Head-to-head

Levoit Classic 300S vs Dreo HM713S vs Honeywell HCM-350

Levoit Classic 300S

9.4 $69.99

Dreo HM713S

8.9 $89.99

Honeywell HCM-350

9.1 $89

Verdict

Levoit Classic 300

The bedroom benchmark. A 6-liter top-fill tank runs up to 60 hours and refills like a kettle, while a sensor and Auto mode hold your target level hands-free. It's ultrasonic, so hard water means distilled or white dust, but for set-and-forget humidity it's the default.

Dreo HM713S

The winter bedroom pick. It does year-round cool mist but adds warm mist that takes the chill off dry air, while a ±5% sensor holds your target and a 6L tank runs all night. Warm mode draws real power and it's tall, but for soothing mist with smart control, it's the one.

Honeywell HCM-350

The humidifier for people who've killed one before. Evaporative means no white dust on any tap water, output that self-limits so it can't over-humidify, and dishwasher-safe parts. The fan is audible and the mist invisible, but for hard water and zero fuss, it's the choice.

Best for

Levoit Classic 300

Bedrooms where you want set-and-forget humidity: the built-in sensor holds your target level overnight, and the top-fill tank makes refills painless.

Dreo HM713S

Cold-winter bedrooms: warm mist takes the chill off dry air, the sensor holds your target humidity, and the large tank runs through the night.

Honeywell HCM-350

People who hate humidifier maintenance: no white dust ever, dishwasher-safe parts, and a design that physically can't over-humidify a room.

Avoid if

Levoit Classic 300

You're white-dust sensitive or have very hard water — like all ultrasonic models it benefits from distilled water, and the evaporative Honeywell sidesteps the issue entirely.

Dreo HM713S

There are young kids in the room and you'd run warm mist — hot-water output is a burn consideration — or you want zero-effort cleaning, where the evaporative picks win.

Honeywell HCM-350

You want visible mist, app control, or maximum quiet — evaporative fans are audible, and there's no smart anything here.

Score breakdown

fit

Levoit Cla

9.4

Dreo HM713

8.9

Honeywell

9.1

ease

Levoit Cla

9.4

Dreo HM713

8.9

Honeywell

8.9

value

Levoit Cla

9.2

Dreo HM713

8.6

Honeywell

8.8

quality

Levoit Cla

9.1

Dreo HM713

8.8

Honeywell

9.0

Specs

type

Smart ultrasonic cool-mist humidifier

Smart ultrasonic warm + cool mist humidifier

Evaporative cool-mist humidifier

noise

Whisper-quiet (≤30 dB)

Quiet (~28 dB; ~14 dB on cool)

—

price

~$79

~$99

~$89

smart

VeSync app + Alexa/Google; humidity sensor + Auto mode

Dreo app + Alexa/Google; cleaning reminders

—

extras

Aroma tray; 2-level night light

—

runtime

Up to ~60 hours (low)

—

Up to ~24 hours per fill

maintenance

Top-fill; easy to clean (use distilled water)

—

Dishwasher-safe tank/tray; replaceable wick (~$10-17)

tank coverage

6L top-fill; up to ~505 ft²

—

mist

—

Cool (300 mL/h) + warm (500 mL/h; 86°F in ~5 min)

Invisible moisture via wicking filter + fan (no white dust)

modes

—

Manual / Auto / Sleep; MistWave distribution

—

control

—

High-precision sensor (±5%); Auto 30-90%

—

tank runtime

—

6L top-fill; up to ~60 hours

—

fill

—

Bottom-fill (remove/flip tank)

regulation

—

Self-regulating (can't over-humidify)

germ control

—

UV kills up to 99.9% of bacteria/mold in water

Buy →Buy →Buy →

	Levoit Classic 300S	Dreo HM713S	Honeywell HCM-350
Score	9.4	8.9	9.1
Price	$69.99	$89.99	$89
Verdict	The bedroom benchmark. A 6-liter top-fill tank runs up to 60 hours and refills like a kettle, while a sensor and Auto mode hold your target level hands-free. It's ultrasonic, so hard water means distilled or white dust, but for set-and-forget humidity it's the default.	The winter bedroom pick. It does year-round cool mist but adds warm mist that takes the chill off dry air, while a ±5% sensor holds your target and a 6L tank runs all night. Warm mode draws real power and it's tall, but for soothing mist with smart control, it's the one.	The humidifier for people who've killed one before. Evaporative means no white dust on any tap water, output that self-limits so it can't over-humidify, and dishwasher-safe parts. The fan is audible and the mist invisible, but for hard water and zero fuss, it's the choice.
Best for	Bedrooms where you want set-and-forget humidity: the built-in sensor holds your target level overnight, and the top-fill tank makes refills painless.	Cold-winter bedrooms: warm mist takes the chill off dry air, the sensor holds your target humidity, and the large tank runs through the night.	People who hate humidifier maintenance: no white dust ever, dishwasher-safe parts, and a design that physically can't over-humidify a room.
Avoid if	You're white-dust sensitive or have very hard water — like all ultrasonic models it benefits from distilled water, and the evaporative Honeywell sidesteps the issue entirely.	There are young kids in the room and you'd run warm mist — hot-water output is a burn consideration — or you want zero-effort cleaning, where the evaporative picks win.	You want visible mist, app control, or maximum quiet — evaporative fans are audible, and there's no smart anything here.
Score breakdown
fit	9.4	8.9	9.1
ease	9.4	8.9	8.9
value	9.2	8.6	8.8
quality	9.1	8.8	9.0
Specs
type	Smart ultrasonic cool-mist humidifier	Smart ultrasonic warm + cool mist humidifier	Evaporative cool-mist humidifier
noise	Whisper-quiet (≤30 dB)	Quiet (~28 dB; ~14 dB on cool)	—
price	~$79	~$99	~$89
smart	VeSync app + Alexa/Google; humidity sensor + Auto mode	Dreo app + Alexa/Google; cleaning reminders	—
extras	Aroma tray; 2-level night light	—	—
runtime	Up to ~60 hours (low)	—	Up to ~24 hours per fill
maintenance	Top-fill; easy to clean (use distilled water)	—	Dishwasher-safe tank/tray; replaceable wick (~$10-17)
tank coverage	6L top-fill; up to ~505 ft²	—	—
mist	—	Cool (300 mL/h) + warm (500 mL/h; 86°F in ~5 min)	Invisible moisture via wicking filter + fan (no white dust)
modes	—	Manual / Auto / Sleep; MistWave distribution	—
control	—	High-precision sensor (±5%); Auto 30-90%	—
tank runtime	—	6L top-fill; up to ~60 hours	—
fill	—	—	Bottom-fill (remove/flip tank)
regulation	—	—	Self-regulating (can't over-humidify)
germ control	—	—	UV kills up to 99.9% of bacteria/mold in water
	Buy →	Buy →	Buy →

PickGrade may earn a commission from purchases made through links on this page, at no extra cost to you. This never affects our grades. Full disclosure.