Best Humidifiers & Dehumidifier on Sale

For larger spaces dealing with humidity issues like basements, crawl spaces, or post-flood drying, an 80-pint capacity unit handles serious moisture loads, and the app control lets you monitor and adjust settings without being in the room. At $153, that's $82 off the $235 list price. Apply coupon code "YCDTU29D" for a savings of $82.25. Buy Now at Amazon

The Eva-Dry Wireless Mini Dehumidifier is $10.49 at Amazon. That's the lowest it's been there and the best we found now by $10. Shipping is free for Prime members. Buy Now at Amazon

The Vellgoo 4,000-sq. ft. Dehumidifier is $169.99 at Amazon. That's $60 off and the lowest price we could find. Shipping is free. Buy Now at Amazon

That's $7 less than a similar one at Amazon. Import charges of $0.65 may apply, as well as an $0.11 payment processing fee.

New Alibaba customers get free shipping; otherwise, it starts at around $8. Buy Now at Alibaba

That's $8 less than you'd pay for a similar item elsewhere. Import charges of $2.27 and a payment processing fee of 37-cents may apply.

New Alibaba customers get free shipping; otherwise, it starts at around $16. Buy Now at Alibaba

This diffuser doubles as a ambient light with a flame effect, which makes it a reasonable pick if you want something that adds soft, moving light to a room while also dispersing scent. It's currently $13, down from its $23 list price. Buy Now at Walmart

A 4.5-liter tank means fewer refills overnight, which makes this humidifier a reasonable pick for larger bedrooms or anyone dealing with dry air during heating season. It's currently $12 off the $48 list price at $36. Buy Now at Walmart

Owners of the AIRCARE EA1407, Essick Air, or Kenmore 15420/29614 humidifiers will need to swap these wicks out periodically to keep the unit running efficiently, and buying a 4-pack at $18 saves you about $5 off the $23 list price. Buy Now at Walmart

For anyone dealing with dry indoor air, this 4L humidifier covers a decent-sized room and handles humidity levels automatically so you're not manually adjusting it throughout the day. It's currently $4 off the $46 list price. Buy Now at Walmart

Evaporative humidifiers work without a heating element, which makes this a reasonable pick for households with kids or pets where you want cooler mist and lower energy use. At $29, that's $41 off the $70 list price. Buy Now at Walmart

For anyone dealing with dry air at home or wanting to double-dip with aromatherapy, the top-fill design and remote control make this a practical, low-hassle option. At $57, that's roughly half the $110 list price. Buy Now at Walmart

Replacing the wicking filter on your Honeywell humidifier every 1-3 months is standard maintenance, and this AMI Parts drop-in replacement is a straightforward way to keep it running without buying the Honeywell-branded version. At $22, it's about $3 off the list price. Buy Now at Walmart

Homeowners dealing with damp basements, crawl spaces, or humid rooms will find this unit useful for pulling moisture out of the air on a continuous basis, and it's currently $58 off the $124 list price at $66. Buy Now at Walmart

Dry air at night can disrupt sleep and irritate sinuses, making a bedroom humidifier worth having if you run heat in winter or live in a dry climate, and this one is currently $11 down from its $19 list price. Buy Now at Walmart

This dual-purpose unit adds moisture to dry air while also functioning as an essential oil diffuser, making it useful if your space feels dry or you use aromatherapy regularly. It's currently $11, down from $22 list price. Buy Now at Walmart

Sized for a bedroom or mid-size room, this 4.5L ultrasonic humidifier runs for extended periods without refilling, which suits anyone dealing with dry air, congestion, or static during winter months. It's currently $40, down from the $73 list price. Buy Now at Walmart

A 9-liter tank means fewer refills if you're running this in a larger room or overnight, and the remote lets you adjust settings without getting up. At $80, that's $120 off the $200 list price. Buy Now at Walmart

For smaller spaces dealing with dampness or humidity, like a basement, bedroom, or crawl space up to 1,500 square feet, this unit pulls moisture and drains continuously through the included hose so you don't have to empty a tank manually. At $108, it's $82 off the $190 list price. Buy Now at Walmart

For larger rooms or open-concept spaces where you need a humidifier that can keep up, the 16-liter capacity means fewer refills and longer run times than most standard units. It's currently $14 off the list price at $123. Buy Now at Walmart