Data Center Containment Market Size, Share & Forecast to 2035

The Data Center Containment Market covers the hot aisle, cold aisle and rack-level chimney systems that separate supply air from exhaust air in data center white space, together with their doors, roof and ceiling panels, frames, curtains, blanking panels and airflow accessories. DC Market Insights values the global Data Center Containment Market at USD 1.38 billion in 2025 and forecasts USD 2.97 billion by 2035, a CAGR of 7.95%. The 2025 value is built from the build itself: about 12.0 GW of new IT capacity, of which 82% of conventional halls and 95% of AI halls are contained, at roughly USD 120 thousand of containment per MW in conventional halls and USD 75 thousand per MW in AI halls, gives USD 1.07 billion of new-build spend, and retrofit and replacement work on an installed base of about 117 GW adds USD 314.71 million. Racks above 60 kW are the fastest-growing segment at 19.96% a year because every liquid-cooled AI pod still needs a contained hot aisle for its residual air load, and the Middle East and Africa is the fastest-growing region at 9.60% a year as new campuses start from a small installed base.

Executive Summary

The Global Data Center Containment Market size was valued at USD 597.67 million in 2020, reached USD 1.38 billion in 2025, and is anticipated to reach USD 2.97 billion by 2035, at a CAGR of 7.95% during the forecast period.

Report attribute	Details
Historical Period	2020-2024
Base Year	2025
Forecast Period	2026-2035
Data Center Containment Market Size 2025	USD 1.38 Billion
Data Center Containment Market, CAGR	7.95%
Data Center Containment Market Size 2035	USD 2.97 Billion

The market grew at 18.24% a year between 2020 and 2025, and 2025 alone added 19.1% over 2024 as annual capacity additions rose from 9.8 GW to 12.0 GW and containment became standard practice in new halls rather than an energy-saving retrofit. Growth slows to 7.95% a year from 2025 to 2035 for a structural reason: AI halls run fewer, denser racks per MW and remove most of their heat through liquid loops, so containment spend per MW falls in AI halls even as the capacity built each year more than doubles to 27.0 GW by 2035.

Market Scope: What Does the Data Center Containment Market Cover?

The Data Center Containment Market covers every physical airflow separation system sold for data center white space, valued at first sale in current US dollars, with 2025 as the base year and forecasts to 2035. DC Market Insights sizes it at USD 1.38 billion in 2025.

Included. Hot aisle containment (HAC) and cold aisle containment (CAC) systems, both cabinet-supported and frame-supported; rack-level chimney containment and vertical exhaust ducts that carry exhaust air from a cabinet to a return plenum; sliding and swing doors; roof, ceiling and drop-out panels; frames, ceiling grids and support structures; curtain and strip (soft) containment; blanking panels, brush and floor grommets, cabinet-to-floor seals and other airflow accessories; and containment built into prefabricated pods.

Excluded. Racks and cabinets themselves, cooling units (computer room air handlers, in-row coolers, rear-door heat exchangers and coolant distribution units), liquid cooling loops, fire detection and suppression equipment, raised floor tiles, monitoring software and installation labor.

How the segments fit together. The containment-type, component, rack-density, data-center-type and deployment splits each re-cut the same USD 1.38 billion, so every split sums to the market total. New-build spend covers containment bought with a new hall; retrofit and replacement covers containment added to existing halls plus the blanking panels and seals that operators replace every year.

Market Drivers: What Drives the Data Center Containment Market?

Three drivers explain most of the growth in the Data Center Containment Market: capacity additions that rise from 12.0 GW to 27.0 GW a year by 2035, energy rules that turn airflow separation into a compliance tool, and rack densities that make uncontained rooms unworkable.

New Builds Account for USD 1.07 Billion, or 77.2% of 2025 Spending

The Data Center Containment Market is a build market first. BloombergNEF counted 23.1 GW of data center capacity under construction globally at the end of September 2025, across 831 sites, with 15.9 GW of it in the United States, and more than 3.8 GW of new IT capacity entered construction in the third quarter of 2025 alone (Source: BloombergNEF). DC Market Insights models annual completions rising from 12.0 GW in 2025 to 22.0 GW in 2030 and 27.0 GW in 2035, which lifts the installed base from about 117 GW to about 311 GW. New-build containment spend rises from USD 1.07 billion in 2025 to USD 2.16 billion in 2035.

