AprilAire 865 Whole-Home Steam Humidifier with Wall Mount Fan for Homes without an HVAC Duct System

The Model 865 ductless steam humidifier includes a fan pack and is designed for homes without forced-air heating systems. This ductless solution is ideal for homes with radiant or baseboard heat. 

Model 865 features

  • BUY WITH CONFIDENCE This high output steam humidifier was designed with electrode technology and manufactured in the U.S.A. by Aprilaire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions.
  • WALL MOUNT FAN pushes humidified air into living space for homes without an HVAC duct system.
  • FULL COVERAGE up to 5,200 square feet in tightly built homes. Choose from 6 levels of output adding 11.5 to 34.6 gallons of moisture into the air per day based on voltage and installation
  • IDEAL FOR homes in arid, desert climates and in areas with milder winters. 
  • MAINTAIN OPTIMAL PERFORMANCE by replacing the canister annually and replacing the electrode wires every 3 years. 
  • 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.
  • NO WHITE FILM OR DUST is left behind for you to clean up like other steam humidifiers. Aprilaire humidifier just provide clean, humidified air.
  • MANUAL HUMIDIFIER with a single sensor built into the standard control monitors indoor relative humidity for use in manually setting the percent humidity in your home.
  • CONVENIENT DIGITAL CONTROL shows percent humidity, lights indicate humidifier is running and when service is needed, and Blower Activation switch sets humidifier to run continually, or only when the furnace runs
  • 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. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions.

*AHRI Guideline F for Average Construction homes, https://www.ahrinet.org/App_Content/ahri/files/Guidelines/AHRI_Guideline_F_SI_2015.pdf

Humidity for Health

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

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

Humidity for Preservation

Help preserve the natural beauty of wood floors, cabinetry, furnishings and anything else in your home susceptible to warping, cracking, or other permanent damage due to dry air.

Model 800 Parts

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AprilAire 80 Steam Canister for Steam Humidifier Model 800 & 865

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AprilAire 8052 Outdoor Temperature Sensor for Humidifier Models 56, 57, 58, 62, 400, 500, 600, 700, 800

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AprilAire 80LC (Low Conductivity) Replacement Canister for AprilAire Steam Humidifier Model 800 & 865

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