LEVOIT Classic 300S Smart Ultrasonic Cool Mist Humidifier 6L
Best for Bedrooms
Typically £69–£89
Check Price on Amazon Paid linkHoneywell HCM350E Germ-Free Cool Mist Humidifier
Best for Hard water homes
Typically £69–£89
Check Price on Amazon Paid linkQuick comparison
| Feature | LEVOIT Classic 300S Smart Ultrasonic Cool Mist Humidifier 6L | Honeywell HCM350E Germ-Free Cool Mist Humidifier |
|---|---|---|
| Verdict | Buy | Buy |
| Typical price | £69–£89 | £69–£89 |
| Best for | Bedrooms | Hard water homes |
| Key feature | Quiet, smart and easy to fill | Evaporative design with no white dust |
| Tank | 6 L | 1 gal |
| Run time | Up to 60 hours | — |
| Type | — | Evaporative |
| Where to buy | Check Price Paid link | Check Price Paid link |
Main differences
Typical price
LEVOIT Classic 300S: £69–£89; Honeywell HCM350E: £69–£89.
Best for
LEVOIT Classic 300S: bedrooms; Honeywell HCM350E: hard water homes.
Standout
LEVOIT Classic 300S: quiet, smart and easy to fill; Honeywell HCM350E: evaporative design with no white dust.
Tank
LEVOIT Classic 300S: 6 L; Honeywell HCM350E: 1 gal.
Which should you choose?
Choose the LEVOIT Classic 300S Smart Ultrasonic Cool Mist Humidifier 6L if you
- want a quiet, top-fill humidifier with an app and auto humidity mode for a bedroom
- care most about top fill
Choose the Honeywell HCM350E Germ-Free Cool Mist Humidifier if you
- have hard water and want an evaporative humidifier that will not over-humidify
- care most about no white dust
Which specifications matter?
Focus on the differences above rather than headline numbers. For more options, see our list of the best humidifiers in the uk.
Not sure about either? Consider these
Levoit · Humidifiers
LEVOIT Dual 200S Smart Top-Fill Humidifier 3L
Buy it if You want a cheap, quiet humidifier for a small bedroom or nursery.
- Verdict
- Consider
- Best for
- Small bedrooms on a budget
- Typical price
- £39–£55
Pros
- Low price
- Top fill
Cons
- Small 3 L tank
Dyson · Humidifiers
Dyson Purifier Humidify+Cool PH03
Buy it if You want one premium device that purifies, humidifies and cools and money is no object.
- Verdict
- Skip
- Best for
- All-in-one shoppers
- Typical price
- £739–£869
Pros
- Three functions in one
- Sleek design
Cons
- Very expensive
Frequently asked questions
Which is better, the LEVOIT Classic 300S or the Honeywell HCM350E?
Choose the LEVOIT Classic 300S if you want a quiet, top-fill humidifier with an app and auto humidity mode for a bedroom. Choose the Honeywell HCM350E if you have hard water and want an evaporative humidifier that will not over-humidify.
Which is better value?
The LEVOIT Classic 300S typically costs £69–£89 and the Honeywell HCM350E typically costs £69–£89. The better value depends on which differences above matter to you.