
Aimed at homeowners dealing with damp basements, crawl spaces, or humid rooms up to 2,000 square feet, this unit lets you monitor and adjust settings remotely through a WiFi app so you are not manually checking it. It is currently $95, down from the $200 list price. Apply coupon code "PD9U5LA9" for a savings of $105. Buy Now at Amazon
- Control humidity remotely with smart WiFi app and timer
- Remove 30 pints/day for spaces up to 2,000 sq ft
- Choose Auto, 30–80% RH setpoint, or Laundry Dry mode
- Sleep quietly and prevent changes with child lock
- Avoid spills with auto-stop tank; use included drain hose

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

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
- Control humidity remotely with app, adjustable 30–80% RH, timer
- Dehumidify up to 5,000 sq ft with turbo mode
- Choose tank or continuous hose drain for hands-free use
- Prevent spills with auto shutoff and clear water level gauge
- Sleep and work undisturbed with under-45dB quiet operation

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

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
- auto shut-off
- 200ml capacity water tank

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
- Humidify up to 538 sq ft for large rooms
- Run up to 36 hours per fill
- Auto-maintain 40–90% humidity with built-in sensor
- Customize mist with 5 levels and 360° nozzle
- Top-fill design runs quietly; auto-shuts off when empty

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
- 5L tank runs up to 25 hours between refills
- Sleep mode dims lights and keeps operation under 28dB
- Control settings from bed with 4–5m remote
- Auto-humidity mode maintains 50–70% RH automatically
- Top-fill, detachable tank refills fast without spills

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
- Diffuse essential oils, humidify air, and add ambient light
- Auto shut-off prevents dry-burn when water is low
- Whisper-quiet 24dB operation for sleep, work, and exercise
- 24V high-power atomization scents rooms more evenly
- Made from baby-bottle-grade eco-friendly PP material

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
- Replaces AIRCARE EA1407 and Emerson Moist models

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
- Hand-washable reusable filter reduces replacement costs
- Filter lasts over three months before replacement
- Slide-to-adjust control panel enables quick setting changes
- Tap +/− buttons deliver precise adjustments
- Maintains air quality while filtering impurities

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
- Remove moisture faster with dual-core, L1/L2 speed control
- Schedule runtime with 24-hour timer to cut power costs
- Sleep quietly under 30dB with reduced-noise silent mode
- Prevent ice buildup with automatic defrost in cold rooms
- Move easily with compact size, handle, removable water tank

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
- Portable 300mL humidifier powers via USB anywhere
- Whispersilent ultrasonic cold mist for comfortable breathing
- Auto shutoff prevents damage when water runs out
- Colorful nightlight creates a calming bedside glow
- Add water-soluble aromatherapy for customized scent

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
- Fits many Honeywell humidifiers: HCM, HEV, Enviracaire series
- Replaces Honeywell Filter A: HAC-504, HAC-504AW
- Cleans humidifier output for fresher, cleaner indoor air
- Helps maintain comfortable indoor humidity for family comfort
- Broad model coverage reduces guesswork when buying replacements

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
- Up to 40-hour runtime reduces refills
- Covers up to 505ft² for large rooms
- Auto-adjusts mist to maintain 40–60% humidity
- Ceramic filter prevents mold and reduces white dust
- Auto shut-off and top-fill design prevent spills

For anyone who wants to add moisture or scent to a room without spending much, this combo humidifier and oil diffuser covers both functions in one small unit. It's currently $14, down from the $21 list price. Buy Now at Walmart
- Control all functions with one button press
- Travel-ready USB humidifier for bedroom, office, and trips
- Set dimmable night light with warm/white/neutral modes
- Auto shut-off prevents damage when water runs out
- Ultra-quiet 5μm mist spreads evenly without wet surfaces

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
- Covers rooms up to 20m² for effective aromatherapy
- 130ml tank delivers long-lasting cool mist
- Customize ambiance with 7-color lighting and fixed modes
- Runs quietly under 36dB for undisturbed relaxation
- Auto shuts off when water runs out for safety

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
- 25dB quiet operation for undisturbed sleep
- 4.5L tank runs up to 45 hours
- Leak-proof 360° mist for even humidification
- Auto shut-off prevents dry burning when empty
- Removable parts for thorough, easy cleaning

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
- Humidify up to 750 sq ft rooms effectively
- Run 26 hours per fill with 9L tank
- Auto-maintain 40–75% humidity with intelligent control
- Aim mist anywhere with 360° rotating nozzle
- Sleep quietly under 35dB with adjustable LED display

A 2-liter top-fill humidifier suits anyone who wants to add moisture to a bedroom or small room without the hassle of removing a tank to refill it, and at $20, it's $10 below the list price. Buy Now at Walmart
- Choose low/medium/high mist for any room size
- Dual ultrasonic spray delivers fine mist without wet surfaces
- Run up to 10 hours continuous or 20 intermittent
- Sleep quietly at 35dB while humidifying
- Use soft night light and carry easily with handle