Containment Cuts Cooling Energy Costs by as Much as 30%

DC Market Insights regards containment as one of the lowest-cost ways to lower a facility’s power usage effectiveness (PUE). The Energy Star program states that cold aisle containment can reduce cooling-related energy costs by as much as 30%, and cites an analysis finding that hot aisle containment can save 40% more than cold aisle containment (Source: Energy Star). Energy Star reports typical paybacks of less than two years for containment retrofits in the PG&E program, and Upsite Technologies puts the return on its modular AisleLok containment kit at 13.5 months for a 5,280 square foot room. Power demand behind those savings keeps rising: the International Energy Agency (IEA) estimates that data centers used 415 TWh of electricity in 2024, about 1.5% of world consumption, and expects around 945 TWh by 2030.

Rack Densities Above 30 kW Make Containment Mandatory

Uptime Institute’s 2026 global survey reports a growing number of operators with peak rack densities of 30 kW or higher, and Vertiv, citing Uptime survey data, notes that about one in eight data centers now run racks at 30 to 59 kW. DC Market Insights estimates that racks of 30 kW and above accounted for 24.3% of containment spend in 2025 and will account for 52.3% by 2035.

Market Trends: How Is Data Center Containment Changing?

The Data Center Containment Market is shifting from cold aisle retrofits toward hot aisle systems, from stand-alone panels toward pod-integrated structures, and from passive barriers toward actively controlled airflow.

Hot Aisle Containment Rises from 52.4% to 61.8% of Spending

Hot aisle containment returns exhaust air directly to the cooling units, which suits high return-air temperatures. DC Market Insights forecasts hot aisle containment to grow at 9.75% a year, from USD 723.90 million in 2025 to USD 1.83 billion in 2035, while cold aisle containment grows at 5.21% a year.

Containment Moves Into Prefabricated White-Space Pods

Vendors now sell containment as part of an engineered pod that also carries power busway, cabling trays and liquid cooling pipework. In June 2025, Schneider Electric launched a Prefabricated Modular EcoStruxure Pod Data Center that supports liquid cooling, power busway, complex cabling and hot aisle containment, for pods up to 1 MW and beyond (Source: Schneider Electric press release). Vertiv describes its SmartAisle as a containment solution that integrates racks, cooling, power and monitoring. Pods shift value toward frames and support structures, which DC Market Insights forecasts to grow at 9.19% a year, the fastest component group.

Active Airflow Control Replaces Passive Barriers

Containment is becoming a controlled system rather than a sheet-metal partition. Schneider Electric states that its NetShelter Aisle Containment provides up to 20% more cooling capacity, and that its airflow controller reduces fan energy use by up to 40% compared with traditional passive systems. Sensors and controllers add electronics content to each aisle, which supports price per aisle even as AI halls need fewer aisles per MW.

Market Challenges: What Holds the Data Center Containment Market Back?

Liquid cooling and fire-code complexity are the two constraints that DC Market Insights expects to slow the Data Center Containment Market, cutting spend per MW in AI halls from USD 75 thousand in 2025 to USD 60 thousand in 2035.

Liquid Cooling Shrinks the Air Load per MW

Direct-to-chip and immersion cooling remove most AI rack heat before it reaches the room air, leaving containment to handle the residual load. An AI hall also holds far fewer racks per MW: DC Market Insights assumes about 25 racks per MW at 40 kW each in 2025, against about 125 racks per MW at 8 kW in a conventional hall. Spend per rack is higher in AI halls, at about USD 3,000 against USD 960, but spend per MW is lower. The cooling side of that shift is covered in the Data Center Liquid Cooling Market report.

Fire Codes Add Cost and Design Time

Containment barriers sit between sprinklers and the racks they protect. The National Fire Protection Association (NFPA) standard NFPA 13 sets explicit rules for sprinklers around obstructions, and NFPA 72 smoke detector spacing covers rooms only up to 60 air changes per hour, a limit designers must check in contained aisles. Plastic drop-out ceiling panels that melt at around 135°F are designed around standard-response sprinklers, while data centers usually install quick-response heads, which is why fire engineers recommend quick-response sprinklers inside the contained aisle. DC Market Insights estimates that fire-rated panels, drop-out panels and added sprinkler heads raise the cost of each aisle and lengthen design reviews.

Market Opportunities: Where Are the New Revenue Pools?

The two largest new revenue pools in the Data Center Containment Market are graphics processing unit (GPU) and neocloud operators, growing at 15.51% a year, and retrofit and replacement work on an installed base that grows to about 311 GW by 2035.

