Key takeaways
- Best overall: LEVOIT Classic 300S Smart Ultrasonic Cool Mist Humidifier 6L ($69 – $89).
- Best value: Honeywell HCM-350 Germ Free Cool Mist Humidifier ($59 – $79).
- Ultrasonic models are quiet; evaporative models do not produce white dust.
In this article
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Not sure which humidifiers to buy in the US? This list keeps it short: our top pick, the best-value option, the premium choice and the models we would avoid, all with typical prices.
Prices are typical ranges, not live prices. The button on each pick opens the current price.
Quick answer
- Best overall: LEVOIT Classic 300S Smart Ultrasonic Cool Mist Humidifier 6L ($69 – $89)
- Best value: Honeywell HCM-350 Germ Free Cool Mist Humidifier ($59 – $79)
Humidifiers compared
| Product | Verdict | Score | Typical price |
|---|---|---|---|
| LEVOIT Classic 300S Smart Ultrasonic Cool Mist Humidifier 6L | Buy | 8.6/10 | $69 – $89 |
| Honeywell HCM-350 Germ Free Cool Mist Humidifier | Buy | 8.2/10 | $59 – $79 |
| Canopy Bedside Humidifier | Consider | 7.6/10 | $125 – $150 |
| Dyson Purifier Humidify+Cool PH03 | Skip | 6.3/10 | $799 – $949 |
Our picks in detail
LEVOIT Classic 300S Smart Ultrasonic Cool Mist Humidifier 6L
Bedrooms · Verdict: Buy · Score: 8.6/10 · Typical price: $69 – $89
Why we like it: Quiet, smart and easy to fill.
Pros: Top fill · Auto humidity mode · App and voice control · Very quiet
Cons: Ultrasonic can leave white dust with hard water · Needs weekly cleaning
Buy it if you want a quiet, top-fill humidifier with an app and auto humidity mode for a bedroom.
Skip it if you have hard water and do not want to clean white dust; use distilled water or an evaporative model.
Honeywell HCM-350 Germ Free Cool Mist Humidifier
Hard water homes · Verdict: Buy · Score: 8.2/10 · Typical price: $59 – $79
Why we like it: Evaporative design with no white dust.
Pros: No white dust · Self-regulating evaporation · UV technology
Cons: Wicks need replacing · Fan noise
Buy it if you have hard water and want an evaporative humidifier that will not over-humidify.
Skip it if you want the quietest option; the fan is audible.
Canopy Bedside Humidifier
Easy cleaning · Verdict: Consider · Score: 7.6/10 · Typical price: $125 – $150
Why we like it: Dishwasher-safe and mold-resistant design.
Pros: Dishwasher-safe parts · No mist, no white dust · Attractive design
Cons: Pricey · Small room coverage
Buy it if you want a humidifier that is easy to clean and resists mold.
Skip it if you need to humidify a large space.
What to check before you buy
- Ultrasonic models are quiet; evaporative models do not produce white dust.
- Tank size decides how often you refill; overnight use needs a bigger tank.
- Easy-clean tanks prevent mold and bacteria.
What to skip
Common mistake: Running it too high, which causes condensation and mold.
We would also skip these at their usual prices:
- Dyson Purifier Humidify+Cool PH03 ($799 – $949) – Skip it if you want value; a separate HEPA purifier and humidifier cost a fraction of the price and work as well.
When to buy
The deepest discounts usually arrive during the big summer sales in July, the October sales events and Black Friday through Cyber Monday in late November. A simple, easy-to-clean humidifier beats a feature-packed one you will not clean.
Compare more options
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Related reading
Frequently asked questions
What are the best humidifiers in the US?
Our top pick is LEVOIT Classic 300S Smart Ultrasonic Cool Mist Humidifier 6L (typically $69 – $89). For the best value, choose Honeywell HCM-350 Germ Free Cool Mist Humidifier (typically $59 – $79).
What should I check before buying humidifiers?
Ultrasonic models are quiet; evaporative models do not produce white dust. Tank size decides how often you refill; overnight use needs a bigger tank.
When is the best time to buy humidifiers in the US?
The deepest discounts usually arrive during the big summer sales in July, the October sales events and Black Friday through Cyber Monday in late November.
What is the most common mistake when buying humidifiers?
Running it too high, which causes condensation and mold.