Description
Sharp KC850U – Air Purifier & Humidifier
The Sharp KC850U is designed for spaces where silence matters as much as clean air. Operating at just 23 decibels — quieter than a library — it purifies and humidifies rooms up to 250 sq. ft. without disturbing sleep or concentration. Plasmacluster Ion technology actively neutralizes airborne pollutants while the True HEPA filter captures 99.97% of particles, and the integrated humidifier keeps moisture levels comfortable year-round.
Key Features
- True HEPA filtration captures 99.97% of particles as small as 0.3 microns
- Removes dust, pollen, pet dander, mold spores, and fine particles
- Plasmacluster Ion technology actively neutralizes bacteria, viruses, and odors
- Designed for rooms up to 250 sq. ft.
- Integrated humidification for optimal indoor moisture balance
- Prevents dry air discomfort — better for skin, throat, and respiratory health
- Automatic humidity sensing and adjustment
- As low as 23 decibels — library-quiet operation
- Energy Star certified — low operating costs
- Long-life filters reduce maintenance frequency
Frequently Asked Questions
Which replacement filters are compatible with this purifier?
The KC850U uses genuine Sharp HEPA and, on most models, an active carbon deodorizing filter; check Sharp's filter compatibility list by model number to order the correct genuine replacement parts.
Is this air purifier covered by a warranty, and is it built to last?
It's backed by Sharp's standard limited appliance warranty, and its True HEPA filtration and Plasmacluster Ion generator are engineered for continuous daily operation over the unit's service life.
What room size and use case is this purifier best suited for?
It covers rooms up to 250 sq. ft. and runs as quietly as 23 decibels on its lowest setting, making it well suited to bedrooms, home offices, or open living spaces of that size.