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Sharp Plasmacluster® Air Purifier with Humidifying Function for Medium Rooms

Model # KC850U

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The Sharp KC-850U Plasmacluster Ion Air Purifier with True HEPA Filtration and Humidification offers a unique combination of air treatment technologies and a one-touch automatic air quality control system to make you and your family more comfortable all year round. The automatic air quality control system of this medium-sized room humidifying air purifier uses sensors to constantly monitor the air quality in your room, adjusting for air purity and optimum humidity level, and will also indicate when filters should be cleaned.

The KC-850U helps remove pollutants and common allergens such as pollen, dust, pet dander, and smoke with an ultra quiet fan that draws air through a three-stage filter system including a permanent micro-mesh pre-filter, washable activated carbon filter, and a long-life True HEPA filter, which captures 99.97% of particles as small as 0.3 microns from the air that passes through it.

The KC-850U medium room air purifier with humidifier also reduces germs, bacteria, viruses, odors, mold, and fungus by using patented Plasmacluster Ion Technology, which disperses positively and negatively charged ions throughout the room to safely break down microorganisms and odors (even those trapped in fabric, carpeting, and drapery!). It is an ideal solution for allergy sufferers, asthmatics, pet owners, and smokers, and when used in humidify mode, can help relieve congestion, cough, and dry and swollen nasal passages. It is best used in a bedroom, living room, study, or exercise room.

In addition to auto mode, there are 3 manual fan speeds. The unit has LibraryQuiet operation (as quiet as 17 decibels, or the sound of rustling leaves) and is ENERGY STAR® rated, so you can run the unit continuously while saving money and energy.

Sharp's exclusive patented Plasmacluster® ion technology eliminates microscopic pollutants that traditional filters cannot trap, by replicating nature's own cleaning process of producing positive and negative ions from water vapor in the air. These ions refresh the air without any harmful chemicals or perfumes.
True HEPA filtration is ideal for removing common household allergens such as dust, pollen, pet dander, and smoke from the air. As a large room air purifier and humidifier with true HEPA filtration, which removes 99.97% of airborne pollutants as small as 0.3 microns, including dust, pollen, pet dander, and smoke particles, more particles can be captured when compared to a HEPA-type filter.
Built-in temperature, dust, and humidity sensors monitor your air quality and automatically clean and humidify as needed, so you can sit back and enjoy healthier, fresher air!
Humidifiers like the KC-860U air purifier can help relieve sinus issues, dry throat, dry eyes, and chapped lips. They can also help relieve dry skin caused by psoriasis, thyroid disorders, topical medications, and cosmetics. Heaters used in wintertime can also lower the humidity level in the air, so having a humidifier is helpful.


  • Captures pollen, dust, pet dander, and smoke - True HEPA 5-year filter captures 99.97% of particles as small as 0.3 microns
  • Reduces germs, bacteria, viruses, odors, mold, and fungus - Patented Plasmacluster Ion technology attacks impurities throughout the room
  • Auto mode monitors air quality and adjusts air purification and humidity levels, and manual setting has 3 fan speeds
  • Recommended for medium-sized rooms up to 254 square feet
  • ENERGY STAR® rated
Air Purification System: Plasmacluster & Fan
Automatic Operation based on Sensor(s): Yes
Plasmacluster Ion Modes: On / Off
Plasmacluster Indicator Light: Yes (Blue)
Fan Speeds: 3 (High / Med / Low) plus Auto and Pollen
Manual Operation: Yes (Clean Air / Clean Air & Humidify)
Air Louver: Yes, Fixed
OFF Timer (hours): No
Clean Sign Indicator: Yes
Lights ON/OFF Button: Yes
Noise Levels (Max / Med / Low)
Air Purifier Only: 51/34/17
Air Purifier with Humidifier: 51/34/23
CADR (Clean Air Delivery Rate)
Dust: 164
Pollen: 174
Smoke/Tobacco: 164
Dust or Odor: Dust
Clean Filter Indicator Light: Yes
Micron Mesh Pre-Filter: Back Panel
Part Number: FZ-C100DFU
Description: Washable Deodorizing filter
Filter for: KC-850U
Replacement Cycle: 5 years
Product (W x D x H), inches: 15.7 x 9.7 x 0.39
Product Weight, pounds: 0.31
Shipping (W x D x H), inches: 20.4 x 10.2 x 1.0
Shipping Weight, pounds: 0.8
UPC : 074000662537
Part Number: FZ-C100HFU
Description: HEPA replacement filter
Filter for: KC-850U
Replacement Cycle: 5 years
Product (W x D x H), inches: 15.7 x 9.7 x 1.5
Product Weight, pounds: 0.48
Shipping (W x D x H), inches: 20.4 x 10.2 x 2.0
Shipping Weight, pounds: 1.0
UPC : 074000662520
Part Number: FZ-C100MFU
Description: Humidifying Filter
Filter for: KC-850U/KC-860U
Replacement Cycle: 2 years
Product (W x D x H), inches: 7.5 x 8.9 x 1.2
Product Weight, pounds: 0.15
Shipping (W x D x H), inches: 11.2 x 9.4 x 1.7
Shipping Weight, pounds: 0.4
UPC : 074000662544
Filter Type: Washable Active Carbon
Filter Life: up to 5 years after opening
Dust Collection
Filter Type: True HEPA
Filter Life: up to 5 years after opening
Filter Type: Humidifying filter
Filter Life: up to 2 years after opening
Voltage/Frequency (V/Hz): 120/60
Standby Power (Watts): 0.3
Power Cord Length (feet): 8.3 / 2.5
Plug Type: Parallel
Agency Approvals
Safety Standard: UL/cUL
Additional Specifications
Limited Warranty: 1 year parts and labor from date of purchase

Extended warranties are usually very inexpensive and can save you thousands in the future. Some can even cover extra costs that result, such as cost of food that spoils when your fridge dies. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Appliances can be large, heavy, and expensive and you probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new appliances should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.

Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

Questions or Comments?
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