Data Center Air Filtration Market Size, Share & Forecast to 2035

The Data Center Air Filtration Market is valued at USD 589.74 million in 2026 and is projected to reach USD 1.19 billion by 2035, up from USD 520.20 million in 2025, a compound annual growth rate (CAGR) of 8.59% from 2025 to 2035 (DC Market Insights estimate). This is a consumables market first: 78.3% of 2025 value is replacement filters and media, bought every few months for the 113.1 gigawatts (GW) of information technology (IT) load that still rejects its heat to air. The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) Technical Committee 9.9 asks data halls to stay at ISO 14644-1 Class 8 cleanliness and, where gases exceed a copper corrosion rate of 300 angstroms (Å) a month or a silver rate of 200 Å a month, recommends gas-phase filtration, so DC Market Insights puts the yearly filter bill at about USD 3,600 per megawatt (MW) of air-handled load in 2025. Gas-phase (chemical) filtration is the fastest filter type at 11.16% a year, and the Middle East and Africa is the fastest region at 12.13% a year, because desert dust shortens filter life on new Gulf campuses.

Key Market Statistics: How Big Is the Data Center Air Filtration Market in 2026?

DC Market Insights values the Data Center Air Filtration Market at USD 589.74 million in 2026, 13.4% above 2025, because about 14.5 GW of new data center capacity is fitted with filters while the air-handled installed base grows to about 123 GW.

• Market size 2025: USD 520.20 million
• Market size 2026: USD 589.74 million
• Market size 2030: USD 843.18 million
• Market size 2035: USD 1.19 billion (USD 1,185.94 million)
• CAGR 2025-2035: 8.59% in the base case, 7.55% in the low case and 9.78% in the high case
• Largest filter type: fine filters (bag and rigid box), 38.0% of 2025 value (USD 197.68 million)
• Fastest-growing filter type: gas-phase (chemical) filtration, 11.16% a year
• Largest purchase type: replacement filters and media, 78.3% of 2025 value
• Leading region: North America, 39.0% of 2025 value (USD 202.87 million)
• Fastest-growing region: Middle East and Africa, 12.13% a year
• Largest country: the United States, USD 189.34 million in 2025
• Market leader: Camfil, about 15% of 2025 value (DC Market Insights assessment)

Executive Summary

The Global Data Center Air Filtration Market size was valued at USD 314.90 million in 2020, reached USD 520.20 million in 2025, and is anticipated to reach USD 1,185.94 million by 2035, at a CAGR of 8.59% during the forecast period.

Report attribute	Details
Historical Period	2020-2024
Base Year	2025
Forecast Period	2026-2035
Data Center Air Filtration Market Size 2025	USD 520.20 Million
Data Center Air Filtration Market Size 2026	USD 589.74 Million
Data Center Air Filtration Market, CAGR	8.59%
Data Center Air Filtration Market Size 2035	USD 1,185.94 Million

Growth slowed from 10.56% a year in 2020-2025 to 8.59% a year in 2025-2035 for one reason: liquid cooling takes heat away from the air path. DC Market Insights estimates the installed liquid-cooled base at 3.83 GW in 2025 and 94.07 GW in 2035, and each liquid-cooled MW still sends about 15% to 25% of its heat to room air. The air-handled load therefore grows from 113.1 GW to 231.0 GW, slower than the total installed base of 116 GW to 311 GW, and first-fit filter spending on new builds grows only 5.48% a year, against 9.33% a year for replacement filters and media.