GPU and Neocloud Operators Quadruple Their Containment Spend by 2035

Specialist GPU cloud operators spent USD 87.03 million on containment in 2025, and DC Market Insights expects their spend to reach USD 368.14 million in 2035, more than four times the 2025 level. They need hot aisle structures that carry rear-door heat exchangers, busway and manifolds, which favors suppliers of pre-engineered pod kits.

Retrofit and Replacement Spending Reaches USD 813.01 Million

About 35% of the installed base was still uncontained in 2025, according to DC Market Insights estimates, and operators keep replacing blanking panels, brush grommets and floor seals as racks are moved and refreshed. DC Market Insights models retrofit and replacement spending at USD 314.71 million in 2025 and USD 813.01 million in 2035, growing at 9.96% a year, faster than new builds at 7.29%, because the installed base grows faster than annual additions.

Pricing: How Much Do Data Centers Spend on Containment per MW?

A conventional data center hall spends about USD 120 thousand on containment per MW of IT load in 2025, and an AI hall spends about USD 75 thousand per MW. These are DC Market Insights estimates covering containment hardware at first sale, excluding labor, racks and cooling units.

Containment spend per MW (USD thousand)	2020	2025	2030	2035
Conventional hall	110	120	128	135
AI hall	90	75	66	60
Share of conventional halls contained	72%	82%	87%	92%
AI share of new capacity	3%	35%	60%	66%

Public list prices show the range of what buyers pay. An Eaton RapidPod aisle containment panel kit for a 16-foot aisle, including mounting hardware, seals and brackets, is listed by an online reseller at a regular price of USD 7,679.00 and a sale price of USD 4,895.99. Upsite Technologies compares an installed cost of USD 36,180 for its modular AisleLok containment kit with USD 70,993 for a legacy system in the same 5,280 square foot room, and annual energy savings of USD 32,172 against USD 35,520 at USD 0.10 per kWh. Conventional spend per MW rises about 1.2% a year; AI spend per MW falls about 2.2% a year as liquid cooling takes more of the heat load.

Standards and Regulation: Which Rules Shape Data Center Containment?

Four sets of rules decide how much containment a data center buys: thermal guidelines from the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), European energy reporting, German PUE limits and fire codes.

ASHRAE thermal guidelines. The fifth edition of the ASHRAE Thermal Guidelines for Data Processing Environments recommends an inlet dry-bulb range of 18 to 27°C for equipment classes A1 to A4, and 18 to 22°C for the high-density class H1.

EU Delegated Regulation 2024/1364. Data centers with installed IT power demand of at least 500 kW must report their energy and sustainability indicators by 15 May each year; the first report was due by 15 September 2024 for calendar year 2023 (Source: Government of Ireland).

German Energy Efficiency Act (EnEfG). Data centers with a non-redundant nominal power connection of 300 kW or more must reach a sustained annual average PUE of 1.5 or lower from 1 July 2027 and 1.3 or lower from 1 July 2030, and new data centers operating from 1 July 2026 must reach 1.2 or lower. A draft amendment published on 9 April 2026 would raise the new-build target to 1.3 and ease the existing-site targets to 1.6 and 1.4, values still to be confirmed; it was still at ministerial draft stage (Source: Orrick legal analysis).

Fire codes. NFPA 13 governs sprinkler placement around containment barriers and NFPA 72 governs smoke detection, which together determine whether a design uses drop-out panels or sprinklers inside the aisle.

Market Segmentation: Which Segment Leads the Data Center Containment Market?

Hot aisle containment leads the Data Center Containment Market with 52.4% of 2025 value, hyperscale data centers lead buyers with 38.5%, and racks of 10 to 30 kW lead rack densities with 38.1%. Racks above 60 kW are the fastest-growing segment at 19.96% a year, from USD 117.43 million in 2025 to USD 724.41 million in 2035, because every liquid-cooled AI pod still needs a contained hot aisle for its residual air load.

By Containment Type: Hot Aisle Containment Leads with 52.4%

Containment type	2025 (USD billion)	Share 2025	2035 (USD billion)	CAGR 2025-2035
Hot Aisle Containment	0.72	52.4%	1.83	9.75%
Cold Aisle Containment	0.46	33.1%	0.76	5.21%
Rack-Level Chimney Containment	0.20	14.5%	0.37	6.45%

Hot aisle containment gains 9.4 points of share by 2035 because AI pods, hyperscale halls and slab-floor colocation designs all favor returning exhaust air through a ceiling plenum. Rack-level chimney containment, worth USD 200.31 million, suits small rooms and edge sites.

