Best Humidifiers & Dehumidifier on Sale

Replacement filters for the Dyson TP01 Pure Cool tower purifier, priced $5 below the list price at about $22 for a two-pack. Buy Now at Walmart

Replacement filters for humidifiers like the HDC12 are a recurring purchase, so buying a 4-pack at once reduces how often you're reordering. At $17, that's $5 off the $23 list price. Buy Now at Walmart

Walmart has the AIRFIRE 19-Pint Dehumidifier for $135, which is $105 off the $240 list price. A 19-pint unit is sized for smaller spaces like a bedroom, bathroom, or small basement, so this is worth a look if you're dealing with moisture in a room under roughly 1,500 square feet. Buy Now at Walmart

Replacement filters for the PuroAir 240 air purifier, priced at $1 below the list price of $30. Buy Now at Walmart

A 4-liter tank means fewer refills, which makes this a reasonable pick for a bedroom or small living space where you want to run it overnight without waking up to an empty unit. At $21, it's $20 off the $41 list price. Buy Now at Walmart

Replacement filters for humidifiers are a recurring purchase, and this 2-pack brings the per-filter cost down to around $9 each. At $18, that's $7 off the $26 list price. Buy Now at Walmart

Toss a few of these into your humidifier tank to help slow mineral buildup and bacterial growth between deep cleanings, which is useful if you run your humidifier regularly and want to stretch the time between scrubdowns. At $11, that's $2 off the $13 list price. Buy Now at Walmart

Useful for anyone who runs a humidifier regularly and wants to slow mineral buildup and bacterial growth in the water tank, and at $16, it's $2 off the $18 list price. Buy Now at Walmart

Compact dehumidifiers like this one work well in small enclosed spaces like closets, bathrooms, or RVs where moisture tends to build up, and at $37, you're paying about half the $71 list price. Buy Now at Walmart

Egeh is a lesser-known brand, so keep that in mind, but at $56 this is 72% off the $200 list price for a dehumidifier rated to pull moisture from spaces up to a certain square footage, making it worth a look if you need a budget option for a small room, basement, or closet. Buy Now at Walmart

Fohere's 3.2L tank capacity puts it in a range suitable for bedrooms or small offices where you want to run it overnight without refilling, and at $30 it's $16 below the list price. Buy Now at Walmart

Useful for damp basements, crawl spaces, or rooms where moisture builds up, and the 85-oz tank means fewer trips to empty it compared to smaller units. At $107, that's $43 off the $150 list price. Buy Now at Walmart

Fimilo's 3L evaporative humidifier uses a wick filter to absorb and evaporate water naturally, which self-regulates humidity levels and reduces the risk of over-humidifying a room compared to ultrasonic models. At $30, it's $20 off the $50 list price. Buy Now at Walmart

Compact and quiet, this 2.2L ultrasonic humidifier suits small rooms or a desktop setup where you want to add moisture without a lot of noise or bulk. At $21, it's $9 off the $30 list price. Buy Now at Walmart

Goovi positions this as a 1,000-square-foot dehumidifier, which puts it in the range for a bedroom, small basement, or single-room moisture problem rather than whole-home use. At $56, it's $214 off the $270 list price, a discount of roughly 79%. Buy Now at Walmart

Walmart has the Egeh 95-Ounce Room Dehumidifier for $56, which is $244 off the $300 list price — a steeper discount than you'd typically see on a home dehumidifier. At 95 ounces (roughly 3/4 gallon) of water capacity, this suits smaller rooms or spaces like a basement corner, bedroom, or closet where humidity is a persistent issue.

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Priced at $56, this is $244 off the $300 list price, which is a steeper discount than you'd typically see on a home dehumidifier. The 95-ounce tank capacity makes it suited for smaller spaces like a bedroom, closet, or bathroom where you want to pull moisture out of the air without running a full-sized unit. Buy Now at Walmart

Walmart has the Nepsam 9-Pint Dehumidifier for $99, which is $91 off the $190 list price. A 9-pint dehumidifier is sized for smaller spaces like a bedroom, bathroom, or closet, and works well if you deal with seasonal humidity or moisture issues in a single room rather than a whole basement. Buy Now at Walmart

Suits larger rooms or open-plan spaces where a standard compact humidifier can't keep up, and the dual cool and warm mist options let you use it year-round rather than just in dry winter months. At $63, it's $78 off the $141 list price. Buy Now at Walmart

A compact, low-cost humidifier suited for a small bedroom or office desk, running up to 12 hours on a single fill. At $16, that's $10 off the $26 list price. Buy Now at Walmart