Key Takeaways

• USD 407.26 million, or 78.3% of 2025 value, is replacement spending, because filters on 113.1 GW of air-handled load are changed one to two times a year, so the market tracks the installed base more than new construction.
• USD 3,600 per MW a year is the 2025 fleet-average filter bill, because 1 MW of air-cooled IT load moves about 146,400 cubic feet per minute (CFM) of air through about 73 filter faces (DC Market Insights model).
• 11.16% a year is the gas-phase growth rate, because the ASHRAE G1 corrosion limit (copper below 300 Å a month, silver below 200 Å a month) is hard to meet near traffic, industry and coal power in Asia Pacific hubs.
• 27.0% of 2025 value sits at outside-air economizer intakes, because ASHRAE TC 9.9 and the Lawrence Berkeley National Laboratory (LBNL) both point free-air sites to minimum efficiency reporting value (MERV) 13 filters.
• 5.48% a year is the first-fit growth rate, because Schneider Electric (August 2026) puts 80% or more of a liquid-cooled rack’s heat on cold plates, which shrinks the air path of each new AI hall.

What Does Data Center Air Filtration Cover?

The market covers USD 520.20 million of 2025 spending on air filters, filter media and filter housings bought for data centers, at first fit and as replacements.

Included

Panel and pleated pre-filters; bag and rigid box fine filters rated MERV 11 to MERV 16 or ISO 16890 ePM1 (particulate matter of 1 micron) classes; high-efficiency particulate air (HEPA) and efficient particulate air (EPA) filters used in clean zones and sensitive rooms; gas-phase (chemical) filtration media, modules and stand-alone units that remove corrosive gases such as sulfur dioxide and hydrogen sulfide; filter frames, housings and differential-pressure gauges that tell operators when to change filters. Filters in computer room air handler (CRAH) and computer room air conditioner (CRAC) units, fan walls, outside-air economizer intakes, make-up air units, and generator, battery and electrical rooms are all counted.

Excluded

The air handlers, fans and cooling coils themselves, chillers, cooling towers and dry coolers; water filtration and water treatment; fuel and lubricant filters on diesel generators; air filters for offices, homes, vehicles and cleanroom fabs; and corrosion-monitoring services sold without filters.

How the Segments Fit Together

Every segment table sums to the 2025 total of USD 520.20 million. The filter-type split shows what is bought, the application split shows where it sits in the building, the purchase-type split separates first fit from replacement, and the data center type split shows who pays. Regions add up to the total, and the top 12 countries sit inside their regions.

Why Do Data Center Air Filtration Market Estimates Differ?

USD 589.74 million in 2026 is the DC Market Insights figure for filters, media and housings used in data centers only; estimates that count the air handlers, or filters for all commercial buildings, are several times larger.

Broader definitions add three things. Some add the computer room air handlers, fan walls and economizer dampers that hold the filters, which moves the figure into the cooling-equipment range covered by the Data Center Precision Air Conditioning Market report. Some add cleanroom and semiconductor fab filtration, where ULPA (ultra-low particulate air) filters and molecular filters cost far more per square metre. Others add HVAC (heating, ventilation and air conditioning) filters for every commercial building, which is a general-ventilation market, not a data center market. DC Market Insights keeps those out, so its value equals what data center owners, operators and their facility contractors spend on filters and media.

Element	In this report	Why
Filters, media and housings in data centers	Yes, USD 520.20 million in 2025	Bought and replaced by data center operators
Gas-phase (chemical) filtration for data halls	Yes, USD 98.84 million in 2025	Protects IT hardware from corrosive gases
CRAH, CRAC and fan-wall units	No	Cooling equipment; filters inside them are counted
Cleanroom and semiconductor fab filtration	No	Different buyer and ISO class
Commercial-building HVAC filters	No	General ventilation outside data centers
Generator fuel and oil filters	No	Engine consumables, not air filtration

Outside the scope are commercial HVAC air filters, cleanroom air filtration, residential air purifiers and automotive cabin filters. Inside the scope sit all data center buyers, including small and medium-sized enterprises (SMEs) that run server rooms, edge sites at telecom towers and government data centers, as well as information technology (IT) and telecom operators.

Why Are Data Centers Spending More on Air Filtration?

Three forces add about USD 666 million of yearly filter spending between 2025 and 2035: free-air cooling, corrosion limits for lead-free electronics and longer wildfire smoke seasons.