By Component: Blanking Panels and Airflow Accessories Lead with 25.9%

Component	2025 (USD billion)	Share 2025	2035 (USD billion)	CAGR 2025-2035
Doors	0.30	21.4%	0.61	7.54%
Roof and Ceiling Panels	0.34	24.8%	0.77	8.42%
Frames and Support Structures	0.25	18.2%	0.61	9.19%
Curtains and Soft Containment	0.13	9.7%	0.22	4.93%
Blanking Panels and Airflow Accessories	0.36	25.9%	0.77	7.91%

Blanking panels, grommets and seals are worth USD 357.80 million in 2025 because they are bought both with new systems and as recurring replacements. Curtains and soft containment, worth USD 134.00 million, grow slowest at 4.93% a year as fire codes and higher densities push buyers toward rigid panels.

By Rack Density: Racks of 10 to 30 kW Lead with 38.1%

Rack density	2025 (USD billion)	Share 2025	2035 (USD billion)	CAGR 2025-2035
Below 10 kW	0.52	37.6%	0.48	-0.77%
10 to 30 kW	0.53	38.1%	0.94	5.92%
30 to 60 kW	0.22	15.8%	0.83	14.27%
Above 60 kW	0.12	8.5%	0.72	19.96%

By Data Center Type: Hyperscale Data Centers Lead with 38.5%

Data center type	2025 (USD billion)	Share 2025	2035 (USD billion)	CAGR 2025-2035
Hyperscale Data Centers	0.53	38.5%	1.25	8.89%
Colocation Data Centers	0.42	30.2%	0.84	7.29%
Enterprise Data Centers	0.31	22.1%	0.41	3.06%
GPU and Neocloud Providers	0.09	6.3%	0.37	15.51%
Edge Data Centers	0.04	2.9%	0.10	9.35%

Hyperscale operators spent USD 531.87 million in 2025 and colocation providers USD 417.21 million. Enterprise data centers grow slowest at 3.06% a year as workloads move to cloud and colocation, and edge data centers, worth USD 40.06 million, rely most on rack-level chimney systems.

By Deployment: Retrofit and Replacement Grows Faster at 9.96%

New-build containment is worth USD 1.07 billion (77.2%) in 2025 and USD 2.16 billion (72.6%) in 2035, growing at 7.29% a year. Retrofit and replacement work is worth USD 314.71 million (22.8%) in 2025 and grows at 9.96% a year to USD 813.01 million, as the installed base nearly triples and energy reporting pushes operators to contain older rooms.

DC Exclusive: The Containment Spend per MW Model and Type × Buyer Matrix

At USD 350.94 million in 2025, hyperscale hot aisle containment is the single largest cell of the matrix and 25.4% of all data center containment spending. The matrix cross-tabulates containment type by buyer. It is a DC Market Insights model, not a shipment count: it is built from 74 inputs: 32 capacity cohorts (16 years of conventional and AI halls), 2 spend-per-MW curves, 2 adoption curves, 4 installed-base rates (accessory spend, retrofit rate, uncontained share and retirement), 3 type splits, 5 component splits, 5 buyer splits, 4 rack-density splits, 5 regional splits and 12 country weights.

2025, USD million	Hot Aisle	Cold Aisle	Rack-Level Chimney	Total
Hyperscale Data Centers	350.94	134.76	46.17	531.87
Colocation Data Centers	184.80	173.91	58.50	417.21
Enterprise Data Centers	109.80	120.47	75.04	305.31
GPU and Neocloud Providers	65.67	15.94	5.42	87.03
Edge Data Centers	12.69	12.19	15.18	40.06
Total	723.90	457.27	200.31	USD 1.38 billion

Hyperscale buyers spend 66.0% of their containment budget on hot aisle systems, and GPU and neocloud providers 75.5%, while enterprise data centers spend 39.5% on cold aisle systems and 24.6% on rack-level chimneys; a vendor strong only in cold aisle retrofit kits is selling into the slowest-growing buyer. Colocation spend is split almost evenly between hot aisle (44.3%) and cold aisle (41.7%) systems, so colocation is where suppliers that offer both win. Edge data centers spend 37.9% on rack-level chimney containment, the highest share of any buyer.

