Best Humidifiers & Dehumidifier on Sale

At Amazon, get this Homvana 3.6L Top-Fill Cool Mist Humidifier for $15 when you add it to your cart and proceed to checkout. It's the best price Amazon has charged for this model. The 3.6L tank is rated to last up to 4 nights per fill, and the top-fill design uses a 5.3" opening for easier refilling and cleaning. Buy Now at Amazon

This ToLife dehumidifier is 25% off its regular price of $80. The 95-oz. water tank covers up to 1,000 sq. ft. and includes an automatic shut-off when the tank is full. Shipping is free.  Buy Now at Amazon

At Amazon, add this GoveeLife 6L Smart Humidifier to you cart to get it for $54 at checkout. It's the best deal we've seen for this model. Shipping is free. Buy Now at Amazon

A large-capacity humidifier like this suits bedrooms, living rooms, or any space where you want extended runtime without frequent refills, and the 12-liter tank is the main draw if you run one overnight or through the day. After factoring in the $$17 import charges, $3.07 payment processing fee, and $33.63 shipping, it's a low by $20 for a similar one at Walmart. Buy Now at Alibaba

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

Compact enough for a bathroom, closet, or small bedroom, this 95-oz. dehumidifier pulls moisture from the air without needing to be drained constantly thanks to its large tank capacity. At $55, it's $5 off the $60 list price. Buy Now at Walmart

Flame-effect humidifiers double as a visual accent, simulating a flickering fire while dispersing cool mist and optional essential oils into the air, making this a reasonable pick for a bedroom or small office. At $18, that's 58% off the $44 list price. Buy Now at Walmart

Rocyis rates this unit for spaces up to 4,500 sq. ft., making it a reasonable pick for basements, crawl spaces, or larger rooms where moisture buildup is a recurring problem. At $160, it's $40 off the $200 list price. Buy Now at Walmart

Sized for spaces up to 4,500 square feet, this unit pulls up to 70 pints of moisture per day, which puts it in the range suited for damp basements, crawl spaces, or larger rooms with persistent humidity issues. At $180, it's $30 off the $210 list price. Buy Now at Walmart

Humsure's 120-ounce tank capacity puts this dehumidifier on the larger end for a portable unit, meaning less frequent emptying compared to the more common 30- to 60-ounce models you'll find at this price point. At $60, that's $71 off the $131 list price. Buy Now at Walmart

A combination unit that handles air purification, humidity, and ambient lighting in one device, which makes sense for a bedroom or nursery where you'd otherwise need multiple gadgets taking up space. Buy Now at Target

Useful for dry rooms, bedrooms, or offices where you want to add moisture without a noisy fan-based unit, and at $20 it's $12 off the $32 list price. Buy Now at Walmart

Yucurem is a smaller brand, so this dehumidifier is best suited for compact spaces like a bathroom, closet, or small bedroom rather than a full basement. At $40, it's $30 off the $70 list price. Buy Now at Walmart

Compact dehumidifiers in this size range work well for damp basements, crawl spaces, or smaller rooms where moisture builds up seasonally, and at $56, this one is $8 off the $64 list price. Buy Now at Walmart

Replacement filters for the HCM-350 series go through fairly regular changes, and buying a 4-pack keeps you covered for about a year without repeat orders. Buy Now at Walmart

A dehumidifier with a built-in pump means it can drain continuously without you needing to empty the tank manually, which is useful in basements or crawl spaces where a floor drain isn't nearby, and the WiFi control lets you monitor and adjust settings remotely. At $217, that's $162 off the $379 list price. Buy Now at Walmart

A replacement filter pack worth having on hand if you own an Eekit evaporative humidifier, since running a worn-out wick reduces output and can affect air quality. At $11, that's $2 off the $13 list price. Buy Now at Walmart

A large-tank humidifier like this suits bedrooms or living spaces where you want to run overnight without refilling every few hours, and at $78 it's $31 off the $110 list price. Buy Now at Walmart