ASHRAE Points Free-Air Cooling Sites to MERV 13 Intake Filters

Outside-air economizer intakes take 27.0% of 2025 value and grow 10.10% a year, faster than the market. ASHRAE’s TC 9.9 contamination guideline (2011) says recirculated room air may be filtered with MERV 8 filters, air entering a data center with MERV 11 or MERV 13, and that free-air cooling sites should use MERV 11 or, preferably, MERV 13 filters to keep the hall at ISO 14644-1 Class 8. The LBNL data center design guide for the Federal Energy Management Program (revised July 2024) adds that with MERV 13 filters “the negative effects of outside air pollutants are small”. Each economizer site therefore buys a rigid MERV 13 intake bank (a 24 x 24 x 12 inch rigid cell lists at about USD 107 per filter at an online reseller) on top of the room filters.

Lead-Free Solder and the G1 Corrosion Limit Push Gas-Phase Filtration

Gas-phase filtration grows from 19.0% of 2025 value to 24.0% in 2035, 11.16% a year. The European Union’s Restriction of Hazardous Substances (RoHS) Directive 2011/65/EU caps lead at 0.1% in electronics, and ASHRAE’s guideline lists the change from lead-containing solder to lead-free copper-tin-silver solder as a cause of more corrosion failures. ASHRAE sets the gaseous limit at severity level G1 of the International Society of Automation (ISA) standard 71.04, a copper reactivity rate below 300 Å a month and silver below 200 Å a month, and recommends gas-phase filtration where a site does not meet it. DC Market Insights estimates that about one data center in five outside North America and western Europe needs chemical media to stay inside G1.

Wildfire Smoke Seasons Raise Change-Out Frequency in North America

The United States Environmental Protection Agency (US EPA) planning framework for commercial buildings (updated September 2026) recommends MERV 13 or higher filters during smoke events, and the agency’s AirNow service reported smoke affecting air quality in several states in October 2026. A smoke week can load a pre-filter bank in days instead of months, so DC Market Insights adds 0.3 extra change-outs a year for economizer sites in the western United States and Canada. That lifts the North American replacement bill by about USD 6 million a year by 2030.

How Is Data Center Air Filtration Changing?

Filter makers are buying gas-phase specialists, adding plants near Asian data center hubs and preparing for a new ISO 16890 edition, while the market grows 8.59% a year.

Filter Makers Buy Gas-Phase and Molecular Filtration Specialists

Parker Hannifin agreed in November 2025 to buy Filtration Group, the parent of gas-phase specialist Purafil, for USD 9.25 billion in cash, and completed the deal in August 2026; Parker said Filtration Group expected calendar 2025 sales of USD 2 billion (Parker Hannifin, November 2025). Camfil bought Spain’s Bioconservación (Bion) in March 2026 to expand its molecular contamination control division. Both moves put corrosive-gas media, the fastest filter type at 11.16% a year, inside larger air filtration groups.

Japan’s Data Center Build Lifts Filter Media Demand

Freudenberg’s Annual Report 2025 says the filter business of its Japan Vilene unit grew partly on strong demand for filters for new data center construction, while Daikin Industries, owner of American Air Filter (AAF), named data centers among the high-end markets for its filter business in its Integrated Report 2025. Japan is the fifth-largest country market, at USD 21.85 million in 2025 (DC Market Insights estimate).

ISO 16890 and Filter Alarms Move Filters from Calendar to Condition

ISO 16890-1:2016 classifies general-ventilation filters by ePM1, ePM2.5 and ePM10 efficiency, and the ISO 16890-1 page says a new edition is expected within months. The European Union’s ecodesign regulation for ventilation units (EU) No 1253/2014 requires a visual signal or alarm when a filter reaches its maximum pressure drop. Housings, frames and pressure monitoring hold 17.0% of 2025 value, USD 88.43 million, because operators now change filters on measured pressure drop rather than on a fixed calendar.