The containment spend per MW model behind these figures has two inputs that any reader can check: new capacity delivered each year (12.0 GW in 2025) and the share of it built for AI (35% in 2025). Multiplying each by its containment adoption rate and its spend per MW gives new-build spend; adding retrofit and replacement spend on the installed base gives the market. The model and its assumptions are explained on our research methodology page.

Regional Insights: Which Region Leads the Data Center Containment Market?

North America leads the Data Center Containment Market with 41.8% of 2025 value, and the Middle East and Africa is the fastest-growing region at 9.60% a year, because new campuses are adding capacity from a small installed base.

North America Leads with 41.8% Share

North American operators spent USD 577.46 million on containment in 2025, and the region is forecast to reach USD 1.15 billion in 2035, a CAGR of 7.18%. BloombergNEF counted 15.9 GW of the 23.1 GW under construction worldwide in the United States at the end of September 2025. North America loses 2.9 points of share by 2035 because more of its new halls are liquid-cooled AI campuses with lower containment spend per MW.

Asia Pacific Holds 26.4% Share

Asia Pacific is worth USD 364.71 million in 2025 and USD 899.58 million by 2035, a CAGR of 9.45%. DC Market Insights assumes a larger share of air-cooled colocation capacity in the region’s new builds, with higher containment content per MW, which is why Asia Pacific gains 3.9 points of share, the largest gain of any region.

Europe Holds 21.6% Share

Europe is worth USD 298.40 million in 2025 and USD 570.03 million by 2035, a CAGR of 6.69%. DC Market Insights models slower new-build growth in Europe than elsewhere, but EU energy reporting and German PUE limits make Europe the strongest retrofit market.

Latin America Holds 5.3% Share

Latin America is worth USD 73.22 million in 2025 and USD 175.17 million by 2035, a CAGR of 9.11%, led by Brazil, which accounts for 45.2% of the region in the DC Market Insights allocation.

Middle East and Africa Holds 4.9% Share

The Middle East and Africa is worth USD 67.69 million in 2025 and USD 169.23 million by 2035, growing fastest at 9.60% a year. DC Market Insights assumes higher containment content per MW in the region because hot climates reward tighter airflow separation and longer economizer hours.

Country Analysis: Which Countries Buy the Most Data Center Containment?

The United States is the largest country market for data center containment at USD 504.70 million in 2025, 36.5% of global value, followed by China at USD 135.67 million (9.8%) and Canada at USD 72.76 million (5.3%). The 12 largest countries account for 77.7% of 2025 spending.

Rank	Country	Region	2025 (USD billion)	Share 2025	2035 (USD billion)	CAGR 2025-2035
1	United States	North America	0.50	36.5%	1.00	7.03%
2	China	Asia Pacific	0.14	9.8%	0.29	7.75%
3	Canada	North America	0.07	5.3%	0.16	8.16%
4	United Kingdom	Europe	0.06	4.3%	0.10	5.85%
5	Germany	Europe	0.06	4.0%	0.10	6.28%
6	Japan	Asia Pacific	0.05	3.7%	0.11	7.71%
7	India	Asia Pacific	0.04	3.1%	0.15	13.58%
8	Australia	Asia Pacific	0.03	2.5%	0.09	10.02%
9	France	Europe	0.03	2.4%	0.07	7.06%
10	Brazil	Latin America	0.03	2.4%	0.08	9.33%
11	Netherlands	Europe	0.03	2.0%	0.05	5.98%
12	Singapore	Asia Pacific	0.02	1.6%	0.05	8.22%

India is the fastest-growing large country market at 13.58% a year, ahead of Australia at 10.02%, as hyperscale and colocation operators add air-cooled and hybrid capacity outside the established Asian hubs. The country figures are a DC Market Insights allocation of the regional totals, weighted by each country’s estimated share of installed and new data center capacity.

Forecast Scenarios: How Could the 2035 Forecast Change?

The Data Center Containment Market reaches USD 2.97 billion by 2035 in the base case, with a range of USD 2.78 billion to USD 3.25 billion across the low and high scenarios.

Scenario	Assumption from 2026	2035 (USD billion)	CAGR 2025-2035
Low	Capacity additions 15% below base; AI share of new capacity capped at 52%	2.78	7.24%
Base	Additions rise to 27.0 GW a year; AI share reaches 66%	2.97	7.95%
High	Additions 15% above base; AI share 6 points higher each year	3.25	8.93%

The range is narrow because the swing factors offset each other: fewer AI halls mean less capacity, but each conventional MW carries more containment, so the low case falls only 6.4% below the base. The high case assumes grid connections keep pace with announced hyperscale plans. The main technical swing factor is how much rack heat liquid cooling captures.

