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Humidifirst is an American company that has been manufacturing ultrasonic humidifiers since 1993 and holds two patents. Humidifirst manufactures only ultrasonic humidifiers and, compared to all other companies, has the most experience with this humidifier technology. Humidifirst invented the ducted/AHU model ultrasonic humidifier design currently used by other major humidifier companies. Humidifirst also invented the only mist-less humidifier.

DT Series of Ultrasonic Humidifiers

The DT Series ultrasonic humidifiers from Humidifirst are designed for use with air handling units and ventilation ductwork. Their unique discharge nozzles are reversible, allowing left or right sided access through existing ductwork. Humidifirst offers eight different models with varying capacities, weights, and dimensions.

  • Capacity: 10.6 – 80.0 #/HR
  • Power consumption: 240 va – 1860 va
  • Weight: 15 lbs – 56 lbs
  • Number of transducers: 8-62

Mist Pac Series of Ultrasonic Humidifiers

Humidifirst’s patented Mist-Pac series of ultrasonic humidifiers are designed for space-saving humidification and replacement of steam canister humidifiers. Each unit is designed and built for simplicity of installation and maintenance. Simply plug the electrical cord into a standard outlet, and turn the humidifier on. Humidifirst offers five different models with varying capacity, dimensions, and voltage.

  • Capacity: 5 – 40 #/HR
  • Voltage/power (watts): 120/140 – 120/1050
  • Weight: 10 lbs – 60 lbs

Mist-Free Series of Ultrasonic Humidifiers

Humidifirst’s patented Mist-Free series of ultrasonic humidifiers are perfect for environments where visible mist is objectionable, such as laboratories, small hospital equipment rooms, computer rooms, office areas, and low ceiling printing rooms. The Mist-Free ultrasonic humidifier is turn-key ready. It arrives factory assembled on lockable castors, which make it easy to roll into place. Humidifirst offers two models in the Mist-Free series.

  • Capacity: 9 and 19 #/HR
  • Power used: 360 va and 660 va
  • Dimensions: 23x18x84 and 36x25x84
  • Weight: 130 lbs and 225 lbs
  • Number of transducers: 8 and 16
  • Fan CFM: 320 and 640

Liebert Retrofit Series

The Liebert Retrofit replaces infrared and steam canister humidifiers inside Liebert 20 to 30 ton down-flow computer room air conditioners (CRACs). Liebert Retrofits use 1/12th the electricity of a steam canister humidifier and 1/15th the electricity of an infrared humidifier. This energy savings creates a very fast pay-back on the purchase price—about a year in many parts of the country.