What do reviews say about runtime?

TechGearLab measured about 46 hours of runtime from one tank.

What do reviews say about clean?

A small share of Best Buy buyers find the cleaning routine tedious.

What do reviews say about app?

Buyers like setting a target humidity and letting it cycle on and off.

Home & Kitchen · Humidifiers · 212 reviews · 2 sources

Levoit Classic 300S Humidifier

Best for: bedrooms and nurseriesBudget

A big-tank smart humidifier that runs for almost two days with a good app and auto humidity. Best for small rooms; cleaning can be a chore.

Tracking since Sep 2026

Buy if

You want long runtime per fill
You like app and auto humidity

Skip if

You need to humidify a big room
You hate regular tank cleaning

How it scores

Performance5.9

Noise5.7

Ease of cleaning4.8

Price

$80

You pay for: Budget smart humidifier

Reviewed Sep 2026 · 0 new reviews since · score unchanged

What people love

Most mentioned by reviewers

Easy to useTop-fill and simple app

Works wellHolds humidity reliably

QuietCalm enough for sleep

What people complain about

Most mentioned by reviewers

Small roomsNot for large spaces

Water typeDistilled water advised

Cleaning choreBase needs regular care

Reviewers disagree on

Easy daily refillsBase cleaning is tedious

Alternatives

Same price · $80

Ask about this product

Sources

Best Buy
TechGearLab
Reviewed Sep 2026

AI summary of public reviews, not a recommendation.