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HCS in production now. Ready to deploy.

From a single cooling unit to the complete data center build.

GW Modular engineers and factory-builds the modular MEP backbone of high-density data centers: cooling, hot aisle containment, power distribution, generation, and complete modular builds. Every module is pre-integrated and tested in our Houston shop and delivered ready to set.

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HCS cooling unit, factory-built and in production nowHCS cooling unit, in production now
HCS
In production today
400k sq ft
Houston integration facility
140-270kW
HCS cooling range per unit
1,400/mo
Peak HCS shop output
In-house engineering

We engineer your modular program. You skip the MEP firm.

Most modular jobs force the owner to hire a large MEP firm to design the program for the site, then hand drawings to a fabricator. GW Modular does both. Our engineers design the power and cooling program and build it in the same shop, so design and delivery never split, the schedule compresses, and cost comes down.

One team, design to delivery

The engineers who design your modular program are the ones who fabricate it. No MEP-firm handoff and no translation loss between the drawing and the floor.

Skip the separate MEP cycle

You do not need to retain a large MEP firm to design the modular program for your site. We carry that scope, which removes an entire design phase from your schedule and your budget.

350+ years of modular DC experience

Our engineering bench carries 350+ combined years designing data center modular power and cooling, backed by 700+ DBM Global modelers and detailers.

The module family

Start with one product. Build up to the entire data center.

The HCS is in production today. Around it, the same shop engineers and builds to order every layer of the build: cooling, containment, power, generation, plant infrastructure, the stacked power-and-cooling core, and finally the complete HD3 data center.

HCS cooling unit, factory-built and in production now
Cooling units in production

HCS Cooling Unit

Factory-built precision in-row cooling. 140-270 kW validated range, 480V single-source, dual fan and dual coil. Scalable parallel deployment. Safety tested, third-party evaluated to UL requirements. The fast, ready-now lead product.
Ships as a tested module, not field scope.
Download one-sheet (PDF) ↓ Visit the HCS launch page →
Data Center Fan Wall
1 · Air cooling

Fan Wall (FNW)

Factory-built chilled-water fan wall family, 200 / 400 / 650 kW nominal. Perimeter or gallery-side deployment with service-side access.
Download one-sheet (PDF) ↓
Cooling Distribution Unit
2 · Liquid cooling

CDU

500 kW to 5000 kW. +/- 1 C control. Direct-to-chip and rear-door HX compatible. Dual variable-speed pumps.
Download one-sheet (PDF) ↓
Integrated Hot Aisle Containment
3 · The interior

HAC/CAC Containment

Fully integrated white-space row: containment, power and cable pathways, CDU piping, monitoring, fire detection. The system the HCS drops into.
Download one-sheet (PDF) ↓
UL891 Switchboards
4 · Power

UL891 Switchgear

Up to 4000A, 480Vac 3-phase, 65 kAIC standard (100 kAIC option). Tin-plated copper bus. SCADA and BMS ready.
Download one-sheet (PDF) ↓
Power Distribution Center cutaway showing switchgear, UPS and internal equipment
5 · Power

PDC

Turnkey modular electrical: MV transformer and switchgear, LV critical switchgear, ATS, UPS, EPMS. Factory tested L1 to L4.
Download one-sheet (PDF) ↓
Diesel Generator Enclosures
6 · Generation

Generator Enclosures

1750 kW to 3500 kW, sound-attenuated and weather-protective. Houses CAT, Cummins, or MTU sets. Three sound-attenuation levels.
Download one-sheet (PDF) ↓
Prefabricated Central Utility Building
7 · Plant infrastructure

Central Utility Building (CUB)

Factory-built chilled water, hot water, steam, and condenser water plant. N+1 or greater redundancy, tested before shipment.
Download one-sheet (PDF) ↓
GPC Modular Stack
8 · The stack

GPC Modular Stack

Stacked generator, PDC, and chiller infrastructure with pump modules. Factory-integrated, expandable up to 14 stacks.
Download one-sheet (PDF) ↓
HD3 High Density Modular Data Center
9 · The entire build

HD3 Data Center

The full prefabricated modular data center. 150 MW total, 96 MW critical IT, 100 kW/rack. Engineered, fabricated, commissioned, started up.
Download one-sheet (PDF) ↓
The whole solution

HD3: a complete modular data center, factory-built and commissioned.

When you do not just need a part, GW Modular engineers, fabricates, integrates, tests, ships, and commissions the entire high-density facility, from the dirt to turnover.

150 MWTotal power capacity
96 MWCritical IT capacity
100 kWPer-rack density
144Data hall modules
54PDCs and generators
L1 to L4Factory commissioning
HD3 integrated site concept and module familyHD3 integrated site concept
Proof and pedigree

The HCS is built now, behind it stands GrayWolf and DBM Global.

The HCS is the product in production today. Behind it is the GrayWolf and DBM Global group track record in data center and structural work, and the vertically integrated steel supply that backs every GW Modular unit.

4,000+
MW of GrayWolf data center capacity
20
Data centers delivered by the group
2,500
Modules developed across the group
1.2M
Available craft man-hours per year
DBM Global steel supply ISO 9001 (in process)
Engineered in accordance with
TIA-942 Uptime Institute Tier Standard AISC 360 / AISC 341 ASHRAE TC 9.9 and 90.1 NFPA
Talk to us

Let us match GW Modular to your density target.

A 30-minute technical fit review: your rack density and timeline against current availability, then a capacity and configuration fit for your build.

Request received.
The GW Modular team will follow up shortly.

Reach us directly

Axel Webb, VP of Sales, is your direct line.

Call. (915) 373-5288
Fastest way to talk sizing and availability. Text. (915) 373-5288
Send your load and timeline, get a fast answer. Email. axel.webb@graywolf.com
Specs, drawings, and project details welcome. Meet. Book a 30-minute fit review
A short technical call with the GW Modular team.