAire 300 Humidifier Hero Photo
  • AprilAire 300 Humidifier Capacity Web Ready Photo
  • AprilAire 300 Humidifier Installed Web Ready Photo
  • AprilAire 300 Humidifier Usa Web Ready Photo
  • AprilAire Humidifier Benefits Web Ready Lifestyle Photo
  • AprilAire 65 Humidifier Humidistat Web Ready Photo
  • AprilAire 300 Humidifier Size Measurements Web Ready Photo
  • AprilAire 300 Humidifier Sizing Chart Web Ready Graphic
  • AprilAire 300 Humidifier Box Contents Web Ready Photo
  • AprilAire 300 Humidifier Installed Photo
  • AprilAire 300 Humidifier Back Facing Photo
  • AprilAire 300 Humidifier Front View Photo
  • AprilAire 300 Humidifier Top View Photo
  • AprilAire 300 Humidifier Bottom View Photo
  • AprilAire 300 Humidifier With Brackets Side View Photo
  • AprilAire 300 Humidifier Right Facing Photo
1 17

AprilAire 300 Self-Contained Evaporative Humidifier

AprilAire 300 Self-Contained Evaporative Humidifier

13 Gallons Per Day, Digital Manual Control, Whole-House for up to 2,000 Sq. Ft., Compatible with the AprilAire Healthy Air System

This product is available from our nationwide network of AprilAire Healthy Air Professionals

Find a Pro
View full details
  • 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
  • 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 1,950 square feet in average constructed homes with a capacity of 13 gallons per day.*
  • CONVENIENT DIGITAL CONTROL: to monitor and adjust the humidity with a high-contrast digital screen.
  • ONBOARD SENSOR:  measures the relative humidity inside the house. Fans turn on automatically when the humidity drops below the set point.
  • 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.
  • HUMIDITY FOR COMFORT Balance your humidity to reduce the incidence of dry skin, static shock, and other dry air issues.
  • PROTECT YOUR HOME Preserve your home and its furnishings susceptible to damage from changing humidity or dry conditions.

*AHRI Guideline F for Average Construction homes

Balance your home's humidity

AprilAire Whole-House Humidifiers balance your home's humidity to help improve sleep and dry skin, enhance productivity, and keep you protected against airborne viruses. Additionally, AprilAire Humidifiers help preserve your home and any contents susceptible to cracking and
warping due to low humidity levels.

  • Maintain Wellness

    Reduce airborne illnesses that can cause respiratory infections, asthma
    attacks, and allergic reactions by maintaining proper relative
    humidity in your home.*

    *E.M.Sterling, “Criteria for Human Exposure to Humidity in Occupied
    Building,” ASHRAE Winter Meeting, 1985

  • Lower Energy Costs

    Humidifiers can affect the “real feel” temperature in your home, which can
    prevent your furnace from working overtime.

  • Home Preservation

    Air that’s too dry can cause wood to splinter. Protect the structural integrity of your home and wooden furnishings like floors and cabinets with solutions intuitively designed to create healthy
    environments.

  • Humidity for Comfort

    Whether your home is in a dry region of the country, or in an area with seasonal dryness, maintaining proper humidity levels can make all the difference in how comfortable you feel in your home.

  • Humidity Control at the Ready

    You will also avoid common problems associated with less moisture in the
    air such as dry throat and static shock.

  • AprilAire Genuine Water Panels

    Designed to keep your AprilAire humidifier operating at peak performance, AprilAire Water Panels should be changed per the recommended schedule for your Model, typically once or twice per heating season.