Vertiv 7203E-29-B 29kW Precision Air Cooling Unit

Overview

The Vertiv 7203E-29-B is a precision cooling unit engineered for data center and server room environments where thermal management must stay ahead of high-density compute loads. Rated at 98.9 kBtuh (29 kW) total nominal sensible capacity and measuring 72 inches tall by 29 inches wide in a black cabinet form, the 7203E-29-B is sized to fit standard aisle containment layouts without sacrificing cooling headroom. If your rows are running dense blade chassis or converged infrastructure, this unit is built for exactly that thermal profile — not the occasional hotspot, but sustained, continuous heat extraction at data center scale.

Part of the Vertiv precision cooling line, the 7203E-29-B operates with R-410A refrigerant and supports both upflow and downflow air delivery, giving you flexibility to match existing raised-floor or overhead-distribution architectures without a mechanical redesign. Explore the broader Vertiv cooling and power catalog for companion units and infrastructure components.

Key Features

• 98.9 kBtuh (29 kW) Total Nominal Sensible Capacity: At 91.4 kBtuh (26.8 kW) net sensible, this unit handles the heat load from dense compute rows without throttling — that margin matters when blade densities spike during peak processing cycles.
• 4,300 CFM Nominal Airflow: Moving 4,300 cubic feet of air per minute means you get enough volume to sweep heat away from high-wattage servers consistently, not just at low-load conditions. That airflow rate is meaningful in hot-aisle containment configurations where stagnant zones form quickly.
• Variable Speed EC Fans (Capacity Modulation): Electronically commutated fan motors adjust speed in response to actual thermal demand rather than running at fixed output. In practice, this cuts fan energy consumption during off-peak hours and reduces acoustic output — a real factor in co-location and edge deployments where noise and utility costs both matter.
• Upflow and Downflow Airflow Direction: Dual-direction airflow support means the same unit can serve a raised-floor plenum delivery setup or a top-of-room overhead distribution layout. That flexibility reduces retrofit costs when you're repurposing existing infrastructure rather than building from scratch.
• R-410A Refrigerant Heat Rejection: R-410A is a widely available refrigerant with well-established service infrastructure, which simplifies field maintenance and refrigerant sourcing compared to less-common alternatives in precision cooling systems.
• Liebert iCOM Unit Control: The integrated Liebert iCOM controller provides on-unit monitoring and management with the ability to integrate into broader building management systems and DCIM platforms. Rather than managing cooling in isolation, iCOM gives facilities teams visibility into unit performance alongside the broader infrastructure — temperature setpoints, alarms, and operational data without requiring a separate controller overlay.
• 72 in H × 29 in W Cabinet Form Factor: At 72 inches tall and 29 inches wide, this unit is sized to coexist with standard 42U and 48U server racks without consuming disproportionate floor space. The black finish matches standard rack deployments for a clean installation appearance.
• 105.9 kBtuh (31 kW) Total Capacity: Total capacity headroom above the nominal sensible rating provides buffer for latent heat loads and transient spikes — meaning the unit won't be running at its ceiling during normal operation.

Integration and Compatibility

The Liebert iCOM control system is designed to interface with standard BACnet and SNMP-based data center cooling management platforms, making integration into existing DCIM or BMS environments straightforward. The iCOM controller supports remote monitoring, alarm notification, and performance trending — capabilities that matter for facilities teams managing multiple cooling units across a data center floor. If you are building out a full infrastructure stack, pair this unit with compatible power distribution and UPS solutions to ensure thermal and power management are coordinated.

For environments with strict floor space constraints, the 29-inch width is a key differentiator — it allows installation in narrower equipment rooms and edge deployments where a standard 36-inch-wide unit would not fit without a major layout revision. Review our data center infrastructure guide for aisle containment planning considerations before finalizing unit placement.

Frequently Asked Questions

Q: What is the sensible cooling capacity of the Vertiv 7203E-29-B?

A: The 7203E-29-B delivers 91.4 kBtuh (26.8 kW) net sensible capacity, with a total nominal sensible capacity of 98.9 kBtuh (29 kW) and a total capacity of 105.9 kBtuh (31 kW).

Q: Does the 7203E-29-B support both upflow and downflow air delivery?

A: Yes. The unit supports both upflow and downflow airflow configurations, allowing it to integrate with raised-floor plenum systems or overhead air distribution layouts without mechanical modification.

Q: What refrigerant does the 7203E-29-B use?

A: The 7203E-29-B uses R-410A refrigerant for heat rejection. R-410A is widely available and supported by standard HVAC service infrastructure.

Q: What controller does the 7203E-29-B ship with?

A: The unit ships with the Liebert iCOM unit control system, which provides local monitoring, setpoint management, alarm handling, and integration capability with BMS and DCIM platforms.

Q: How does the 7203E-29-B modulate capacity?

A: Capacity modulation is achieved through variable speed electronically commutated (EC) fans, which adjust airflow output based on actual thermal load rather than running at a fixed speed. This improves energy efficiency during partial-load conditions.

Q: What are the physical dimensions of the 7203E-29-B?

A: The unit is 72 inches tall by 29 inches wide. The black cabinet finish is designed to integrate with standard rack row deployments.

Marty Allison

When I look at the 7203E-29-B, the spec that stands out immediately is the 4,300 CFM airflow paired with variable-speed EC fans — that combination is what separates a unit that handles sustained high-density load from one that struggles at peak. At 29 kW nominal sensible and 91.4 kBtuh net sensible, this unit is sized for serious compute rows, not light-duty server closets.

Technical Highlights:

• Variable Speed EC Fans: Fan energy is typically 30–50% of a precision cooling unit's total power draw. EC motors with variable speed control cut that significantly during partial-load hours — meaningful in environments where servers idle overnight but the cooling system has historically run flat-out regardless.
• Dual Airflow Direction (Upflow/Downflow): The ability to configure airflow direction at installation without a different SKU is a real advantage during retrofits. You're not locked into a floor-plenum architecture if the facility changes layout or adds overhead distribution later.
• Liebert iCOM Control: iCOM is a mature platform with BACnet and SNMP integration paths already in the field at scale. If your facilities team is already running a DCIM overlay, iCOM plugs in without a custom integration project.

Deployment Considerations:

• The 29-inch width is narrower than many competing units in this capacity class — verify your aisle containment panels and floor tile cutouts are sized accordingly before scheduling delivery. Field modifications after installation are costly.
• R-410A is the refrigerant standard for this unit. Confirm your service team holds the appropriate EPA 608 certification and has R-410A recovery equipment on-hand before commissioning — this is sometimes overlooked on first deployments.

The 7203E-29-B is the right unit for a mid-density data center row or an edge compute installation where floor space is constrained to 29 inches of width but thermal load still hits the 25–29 kW range — environments where a larger-footprint unit simply won't fit and an undersized unit would throttle under load.