What Holds Back Data Center Air Filtration Spending?

Liquid cooling and fan energy limit the market: if every 2035 MW were air-cooled, DC Market Insights estimates the 2035 market would be about USD 1.67 billion, 41% above the USD 1.19 billion base case.

Cold Plates Remove 70% to 80% of AI Rack Heat from the Air Path

Schneider Electric wrote in August 2026 that direct-to-chip systems can move 80% or more of rack heat to cold plates, leaving about 20% for air, and Vertiv describes 70% to 75% removal by liquid. NVIDIA’s GB200 NVL72 is a rack-scale liquid-cooled design with 36 Grace CPUs and 72 Blackwell GPUs (graphics processing units). DC Market Insights therefore counts each liquid-cooled MW as 0.25 MW of air-handled load in 2025 and 0.15 MW in 2035, which is why first-fit filter spending grows only 5.48% a year while new capacity more than doubles from 12.0 GW to 27 GW.

Filter Pressure Drop Eats Economizer Savings

The LBNL design guide (July 2024) warns that careful design may be needed so that cooling savings are not lost to excessive filtration requirements. A MERV 13 bank adds fan power on every hour of operation, so operators of large free-air halls weigh a higher filter class against fan energy. DC Market Insights keeps MERV 8 as the recirculation default for 75% of filter faces in its 2025 model, which holds the fleet-average bill at USD 3,600 per MW a year.

Where Are the Openings in Data Center Air Filtration?

Two openings stand out: replacement contracts worth USD 993.47 million a year by 2035 and gas-phase media worth USD 284.63 million a year by 2035, partly inside the replacement pool.

Replacement Contracts on 231 GW of Air-Handled Load by 2035

Replacement filters and media grow from USD 407.26 million to USD 993.47 million by 2035, 9.33% a year, as the air-handled base doubles from 113.1 GW to 231.0 GW and the change-out bill rises from USD 3,600 to USD 4,300 per MW a year. Multi-site supply-and-change contracts with colocation and hyperscale operators, priced per MW or per filter face, are the largest single pool of value in the market.

Gas-Phase Media for Asia Pacific and India Hubs

Gas-phase filtration reaches USD 284.63 million in 2035 (DC Market Insights estimate). India, the fastest large country at 13.30% a year, and China, the second-largest market at USD 70.23 million in 2025, both build campuses near industrial corridors where G1 corrosion limits are hard to meet. Camfil added a HEPA and ULPA line at Manesar, India, in September 2025 and broke ground on a 14,400 square metre site in Malaysia in May 2026, close to these buyers.

How Much Does Data Center Air Filtration Cost per MW?

DC Market Insights puts the 2025 filter bill at USD 3,600 per MW of air-handled IT load a year for replacements and USD 11,000 per new air-handled MW at first fit, including housings and initial filter sets.

Price point	2020	2025	2030	2035
Replacement filters and media, USD per air-handled MW a year	3,300	3,600	4,000	4,300
First fit, USD per new air-handled MW	10,000	11,000	11,800	12,500
Air-handled share of a liquid-cooled MW	30%	25%	18%	15%

Prices rise 1.8% a year for replacements because more sites move from MERV 8 to MERV 13 and add chemical media; per-MW first-fit content rises more slowly because liquid-cooled halls need smaller filter banks. Public price anchors: a 24 x 24 x 12 inch MERV 13 rigid cell filter lists at USD 107.25 at an online reseller (October 2026), and Purafil’s permanganate media bulletin gives a bulk density of 50 pounds per cubic foot, which turns quoted media prices per pound into a price per module. Gas-phase media is sold on quotation, so the model uses USD 450 per air-handled MW a year as its fleet-average chemical media bill.

Which Standards Set Data Center Air Filtration Requirements?

Six documents set the filter classes that the USD 520.20 million of 2025 spending buys.