Competitive Insights: Who Leads the Data Center Containment Market?

• Schneider Electric
• Vertiv
• Legrand
• Eaton
• Rittal
• Chatsworth Products
• Panduit
• nVent
• Upsite Technologies
• Subzero Engineering
• Armstrong World Industries
• Emcor Enclosures

Schneider Electric leads the Data Center Containment Market with about 13% of 2025 value, and the three largest suppliers, Schneider Electric, Vertiv and Legrand, together hold about 32% (DC Market Insights estimate, based on the breadth of each supplier’s hot aisle, cold aisle and pod-integrated portfolio and its disclosed white-space activity; no supplier reports containment sales separately). Vertiv sells SmartAisle and bought rack maker Great Lakes Data Racks & Cabinets for USD 200 million in 2025. Legrand reported datacenter sales of EUR 2.4 billion in 2025, 26% of group sales, and added airflow containment capacity through the purchase of Computer Room Solutions in Australia. Eaton (RapidPod), Rittal, Chatsworth Products, Panduit (Net-Contain) and nVent compete on containment sold with their own cabinets, while Upsite Technologies (AisleLok) and Subzero Engineering specialize in containment. Armstrong World Industries and Worthington Enterprises expanded through their joint venture’s purchase of Data Center Resources, a maker of modular aisle containment.

Recent Developments

• In June 2024, Schneider Electric launched new NetShelter Aisle Containment with up to 20% more cooling capacity (Source: Capacity Media news report).
• In August 2024, the Worthington Armstrong Venture, owned by Armstrong World Industries and Worthington Enterprises, acquired the assets of Data Center Resources, a maker of modular aisle containment (Source: Worthington Armstrong Venture press release).
• In April 2025, Legrand acquired Computer Room Solutions, a Sydney-based maker of data center ceilings and airflow containment with annual revenue of about EUR 30 million (Source: Data Center Dynamics news report).
• In June 2025, Schneider Electric launched a Prefabricated Modular EcoStruxure Pod Data Center that supports hot aisle containment for pods up to 1 MW and beyond (Source: Schneider Electric press release).
• In July 2025, Vertiv announced the acquisition of Great Lakes Data Racks & Cabinets, a Pennsylvania maker of racks and enclosures, for USD 200 million (Source: Data Center Dynamics news report).
• In February 2026, Legrand reported 2025 datacenter sales of EUR 2.4 billion and listed new T-Series and Pro-Series cabinets and containment solutions among its launches (Source: Legrand annual results release).

We follow these deals, launches and capacity announcements as they happen in our data center industry updates.

Methodology: How We Built the Data Center Containment Market Model

DC Market Insights built this market bottom-up from 16 annual capacity cohorts (2020 to 2035), each split into conventional and AI halls, multiplied by a containment adoption rate (72% of conventional halls in 2020, 82% in 2025 and 92% in 2035; 95% of AI halls) and a containment spend per MW. Retrofit and replacement spending was added on the installed base: accessory replacement at USD 1,800 per installed MW a year in 2025, plus conversion of 3% of the uncontained base each year at retrofit cost. Because no company discloses containment sales, the result is a DC Market Insights model with bound checks rather than a single top-down check. Floor: aisle containment panel kits alone for the 2025 contained conventional capacity, at the Eaton RapidPod sale price of USD 4,895.99 per 16-foot kit, assuming 125 racks per MW and 16 racks per kit, come to USD 244.65 million, below the modeled USD 1.07 billion of new-build spend. Ceiling one: new-build containment equals 1.6% of the USD 65.60 billion that DC Market Insights estimates for the Data Center Construction Market in 2025, below the 2% ceiling DC Market Insights sets for white-space airflow hardware. Ceiling two: the implied containment revenue of Legrand, one of the three leaders at about 9% share, is about 5% of its EUR 2.4 billion of 2025 datacenter sales even before currency conversion, consistent with containment being a small line in a broad white-space portfolio. Every split (3 containment types, 5 components, 4 rack-density classes, 5 data center types, 2 deployment types, 5 regions) sums to the market total. The analyst named on this page built the model, and the reviewer checked the arithmetic, the sources and the dates before publication.