Best Humidifiers & Dehumidifier on Sale

Replacement filters for the Core 300 air purifier, sold in a 2-pack at $3 off the $22 list price — worth stocking up on if you already own the purifier and want to keep a spare on hand. Buy Now at Walmart

Replacement filters are the kind of thing you buy when yours are already overdue, and keeping a spare 2-pack on hand means you're not scrambling mid-season when your humidifier starts underperforming. At $18, that's about $7 off the $25 list price. Buy Now at Walmart

Homes with basements, crawl spaces, or any room that stays damp would get the most use out of a 50-pint dehumidifier like this one, and at $209 you're paying $151 less than the $360 list price. Buy Now at Walmart

Replacement filters for the Shark HE400 series air purifiers, and at $29.99 you're saving about $1 off the list price. Buy Now at Walmart

The DuraComfort 50-pint dehumidifier includes a built-in pump, which means it can drain continuously without you needing to empty a bucket or position it near a floor drain. At $239, that's $121 off the $360 list price. Buy Now at Walmart

Replacement filters for air purifiers are the kind of thing you buy on a schedule whether you want to or not, so stocking up with a 2-pack at $23 saves you about $3 off the $26 list price. Buy Now at Walmart

EGEH is a lesser-known brand, so the main thing driving this purchase would be the price: $62 for a dehumidifier that lists at $300 is an 79% discount, which is unusually steep for this category and worth a look if you need to pull moisture out of a basement, crawl space, or bedroom without spending much. Buy Now at Walmart

A straightforward replacement filter for anyone who owns a Holmes HAPF600 air purifier, sold here at $4 off the $36 list price. Buy Now at Walmart

An 80-pint dehumidifier at this capacity is built for larger spaces like basements, crawl spaces, or open-floor-plan homes where moisture buildup is a consistent problem, and the included drain hose means you can set it to run continuously without emptying a bucket. At $162, it's $168 off the $330 list price, which is roughly half. Buy Now at Walmart

EGEH isn't one of the more recognized dehumidifier brands, but at $59, you're paying about $241 less than the $300 list price, which puts it in impulse-buy territory for anyone dealing with a damp basement, bathroom, or small room who doesn't want to spend on a name-brand unit. Buy Now at Walmart

Topteng's 9.8-liter capacity puts this in the upper range for home humidifiers, making it a reasonable option if you're covering a larger room or want to go longer between refills. At $56, that's $44 off the $100 list price. Buy Now at Walmart

A top-fill humidifier removes the hassle of flipping or disassembling the tank to refill it, which makes daily upkeep noticeably simpler, and at $27 it's $3 below the list price. Buy Now at Walmart

A 9-liter tank means fewer refills, which suits larger rooms or anyone who runs a humidifier continuously overnight. At $63, that's $43 off the $106 list price. Buy Now at Walmart

A compact, electric-free option for small enclosed spaces like closets, bathrooms, or car interiors where you want to pull moisture from the air without plugging anything in. At $27, that's $10 off the $37 list price. Buy Now at Walmart

Sized for basements, crawl spaces, or any room with persistent moisture issues, this 70-pint dehumidifier handles larger spaces where smaller units fall short. At $190, it's $40 off the $230 list price. Buy Now at Walmart

Warm mist humidifiers are generally better at killing bacteria in the water before it's dispersed, which makes this a reasonable pick for bedrooms or nurseries where air quality matters. At $65, you're paying $35 less than the $100 list price. Buy Now at Walmart

A portable USB-powered humidifier works well for a desktop, nightstand, or small room where you want to add some moisture without hauling out a full-size unit. At $18, it's $5 off the $23 list price. Buy Now at Walmart

Evaporative coolers work best in dry climates where low humidity lets the water evaporation process actually drop the air temperature, so this unit is a reasonable pick if you're in an arid region and want something more energy-efficient than a window AC. At $146, it's $54 off the $200 list price. Buy Now at Walmart

Removes excess moisture from basements, bathrooms, or other damp areas where humidity causes mildew or discomfort, and at $40 it's about half the $80 list price. Buy Now at Walmart