• ASHRAE TC 9.9 Gaseous and Particulate Contamination Guidelines for Data Centers (2011): ISO 14644-1 Class 8; MERV 8 for recirculated air, MERV 11 or MERV 13 for incoming air; G1 gas limits (ASHRAE guideline).
• ISA-71.04 severity level G1: copper below 300 Å a month and silver below 200 Å a month, as modified by ASHRAE for data centers.
• ASHRAE Standard 52.2-2017: rates filters by MERV from particle-size efficiency between 0.30 and 10 micrometres.
• ISO 16890-1:2016 and ISO 29463: ePM classes for general-ventilation filters up to 99% ePM1, and HEPA and ULPA classes above that.
• EU Ecodesign Regulation (EU) No 1253/2014: ventilation units with filters must signal when filter pressure drop reaches its limit.
• EU RoHS Directive 2011/65/EU: lead limit of 0.1%, the reason lead-free solder and its corrosion risk dominate server boards.

California’s Title 24 energy code (2022 compliance manual) requires MERV 13 filters for occupied spaces, which reaches data center offices and support areas but not the data halls themselves, and the US EPA recommends MERV 13 or higher during wildfire smoke events.

Which Filter Types and Buyers Lead Data Center Air Filtration?

Fine filters lead the filter types with 38.0% of 2025 value, CRAH and fan-wall recirculation leads the applications with 46.0%, replacement leads the purchase types with 78.3%, and hyperscale and AI cloud data centers lead the buyer types with 38.0%. Searches for “data centre air filters” and “server room air filtration” fall in the same scope.

By Filter Type: Fine Filters Lead with 38.0%

Fine filters grow 8.30% a year to USD 438.80 million, while gas-phase filtration grows 11.16% a year and becomes the second-largest filter type by 2035.

Filter Type	2025 Value	Share 2025	2035 Value	CAGR 2025-2035
Pre-Filters (Panel and Pleated)	USD 109.24 million	21.0%	USD 213.46 million	6.93%
Fine Filters (Bag and Rigid Box)	USD 197.68 million	38.0%	USD 438.80 million	8.30%
HEPA and EPA Filters	USD 26.01 million	5.0%	USD 59.30 million	8.59%
Gas-Phase (Chemical) Filtration	USD 98.84 million	19.0%	USD 284.63 million	11.16%
Housings Frames and Pressure Monitoring	USD 88.43 million	17.0%	USD 189.75 million	7.93%
Total	USD 520.20 million	100.0%	USD 1,185.94 million	8.59%

By Application: Recirculation Filters Lead with 46.0%

Outside-air economizer intakes grow fastest, at 10.10% a year, as more new sites in cool climates use free-air cooling.

Application	2025 Value	Share 2025	2035 Value	CAGR 2025-2035
CRAH CRAC and Fan-Wall Recirculation	USD 239.30 million	46.0%	USD 474.38 million	7.08%
Outside-Air Economizer Intakes	USD 140.45 million	27.0%	USD 367.64 million	10.10%
Make-Up Air and Pressurization Units	USD 88.43 million	17.0%	USD 213.47 million	9.21%
Generator Battery and Electrical Rooms	USD 52.02 million	10.0%	USD 130.45 million	9.63%
Total	USD 520.20 million	100.0%	USD 1,185.94 million	8.59%

By Purchase Type: Replacement Filters and Media Take 78.3%

Replacement grows 9.33% a year and first fit 5.48% a year, so replacement reaches 83.8% of value by 2035.

Purchase Type	2025 Value	Share 2025	2035 Value	CAGR 2025-2035
First-Fit with New Builds	USD 112.94 million	21.7%	USD 192.47 million	5.48%
Replacement Filters and Media	USD 407.26 million	78.3%	USD 993.47 million	9.33%
Total	USD 520.20 million	100.0%	USD 1,185.94 million	8.59%

By Data Center Type: Hyperscale and AI Cloud Buyers Take 38.0%

Hyperscale and AI cloud data centers grow 10.44% a year; enterprise and edge sites grow 5.00% a year as workloads move to colocation and cloud.

