Humidifiers / PureGuardian / Digital warm and cool mist ultrasonic humidifier
PureGuardian · 7.1

Digital warm and cool mist ultrasonic humidifier

Updated 2026-11-03

The PureGuardian H7550 is a versatile ultrasonic humidifier capable of producing both warm and cool mist to suit seasonal needs. With a high output capacity of up to 10L per day, it is engineered to maintain comfortable humidity levels in large rooms and offices.

The unit features a user-friendly digital display and an automatic humidistat that monitors the air to maintain your desired moisture level. A built-in timer allows for scheduled operation, ensuring the device runs only when needed to conserve energy and water.

Designed for quiet performance, this 1 gallon humidifier includes an auto shut-off feature for safety when the tank is empty. Its sleek design fits well in professional environments or home settings where consistent air quality is a priority.

Digital warm and cool mist ultrasonic humidifier
At a glance

The short list

After reading 8 reviews

The upsides

  • Quiet operation 4
  • Directional mist wand 3
  • Fine mist output 3
  • Easy setup 2
  • Easy to clean 2
  • Empty tank indicator 1
  • Humidity level display 1
  • Large tank capacity 1

Called out less

  • Inaccurate humidistat 3
  • Bright display 2
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What’s listed

Label
PureGuardian
Facts
Cool mist Ultrasonic With auto shut-off With timers Warm mist 1 gallon
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