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Best Humidifiers

Consumer Reports Ratings for Best Humidifiers

Best Humidifiers

We tested 26 humidifiers to determine the best-performing models. Our expert lab technicians tested each Humidifier based on the following criteria:

  • Hard water
  • Convenience
  • Output
  • Noise
  • Efficiency

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

Best Humidifier for Hard water

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: Humidistat, Antimicrobial claims, Dual mist, Weekly maintenance required, Need to replace cartridge, Indicator for empty tank, Automatic shut-off when empty, Claimed humidification area, Full tank weight (lbs.), Style, Cord length (in.) and Claimed wattage.

Best Humidifier for Convenience

Convenience is the ease of operating and maintaining a unit.


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

Best Humidifier for Output

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: Humidistat, Programmable, Antimicrobial claims, Dual mist, Weekly maintenance required, Need to replace cartridge, Indicator for empty tank, Automatic shut-off when empty, Claimed humidification area, Full tank weight (lbs.), Style, Claimed maximum run time (hrs.), Cord length (in.) and Claimed wattage.

Best Humidifier for Noise

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: Humidistat, Antimicrobial claims, Dual mist, Weekly maintenance required, Need to replace cartridge, Indicator for empty tank, Automatic shut-off when empty, Claimed humidification area, Full tank weight (lbs.), Style, Cord length (in.) and Claimed wattage.

Best Humidifier for Efficiency

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: Humidistat, Antimicrobial claims, Dual mist, Weekly maintenance required, Need to replace cartridge, Indicator for empty tank, Automatic shut-off when empty, Claimed humidification area, Full tank weight (lbs.), Style, Cord length (in.) and Claimed wattage.