Data Center Type	2025 Value	Share 2025	2035 Value	CAGR 2025-2035
Hyperscale and AI Cloud Data Centers	USD 197.67 million	38.0%	USD 533.67 million	10.44%
Colocation Data Centers	USD 176.87 million	34.0%	USD 415.08 million	8.90%
Enterprise and Edge Data Centers	USD 145.66 million	28.0%	USD 237.19 million	5.00%
Total	USD 520.20 million	100.0%	USD 1,185.94 million	8.59%

DC Exclusive: The 1 MW Filter Change-Out Ledger, USD 3,600 a Year

This DC Market Insights model shows what 1 MW of air-handled IT load spends on filters in a year, built from 13 inputs: airflow physics, filter-face rating, change frequency and filter prices.

Removing 1 MW of heat with a 12 kelvin air temperature rise takes about 69 cubic metres a second, or 146,400 CFM. At 2,000 CFM per 24 x 24 inch filter face, that is 73 faces in the CRAH and fan-wall units. The fleet-average ledger below combines halls with and without economizers and with and without gas-phase media, so each line is an average per MW.

Ledger line (per MW of air-handled load, 2025)	Inputs	USD a year	Share
Recirculation pre-filters (MERV 8)	73 faces x 1.5 changes x USD 8	876	24.3%
Recirculation fine filters where specified	18 faces (25%) x 1 change x USD 45	810	22.5%
Economizer intake rigid MERV 13 filters	7 faces (fleet average) x 1 change x USD 107.25	751	20.9%
Make-up air and pressurization filters	4 faces x 2 changes x USD 60	480	13.3%
Gas-phase media change-out	Fleet average where G1 is not met	450	12.5%
Generator, battery and electrical room filters	Room intake and exhaust sets	233	6.5%
Total	13 inputs	3,600	100.0%

The ledger explains the market’s shape. Recirculation filters make up nearly half of the bill because every air-handled MW needs them, whatever the climate. Economizer and gas-phase lines are smaller per MW on the fleet average but grow faster, because they are concentrated in new free-air sites and in polluted hubs. A 100 MW air-cooled campus spends about USD 360,000 a year on filters, while a 100 MW liquid-cooled AI campus at 15% air-handled load spends about USD 54,000.

Which Regions Buy the Most Data Center Air Filters?

North America leads with 39.0% of 2025 value, USD 202.87 million, and the Middle East and Africa grows fastest at 12.13% a year.

Region	2025 Value	Share 2025	2035 Value	CAGR 2025-2035
North America	USD 202.87 million	39.0%	USD 426.93 million	7.72%
Asia Pacific	USD 156.06 million	30.0%	USD 391.36 million	9.63%
Europe	USD 119.65 million	23.0%	USD 249.05 million	7.61%
Middle East and Africa	USD 23.41 million	4.5%	USD 73.53 million	12.13%
Latin America	USD 18.21 million	3.5%	USD 45.07 million	9.49%
Total	USD 520.20 million	100.0%	USD 1,185.94 million	8.59%

North America Buys 39.0% of Data Center Filter Value

The United States holds the largest installed base: the United States Department of Energy (DOE) reported that US data centers used 176 terawatt-hours (TWh) of electricity in 2023, 4.4% of the country’s total, and could use 325 to 580 TWh by 2028 (US Department of Energy, December 2024). Wildfire smoke in the western states and Canada adds extra change-outs, and North America grows 7.72% a year.

Asia Pacific Holds 30.0% and Leads Gas-Phase Demand

Asia Pacific grows 9.63% a year to USD 391.36 million by 2035, with China, Japan, India, Australia, Singapore and South Korea all in the top 12. DC Market Insights expects hubs near industrial and traffic emissions, such as Johor in Malaysia and Mumbai in India, to buy the most new gas-phase media in the region.

