Either dehumidify to control mold and dust mites or humidify to add moisture to very dry and irritating air.
Danby 70 pint Dehumidifier

Danby Dehumidifier - economical, effective and quiet!
One of the most important environmental controls someone can do to allergy proof their home is control humidity. Keeping humidity below 50% dramatically reduces mold and dust mites. Therefore, it was essential that we have a dehumidifier in our line. And we knew what we wanted when we went on the search for a dehumidifier. Our customers had told us what they were looking for. They wanted a dehumidifier that was quiet and effective. But they did not want to spend a $1,000 on it. After researching many brands our reviewers felt that the Danby Dehumidifier was the best choice. This 70 pint unit has plenty of capacity - even on those high humidity days. The convenient electronic controls allow the user to program humidity and fan setttings. The Danby has a removable air filter for easy cleaning and automatic shut-off if the bucket is full. Energy Star rated. Covers up to 4,500 square feet and comes with a 5-year warranty.
BONECO/Air-O-Swiss Ultrasonic Humidifier

BONECO/Air-O-Swiss Humidifier - Quiet, effective humidification with features that make it the best on the market!
This BONECO/Air-O-Swiss AOS 7135 ultrasonic humidifier use high-frequency vibrations to turn the water into a micro-fine mist. Super quiet in operation and energy efficient it has a hygrostat and mist output regulator for controlled humidification. It includes a replaceable demineralization cartridge to virtually eliminate lime scale and mineral residue. The Hydro Cell Technology keeps the humidifier clean and fresh longer. The BONECO/Air-O-Swiss can be operated as a cool mist humidifier or it has the option to pre-heat the water to produce a soothing temperature of 104 degrees F. The plastic housing of the demineralization cartridge is silver treated to inhibit microbial growth on the surface of the cartridge. Humidifies the air in rooms up to 650 sq. ft.. Easy to read LCD display. The BONECO/Air-O-Swiss is designed to provide controlled humidity adjusted to the temperature of the room. Also, comes with timer and sleep mode.
Deminerlization Cartridge
Demineralization Cartridge
Replce every 2-3 months
HydroCell
HydroCell
Replace every 1-2 months
EZ CAL Cleaner
EZ CAL Cleaner
Use every 1-2 months