
Precision Cooling
Vertiv Liebert PEX4 Plus
Precision environmental control for equipment rooms and data halls with variable thermal loads.
Review the seriesRoom, row and hybrid architectures
Match cooling architecture to load density, airflow, climate and expansion—not just nominal room tonnage.
Final design and equipment selection require project-specific engineering inputs.
Target outcome
Why this is difficult
Engineering workstreams
Before we size equipment
If some values are not yet known, say so. The uncertainty itself becomes part of the engineering review.
Relevant product families

Precision Cooling
Precision environmental control for equipment rooms and data halls with variable thermal loads.
Review the series
Precision Cooling
Close-coupled in-row precision cooling for dense rack environments and contained aisles.
Review the series
Precision Cooling
A 260–350 kW prefabricated precision-cooling family with side- or roof-mounted configurations.
Review the seriesRequest a project review
Our engineering team will turn the brief into a product shortlist, open technical questions and a quotation path.