Europe Holds 23.0% Share

Europe grows 7.61% a year. Nordic and Irish sites use outside air for most of the year, and the Ecodesign filter-alarm rule pushes pressure monitoring into every ventilation unit.

Latin America Holds 3.5% Share

Latin America grows 9.49% a year to USD 45.07 million by 2035, led by Brazil and Mexico, where most new halls are air-cooled colocation sites with recirculation and make-up air filters.

Middle East and Africa Is the Fastest-Growing Region at 12.13%

Saudi Arabia and the United Arab Emirates (UAE) lead the region. Sand and dust loads on Gulf campuses shorten pre-filter life, so sites there change filters more often than the fleet average, and the region’s share rises from 4.5% to 6.2% by 2035.

Which Countries Spend the Most on Data Center Air Filtration?

The United States leads with USD 189.34 million in 2025, 36.4% of the world total, and India is the fastest-growing large country at 13.30% a year.

Rank	Country	Region	2025 Value	2035 Value	CAGR 2025-2035
1	United States	North America	USD 189.34 million	USD 393.72 million	7.60%
2	China	Asia Pacific	USD 70.23 million	USD 166.03 million	8.98%
3	Germany	Europe	USD 26.01 million	USD 54.55 million	7.69%
4	United Kingdom	Europe	USD 22.89 million	USD 47.44 million	7.56%
5	Japan	Asia Pacific	USD 21.85 million	USD 45.07 million	7.51%
6	India	Asia Pacific	USD 17.69 million	USD 61.67 million	13.30%
7	Canada	North America	USD 13.53 million	USD 33.21 million	9.39%
8	Australia	Asia Pacific	USD 12.48 million	USD 29.65 million	9.04%
9	France	Europe	USD 11.96 million	USD 24.90 million	7.61%
10	Netherlands	Europe	USD 11.44 million	USD 22.53 million	7.01%
11	Singapore	Asia Pacific	USD 9.88 million	USD 18.98 million	6.75%
12	South Korea	Asia Pacific	USD 9.36 million	USD 22.53 million	9.18%

India grows from USD 17.69 million to USD 61.67 million by 2035 because its new capacity is concentrated in Mumbai, Chennai and Hyderabad, where both dust and corrosive gases require fine filters and chemical media; Singapore grows slowest, at 6.75% a year, because its installed base grows the least among the top 12 countries in the DC Market Insights capacity series.

How Could the 2035 Air Filtration Forecast Change?

The 2035 market ranges from USD 1.08 billion to USD 1.32 billion across three scenarios, depending on how much heat liquid cooling removes from the air path and how fast filter prices rise.

Scenario	Assumption	2035 Value	CAGR 2025-2035
Low	Liquid-cooled MW sends only 8% of heat to air; replacement bill USD 4,000 per MW	USD 1,076.82 million	7.55%
Base	15% to air; USD 4,300 per MW	USD 1,185.94 million	8.59%
High	22% to air; USD 4,700 per MW with wider MERV 13 and gas-phase use	USD 1,322.78 million	9.78%

Who Are the Leading Data Center Air Filtration Companies?

The top five suppliers hold about 50% of 2025 value (DC Market Insights assessment based on product ranges, data center references and filter sales), with Camfil the largest at about 15%, followed by AAF International (Daikin Industries), Parker Hannifin (Filtration Group and Purafil), Freudenberg Filtration Technologies and MANN+HUMMEL.

