Liebert Direct Evaporative Freecooling Unit, 150-600+kW

The Liebert Direct Evaporative Freecooling Unit delivers the lowest capital and operating costs, with a mechanical PUE of less than 1.1, streamlined installation and the industry’s lowest peak power consumption. Options are available for supplemental DX (direct expansion) or chilled water cooling sized for full or trim cooling.


DX or chilled water secondary cooling options sized for full or trim cooling
EC fan or direct drive fans with VFD options, in single or fan array configurations
Integrated bypass damper
Self-optimizing controls with machine-to-machine communications and advanced algorithms
Design minimizes required electrical infrastructure


PUE less than 1.1
Lower power consumption
Minimal water usage
Eliminate over-cooling or under-cooling
Controls teamwork modes
harmonize multiple cooling units for higher efficiency and protection.
Low kW per unit - downsizes electrical infrastructure
Controls require little if any customization