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Best Humidifiers

Which Humidifiers performed best in our tests?

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We tested 29 humidifiers to determine the best-performing models. Our expert lab technicians tested each Humidifier based on the following criteria:

  • Noise
  • Convenience
  • Efficiency
  • Output
  • Hard Water

Below lists the Humidifiers that rated best in each of the tests our experts looked for. Learn about how these tests were performed and find out which Humidifier is rated best when you subscribe.

Consumer Reports Ratings for Best Humidifiers

ratingsBest Humidifier for Noise
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Noise is based on the sound level, in decibels, at the unit¿s highest operating setting.


This Humidifier which tested best for Noise has the following features: Automatic shut-off when empty, Weekly maintenance required, Indicator for empty tank, Antimicrobial claims, Dual mist, Claimed maximum run time (hrs.), Claimed wattage, Cord length (in.), Claimed humidification area, Full tank weight (lbs.) and Style.

ratingsBest Humidifier for Convenience
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Convenience is the ease of operating and maintaining a unit.


This Humidifier which tested best for Convenience has the following features: Need to replace filter or wick, Antimicrobial claims, Antimicrobial effectiveness, Claimed maximum run time (hrs.), Claimed wattage, Cord length (in.), Claimed humidification area, Full tank weight (lbs.) and Style.

ratingsBest Humidifier for Efficiency
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Efficiency is the energy, in Watt-hours, required to emit a gallon of water into the air.


This Humidifier which tested best for Efficiency has the following features: Automatic shut-off when empty, Weekly maintenance required, Indicator for empty tank, Antimicrobial claims, Dual mist, Claimed maximum run time (hrs.), Claimed wattage, Cord length (in.), Claimed humidification area, Full tank weight (lbs.) and Style.

ratingsBest Humidifier for Output
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Output is based on the number of gallons emitted daily per square foot of the recommended humidification area.


This Humidifier which tested best for Output has the following features: Need to replace filter or wick, Antimicrobial claims, Antimicrobial effectiveness, Claimed maximum run time (hrs.), Claimed wattage, Cord length (in.), Claimed humidification area, Full tank weight (lbs.) and Style.

ratingsBest Humidifier for Hard Water
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Hard water is the percentage of the output filled with tap water a unit produces when filled with hard water.


This Humidifier which tested best for Hard Water has the following features: Automatic shut-off when empty, Daily maintenance required, Nightlight or glow-in-the-dark, Weekly maintenance required, Indicator for empty tank, Antimicrobial claims, Antimicrobial effectiveness, Warm mist only, Claimed maximum run time (hrs.), Claimed wattage, Cord length (in.), Claimed humidification area, Full tank weight (lbs.) and Style.