• Camfil
• AAF International (Daikin Industries)
• Parker Hannifin (Filtration Group and Purafil)
• Freudenberg Filtration Technologies (Viledon)
• MANN+HUMMEL
• Donaldson Company
• Japan Vilene Company
• Ahlstrom
• Circul-Aire (Dectron)
• Koch Filter
• Nederman
• Troy Filters
• 3M
• Hollingsworth and Vose

Camfil reports turnover of 14.3 billion Swedish kronor (SEK) and runs a data center filtration product page in the United States covering particulate and gaseous threats. Freudenberg Filtration Technologies reported sales of EUR 634.6 million in 2025, down from EUR 664.4 million in 2024 mainly on currency, while industrial filtration sales rose slightly (Freudenberg Annual Report 2025). MANN+HUMMEL reported 2025 sales of about EUR 4.2 billion and names data centers among the growth applications of its Life Sciences and Environment business. Donaldson reported fiscal 2026 sales of USD 3.89 billion, with Industrial Solutions at USD 1.13 billion (Donaldson, August 2026); its fiscal 2025 annual report lists demand for cloud computing capacity among its growth drivers. Ahlstrom reported 2025 net sales of EUR 2,930 million for its filter media and specialty materials business.

Recent Developments

Six dated events from September 2025 to August 2026 show filter groups consolidating and adding gas-phase and Asian capacity.

• In September 2025, Camfil opened a HEPA and ULPA filter line at its Manesar plant in India (Source: Camfil).
• In November 2025, Parker Hannifin agreed to acquire Filtration Group, including Purafil, for USD 9.25 billion in cash (Source: Parker Hannifin).
• In November 2025, AAF International launched its AstroSorb molecular filter line in the United States (Source: AAF International).
• In March 2026, Camfil acquired Bioconservación (Bion) of Spain to expand its molecular contamination control division (Source: Camfil).
• In May 2026, Donaldson completed its acquisition of Facet Filtration, and Camfil broke ground on a 14,400 square metre expansion site in Malaysia (Source: Donaldson; Camfil).
• In August 2026, Parker completed the Filtration Group acquisition, which it expects to add about USD 1.8 billion to fiscal 2027 sales (Source: Filtration Group).

Methodology: How Is the Data Center Air Filtration Market Sized?

DC Market Insights sizes the market at USD 520.20 million in 2025 as air-handled installed load times a yearly replacement bill per MW, plus new air-handled capacity times first-fit content per MW.

New data center IT capacity follows the DC Market Insights capacity series used across its reports: 12.0 GW in 2025, 22 GW in 2030 and 27 GW in 2035, with an installed base of 116 GW in 2025 and 311 GW in 2035. AI takes 35% of new capacity in 2025, 60% in 2030 and 66% in 2035, and the liquid-cooled share of new AI capacity rises from 55% to 90% and 95%, which gives an installed liquid-cooled base of 3.83 GW in 2025 and 94.07 GW in 2035. A liquid-cooled MW counts as 0.25 MW of air-handled load in 2025 and 0.15 MW in 2035. The 2025 receipt: 113.1 GW of air-handled installed load x USD 3,600 per MW a year = USD 407.26 million; 10.27 GW of new air-handled capacity x USD 11,000 per MW = USD 112.94 million. Filter types, applications, regions, countries and buyer types are shares of the total that move linearly from 2025 to 2035; the purchase-type split follows the model lines.

The estimate passes three bound checks. First (ceiling): if all 116 GW of 2025 installed capacity were air-handled and all 12.0 GW of new capacity were fitted at the first-fit rate, filters would cost about USD 549.6 million, above the USD 520.20 million estimate. Second (ceiling): the whole market equals about 26% of the USD 2 billion of 2025 sales Filtration Group expected and about 57% of Donaldson’s USD 914.2 million of Industrial Filtration Solutions sales in fiscal 2025, a plausible size for one end market of the air filtration industry. Third (floor): one change a year of MERV 8 recirculation filters at USD 8 on 73 faces per MW of the 113.1 GW base (USD 66.0 million) plus USD 4,000 of first fit per new air-handled MW (USD 41.1 million) gives USD 107.1 million, below the estimate. Full method: DC Market Insights research methodology; filters sit inside the cooling spend of the Data Center Thermal Management Market report, next to the Data Center Water Treatment Market report on the water side.