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Look, Ma, no bucket to empty! The De’Longhi DD50P dehumidifier has a patented pump system that allows continuous drainage into a sink or out a basement window. It moves easily on rolling casters, and the air filter is washable. $300. (800) 322-3848; delonghi.com.
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Have a tight space that needs drying out? Just 21 inches wide, the Santa Fe Compact 2 is designed to fit in crawlspaces and removes up to 70 pints of water per day from the air in an area up to 1,800 square feet. $1,089. (800) 934-9194; sylvane.com.
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Eject musty odors efficiently with a Frigidaire FAD704DWD 70-pint dehumidifier. It works quietly until the water tank is almost full, and then it sounds an alert. If you miss the alert, it automatically shuts off to prevent overflowing. $349. (800) 374-4432; frigidaire.com.
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When small spaces such as gym lockers or bathroom cupboards need to dry out, the cordless Eva-Dry 333 Mini-Dehumidifier is the right size for the job. It removes air moisture from areas up to 333 cubic feet and works silently up to 30 days before it needs to be plugged in and recharged. $25. (877) 382-3790; eva-dry.com.
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Never fear the rains with a Honeywell TrueDRY Whole-House Dehumidifier. The DR120A2000 can remove up to 120 pints of moisture per day from an entire house if set up with ducting. In dry weather, it can be used as a fresh-air ventilator. $1,790. (888) 978-7759; globalindustrial.com.
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Designed for large rooms up to 500 square feet, the Whirlpool AP51030K Whispure Air Purifier uses a True HEPA (high-efficiency particulate air) filter to capture 99.97 percent of particles as small as 0.3 microns. It’s almost silent on the low setting, and its charcoal pre-filter scrubs away odors. $350. (866) 990-7365; whirlpoolairpurifiers.com.
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Perfect for use in a master bedroom, the Blueair BA-ECO10 HEPA Silent Air Purifier has a triple-filter system that can snag particles as small as 0.1 microns. It’s energy efficient, using only 10 watts on high speed. $700. (800) 697-3277; sears.com.
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Rooms smell fresher with the Holmes HAP8650B-U True HEPA Allergen Remover, thanks to baking soda in the filters and the power to trap particles as small as 0.3 microns. It handles rooms up to 310 square feet and has a washable pre-filter to extend filter life. $128. (800) 546-5637; holmesproducts.com.
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The sleek design of the Fellowes AeraMax 300 Air Purifier contains a HEPA filter with an antimicrobial treatment that snares particles as small as 0.3 microns. It works quietly in rooms up to 300 square feet to constantly monitor air quality and adjust the fan speed as needed. $298. (888) 280-3321; amazon.com.
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Monitor and analyze your air quality with a Dylos DC1100 Pro battery-operated laser particle counter. It interfaces with your computer to provide analysis about small (bacteria and mold) and large (pollen) airborne particulate matter. $290. (877) 351-2730; dylosproducts.com.
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Is it time to switch on the dehumidifier? The Springfield 91756 Digital Wireless Thermometer with a humidity meter will let you know. It works indoors or outside to measure air saturation between 20 and 95 percent. $32. (855) 687-2272; casa.com.
Allergy and asthma sufferers breathe easier when airborne allergens, including mold and mildew, are reduced. The most effective air purifiers filter pollutant particles sized 0.3 microns or smaller.