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Data Center Commercial Humidifier

Efficiently Condition and Cool

Humidifiers are a necessity for Data Centers. Maintaining humidity helps to avoid a static discharge situation. High pressure humidity is added to each air handler in a special wet section before the cooling coils, any moisture not absorbed in the section is collected on a droplet filter and drained.

High pressure humidifiers as a replacement for steam systems deliver significant energy savings and lower operating and maintenance costs especially compared to electric steam. They respond quickly and accurately to the needs of the building.

MeeFog systems both cool the air and add humidity to reduce static discharge. Evaporative coolers have been successfully employed by Facility Managers to dramatically reduce the cost of cooling data centers by either direct cooling of the air and/or by cooling air conditioning condensers.


  • Controlled, consistent humidification.
  • Allows for use of outside air for cooling while maintaining humidity levels.
  • Energy savings.
  • Low maintenance costs.

To find out more about how the system can work for you, contact a MeeFog sales engineer.

MeeFog HVAC Installation Diagram

Click the different areas of the diagram below to learn more information about our system.


HVAC Diagram
Reverse Osmosis Water Purification MeeFog Pump Staging Valves Nozzle Manifolds Mist Eliminator

Reverse Osmosis Water Purification

Reverse Osmosis Water Purification

City water is treated using the Reverse Osmosis water treatment rack. This purifies the water, removing minerals, particulate, and microorganisms. Systems include automated membrane flushing, pre-treatment filtration, and UV Re-Circulation.

MeeFog Pump

MeeFog Pump

The high-pressure pump maintains 1000 psi water pressure in order to atomize the water into tiny droplets that can evaporate into the air stream. The pump rack has a VFD with panel-mounted controller that maintains pressure when staging valves open and close.

Staging Valves

Staging Valves

The valve panel allows precise control over how much humidification is injected into the air stream based on a signal from the BMS. It is possible to control the humidification level in the space to plus or minus 1% RH.

Nozzle Manifolds

Nozzle Manifolds

Fog nozzles are mounted on stainless steel tubing inside the air handler. These nozzles produce droplets in the 10-micron range. These precision nozzles are manufactured and tested in Mee Industries' own facility.

Mist Eliminator

Mist Eliminator

The mist eliminator removes water droplets larger than 5 microns. The filter pads can come off their stainless steel frames and can be washed or replaced easily.

System Overview

Nozzle Comparison

At an operating pressure of 2000 psi, the resulting average droplet size is roughly one tenth the diameter of a single strand of human hair.

MeeFog System Benefits

  • Minimizes the risk of airborne infections.
  • Decreases the occurrence of respiratory issues in newborns.
  • Low energy consumption.
  • Precise humidity level control.
  • Elevates patient and staff overall comfort and virus protection.
  • Lowers employee absence rate.
  • Reduces premature drying and formation of scabs from coagulated blood.
  • Prevention of electrostatic damage to medical equipment.

Droplet Comparison

Small droplets have a larger surface to volume ratio compared to larger droplets. This allows them to evaporate much more rapidly than larger droplets.

Want Proof?

We’ll gladly supply a detailed payback analysis report for your Hospital or Medical Center including:

  • Installed MeeFog system cost.
  • Predicted process gains per year.

Featured Case Study

NCAR Uses MeeFog System to Prevent Electrostatic Damage to
its New Supercomputer

The Challenge:

When the National Center for Atmospheric Research (NCAR) decided to build a new supercomputing center, it wanted to take advantage of the free cooling available by the high, dry Wyoming environment. But using that dry air risked electrostatic damage to the $25-$35 million Yellowstone supercomputer, the data analysis and visual systems, and all the other storage, networking and ancillary equipment in the data center.

The Solution:

For reliable, energy-efficient humidification, NCAR installed a MeeFog system with two 1.5 HP ceramic plunger pumps delivering 2 gpm of fog into the air handlers, allowing NCAR to safely use outside air.


MeeFog Nozzle