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AprilAire 865 Whole House Steam Humidifier with Wall Mount Fan

Aprilaire 865

Retail: $1,499.99 /ea
You Save: 21%
As low as
Retail: $1,499.99
You Save: 21%
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You'll love your home more than ever before when you install the AprilAire 865 Whole House Steam Humidifier with Wall Mount Fan. This whole-home steam humidifier features a wall mount fan, making it ideal for homes without a ducted HVAC system and with baseboard or radiant heat. The high-output unit comes with a fan pack, and it is designed with electrode technology. Designed in the United States of America by AprilAire, a trusted, industry-leading name in indoor air quality solutions. It covers up to 6,200 square feet of coverage, and you can choose from an impressive 6 levels of output, allowing for moisture control based on installation and voltage. Best for homes in desert climates, this humidifier is a healthy choice for you and your family. It helps you maintain optimal humidity, reduce allergy, asthma, and respiratory infection symptoms, minimize dust mites, fungi, viruses, and bacteria, and more!


  • Brand: AprilAire
  • Part Number: AprilAire 865
  • Pack Size: 1
  • Weight: 20 lbs.
  • Dimensions: 7.1" x 10.1" x 20.9"
  • Capacity: 11.5 - 34.6 gallons per day
  • Room Size: 6.200 sq. ft.
  • Voltage: 120-208-240 VAC
  • Limited Warranty: 5 years

Additional Features:

  • No white film or dust is left behind for you to clean up like other steam humidifiers.
  • Purified water is not required, minimizing installation complexity and operating costs.
  • Healthy humidified air may reduce overall heating costs and help you feel warmer during the winter.
  • Properly humidified air reduces respiratory irritation triggered by low humidity and helps alleviate dry skin.
  • Optimally humidified air helps protect your wood floors, furnishings, and your home's infrastructure from damage due to low humidity.


  • Installation instructions
  • Steam humidifier
  • Dispersion tube
  • 6-foot steam hose
  • 7/8-inch drain tubing (10 feet)
  • Hose clamps
  • Saddle valve
  • Mounting screws
  • Model 80 steam canister


Frequently Asked Questions:

What type of water does the AprilAire 865 use?

  • This AprilAire model uses cold water which can be softened or hard.

Compatible Parts:

The AprilAire 865 Whole House Steam Humidifier with Wall Mount Fan is the correct replacement for the following part numbers:

Part Number
Aprilaire 80 Replacement Steam Canister
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