AprilAire 865 Steam Humidifier with Fan Pack
AprilAire 865 Steam Humidifier with Fan Pack
34.6 Gallons Per Day based on Voltage and Current Draw, Digital Manual Humidistat, Whole-House, Compatible with the AprilAire Healthy Air System
This product is available from our nationwide network of AprilAire Healthy Air Professionals















- HUMIDITY FOR HEALTH AprilAire Steam Humidifiers can help you maintain optimal humidity in your home 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.
- HUMIDITY FOR COMFORT Balance your humidity to preserve your home and protect its occupants from dry air issues like static shock and chapped skin.
- PROTECT YOUR HOME Preserve your home and any contents susceptible to damage from changing humidity or dry conditions.
- BUY WITH CONFIDENCE This steam humidifier was designed and manufactured in the U.S.A. by AprilAire—the inventor of the whole-house evaporative humidifier, and the leader in Indoor Air Quality since 1954.
- ONBOARD SENSOR Measures the relative humidity inside the house. Fans turn on automatically when the humidity drops below the set point.
- CONVENIENT CONTROL To monitor and adjust the humidity with a high-contrast digital screen.
- FOR USE IN HOMES in any climate without ducted air systems, and for homes that have special humidity requirements, such as wood floors, humidity-sensitive furnishings, or large floor plans.
- FULL COVERAGE with a capacity of up to 34.6 gallons per day in a tightly constructed home.*
- EASILY MAINTAIN OPTIMAL PERFORMANCE By replacing the canister every year, and having a licensed contractor replace the electrode wires every 3 years.
INCLUDED IN THE BOX:
- 865 Humidifier
- Model 65 Digital Manual Humidistat
- Model 80 Steam Canister
- Model 5658 Fan Pack
- Saddle Valve
- 6-foot Steam Hose
- 7/8-inch x 10-feet Drain Tubing
- Drain Trap Assembly
- Installation Instructions
Our whole-house steam humidifier automatically adds moisture to your home through the use of a dedicated wall vent and fan pack. Steam is created by heating water inside the humidifier and delivered to the fan pack remotely.
Access documentation, including installation guides, owner manuals,
specification sheets, and more, to help you get the most out of your product.


Balance your home's humidity
AprilAire Whole-House Humidifiers balance your home's humidity to help improve sleep, reduce 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.
*E.M.Sterling, “Criteria for Human Exposure to Humidity in Occupied Building,” ASHRAE Winter Meeting, 1985
**www.nia.nih.gov/health/skin-care-and-aging, content reviewed October 01, 2017
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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
Help preserve the natural beauty of items in your home that might be susceptible to warping, cracking, or other permanent damage due to low humidity levels.
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Purified Water Not Required
Electrode technology requires impurities in the water to promote the transfer of electricity. Water filtration is not recommended – minimizing installation complexity and operating costs.
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Automatic Humidifier
Dual sensors to monitor and respond to both outdoor temperature and indoor relative humidity to deliver optimal humidity 24/7 throughout the home – simply set it and forget it.
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Genuine Replacement Steam Canister 80
Designed to fit your AprilAire Steam Humidifier perfectly and to optimize the
performance when changed once during the humidification season.
