
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
- 32-hour runtime
- auto-off timer
- night light
- 3L tank

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
- 95-oz. water tank capacity
- Covers up to 1,000 sq. ft.
- Under 30 dB in sleep mode
- 7-color LED ambient lighting
- Auto shut-off when tank is full or misaligned

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
- 26dB quiet operation
- covers up to 500-sq. ft.
- adjustable RGB nightlight
- measures 5.12"D x 11.42"W x 13.45"H
- 300ml/h moisture output

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
- app-controlled functionality
- large water tank size
- low noise level

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
- 333-sq. ft. coverage
- renewable solution
- lasts up to 4 weeks
- Model: E-333

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
- 64-pint capacity
- 40%–80%RH Control
- Energy Star 2025 Certified
- Washable Filter
- Model: VGE033A3BS

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
- H13 True HEPA filtration captures 99.97% of airborne particles
- Built-in humidifier adds moisture to dry indoor air
- Aromatherapy tray supports essential oils
- Smartphone app controls settings remotely
- Model: 70692

Runs quietly and covers small rooms like bedrooms or offices, making it a practical pick for anyone dealing with dry air from heating or AC. At $16, that's $12 off the $28 list price. Buy Now at Walmart
- 3-speed mist output for customized humidity
- Nano ultrasonic atomization for skin-friendly mist
- 2-liter capacity with 20-hour battery life
- Ultra-quiet 35dB operation for undisturbed sleep
- Portable design with integrated night light

Sized for a bedroom or small office, this ultrasonic humidifier runs quietly and holds enough water to cover several hours of use without constant refilling. At $26, it's $4 off the $30 list price. Buy Now at Walmart
- 3.2L tank provides 28 hours of continuous mist
- Convenient top-fill design for easy refilling
- Whisper-quiet operation for undisturbed baby sleep
- BPA-free construction with auto shut-off safety
- Built-in 7-color soft ambient night light

A small humidifier like this suits a desk, nightstand, or small room where you want to add some moisture without a bulky unit, and at $17, it's about $6 off the list price. Buy Now at Walmart
- Ultra-compact cordless design for travel
- Three mist modes with auto shut-off
- Quiet operation with 1-9 hour timer
- 500ml top-fill tank with dual power
- Combats dry air for skin and sinus relief

Compact enough to sit on a nightstand or desk, this humidifier works well for single-room use when you just need a bit of moisture added to dry air without running a full-size unit. Buy Now at Home Depot

Pulls up to 100oz of moisture per day and runs quietly enough for a bedroom or home office, which makes it a reasonable pick for anyone dealing with dampness in a small-to-medium space. At $65, it's $65 off the $130 list price. Buy Now at Walmart
- Removes 34oz moisture daily
- Quiet sleep mode operation
- Integrated 5-color ambient night light
- Automatic shut-off for overflow prevention
- Portable design covers 1000 square feet

Handy for anyone dealing with humidity in closets, basements, or storage spaces, since buying refills in bulk keeps you from making frequent restocking trips. Buy Now at Walmart
- 18 pre-measured unscented refill bags
- Absorbs moisture in spaces up to 100 sq ft
- No electricity, batteries, or tools required
- Mess-free, individually wrapped refill bags
- Fits Humydry Compact 8.8 oz devices

Handles both warm and cool mist in a 6-liter tank, which suits larger rooms or anyone who wants year-round use without swapping units between seasons. At $80, that's $40 off the $120 list price. Buy Now at Walmart
- 6L tank runs for 60 hours
- Rapid 5-minute heating up to 133°F
- Covers rooms up to 600 square feet
- Precise humidity control with LED monitoring
- Ultra-quiet 28dB operation

Replacement humidifier filters are one of those things that are easy to forget until your unit stops working well, so having a 2-pack on hand means you're covered for two filter changes without needing to reorder. Buy Now at Walmart
- High-quality filtration for optimal moisture output
- Compatible with AIRCARE MA0800, MA08000, MA0600, MA0601 models
- Absorbent paper material ensures effective humidification
- Easy installation process with pre-soak requirement
- Replacement filter extends humidifier lifespan

Toss these into your humidifier's water tank to help prevent mineral buildup and bacteria growth without scrubbing, and at $11, they're $2 off the usual $13 list price. Buy Now at Walmart
- Clean mist for up to 30 days per ball
- Eliminates mineral buildup and white dust
- Inhibits 99% of odor-causing bacteria
- Chemical-free purification for healthier air
- Compatible with all humidifier types and fish tanks

Covers spaces up to 4,500 sq. ft. and pulls 110 pints of moisture per day, which makes it a reasonable fit for large basements, crawl spaces, or any room with persistent humidity problems. At $360, that's $180 off the $540 list price. Buy Now at Walmart
- 110-pint moisture removal capacity
- Energy Star 2024 certified efficiency
- Precision humidity control
- Flexible dual-option drainage
- Multiple intuitive control methods

Sized for basements and crawl spaces rather than a single room, a 90-pint dehumidifier like this one is built for spaces with serious moisture problems where a smaller consumer unit won't keep up. At $942, that's about $105 off the $1,047 list price. Buy Now at Walmart
- Removes 198 pints of moisture daily
- Covers up to 2,600 square feet
- Integrated auto-defrost and auto-restart functions
- Adjustable humidity settings from 36% to 90%
- Operates in temperatures from 33.8 to 104 degrees F

Sized for larger spaces like basements or garages, a 70-pint dehumidifier pulls a significant amount of moisture out of the air daily and is worth considering if you deal with dampness, musty odors, or humidity-related issues seasonally or year-round. At $170, that's $60 off the $230 list price. Buy Now at Walmart
- Removes 70 pints of moisture daily
- Customizable humidity control from 30% to 90% RH
- Supports continuous drainage with included hose
- Automatic shutoff and alarm when tank is full
- Child lock and automatic defrost for safe operation

Sized for a small room, closet, or bathroom, this compact dehumidifier pulls moisture from the air without taking up much floor space, and at $40 it's about $31 off the $71 list price. Buy Now at Walmart
- Removes moisture from small spaces quickly
- Operates quietly under 35dB for bedroom use
- Auto shutoff with indicator for tank capacity
- Auto-defrost enables reliable year-round performance
- Lightweight portable design with carry handle