The Levoit Classic 300S Smart Ultrasonic Cool Mist Humidifier meets
the Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier
The quiet, high-output cool-mist pick that lands at the top of nearly every lab test. We tested it head-to-head against the Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier across 6 key dimensions.
Levoit Classic 300S Smart Ultrasonic Cool Mist Humidifier
“The quiet, high-output cool-mist pick that lands at the top of nearly every lab test”
Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier
“A whisper-quiet small-room humidifier that costs about half of the winner”
Head-to-Head Breakdown
Strengths & Weaknesses
Levoit Classic 300S Smart Ultrasonic Cool Mist Humidifier
- Reviewed ranked it Best Overall for strong humidity output in chamber testing
- Good Housekeeping praised the wide top-fill opening that makes filling and cleaning simple
- Wi-Fi app, scheduling and a humidistat give it smart control most cool-mist units lack
- Reviewed flagged high energy usage compared with evaporative models
- As an ultrasonic unit it can leave white dust if you run hard tap water
- The tank still needs regular descaling to avoid mineral buildup
Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier
- HGTV named it Best Value for keeping small rooms comfortable at around $40
- Reviewers consistently describe near-silent operation that suits a nightstand
- Mattress Clarity liked the wide-mouth tank and included cleaning brush
- BabyGearLab measured low humidity output, ranking it ninth in its lab field
- The 1.7 liter tank covers only about 250 square feet and needs frequent refills
- No humidistat or auto shut-off beyond running dry, and no app
The Verdict
Our Bottom Line
The Levoit Classic 300S sits at the top of more independent tests than any other model we tracked. Reviewed ran it in a climate-controlled chamber and ranked it Best Overall for strong humidity gains and quiet operation, and Good Housekeeping also named it their best overall cool-mist pick, calling out the wide top-fill opening that makes filling and cleaning easier than most rivals. RTINGS placed it near the top of its lab field with a 7.3 home score.
Levoit Classic 300S Smart Ultrasonic Cool Mist Humidifier
The Levoit Classic 300S sits at the top of more independent tests than any other model we tracked. Reviewed ran it in a climate-controlled chamber and ranked it Best Overall for strong humidity gains and quiet operation, and Good Housekeeping also named it their best overall cool-mist pick, calling out the wide top-fill opening that makes filling and cleaning easier than most rivals. RTINGS placed it near the top of its lab field with a 7.3 home score.
- Bedrooms and medium rooms up to about 500 square feet
- Anyone who wants app control and a set-and-forget humidistat
- Light sleepers who need quiet overnight operation
- Buyers who want a proven pick without researching further
Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier
The Pure Enrichment MistAire does one job well for about half the price of the winner. HGTV named it Best Value for keeping a small room comfortable, and it showed up in three of our sources, which is rare for a $40 unit. It is genuinely quiet, comes with a cleaning brush and a wide-mouth tank, and the 360-degree nozzle plus optional night light make it an easy nightstand companion.
- Small bedrooms, nurseries and offices under 250 square feet
- Shoppers on a tight budget around $40
- People who want a simple, quiet nightstand unit
- Anyone who does not need smart features or a large tank