TLT-Turbo

What TLT-Turbo does

TLT-Turbo GmbH is a German manufacturer of custom industrial ventilation systems serving mining, tunnel and metro, thermal power, process industries (steel, cement, petrochemical, chemical), food and pharmaceutical (via mechanical vapor recompression), and aerospace/automotive testing (wind tunnel) applications. Founded in 1860 and headquartered in Zweibrücken with additional manufacturing in Bad Hersfeld, the company has built and commissioned approximately 10,000 fan and ventilation systems worldwide and now operates through regional subsidiaries in Africa, North America, India, and Australia, with authorized service partners in Saudi Arabia (SMH) and Thailand (Zenith Power System). Since the 1996 acquisition of KK&K (Kühnle, Kopp & Kausch) ventilator technology rights from Siemens Turbomachinery Equipment GmbH, TLT-Turbo is the sole OEM and authorized service provider globally for KK&K fan types AP, AN, and V/VZ.

The company's core technology is centred on proprietary fan aerodynamics — high-efficiency axial and centrifugal impeller designs, variable-pitch blade systems, CFD-optimised flow paths, ceramic hybrid bearings (maintenance-free for up to 10 years), composite (carbon fibre) blades for large-diameter wind tunnel fans, and PLC-controlled variable frequency drives for automated airflow regulation. Flagship products include the Modular Mining Fan (MMF), Auxiliary & Booster Fans, the MoJet® jet fan for tunnel ventilation (co-developed with Mosen Ltd., offering up to 50% higher thrust and up to 40% lower energy consumption versus conventional jet fans), the SMART Fan retrofit for self-regulating mine ventilation (launched 2025), and the High-Flow MVR Series for industrial heat recovery (2024). The company is a subsidiary of PowerChina (Power Construction Corporation of China).

TLT-Turbo operates an enterprise field sales model: direct engagement between technical sales engineers and customer engineering/procurement teams, project-based pricing with no public list price, and sale cycles that run from feasibility through engineering, installation, commissioning, and long-term aftermarket support. Revenue is generated from (1) custom hardware sales of new fan and ventilation systems, (2) recurring aftermarket services including inspection, maintenance, repair, emergency service, spare parts management, AeroUpgrade retrofits, and AeroConsulting optimization, and (3) KK&K OEM and service revenue across the legacy installed base. The company markets through industry trade shows (CIM Connect, Pollutec, KITE, KWTK, TSV Graz, Maintenance Dortmund), technical publications (including World Cement), downloadable brochures in multiple languages, and reference customer case studies such as Frischli (dairy MVR installation), a 1,878 MW power plant in Laos, and the Gotthard Road Tunnel modernization in Switzerland (44 axial fans, 2026-2033).

Name

TLT-Turbo

Legal name

TLT-Turbo GmbH

Website

https://tlt-turbo.com

Company type

Private

Founded year

1860

Operating status

Operating

Headcount range

251–500 employees

Short description

TLT-Turbo GmbH is a German (Zweibrücken) industrial ventilation OEM, operating since 1860, that designs and manufactures custom axial and centrifugal fans, jet fans, and mechanical vapor recompression systems for mining, tunnel, power, process, food, and aerospace-testing customers across 6 continents, with service through subsidiaries in Africa, North America, India, and Australia.

Ownership category

akta.pro rank

Product category

Industrial Ventilation Equipment

NAICS

Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341)

SIC

Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Fans, Blowers & Ventilation Units (Supply/Exhaust/Inline) (IMADANAB)

Keywords

• Industrial ventilation fans
• Mining ventilation systems
• Tunnel jet fans
• Power plant fans
• Mechanical vapor recompression

Headquarters

HQ city

Zweibrücken

HQ country

Germany

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Industrial Fan & Ventilation System Sales: TLT-Turbo generates the majority of its revenue from the design, manufacture, and sale of custom industrial fans and complete ventilation systems for mining, tunnel, power plant, industrial process, and wind tunnel applications. Products are highly customized capital equipment with long sales cycles, delivered as new installations or retrofits. Pricing is project-based and negotiated directly with customers.
2. Aftermarket Services & Maintenance: TLT-Turbo generates recurring revenue from a comprehensive suite of after-market services including inspection, maintenance, repair, emergency service, parts management, remote diagnostics, and system optimization for both TLT-Turbo products and third-party fans. Services include wear protection, corrosion protection, field service, fan rebuilds, and training. The company also serves third-party equipment, extending its serviceable addressable market.
3. KK&K Technology Licensing & OEM Services: As the sole owner of the original KK&K (Kühnle, Kopp & Kausch) ventilation technology rights acquired in 1996, TLT-Turbo operates as the only OEM and service partner for all installed KK&K fans globally. Revenue is generated through the sale of original spare parts, repair, maintenance, retrofit, and modernization services for KK&K fan types AP, AN, and V/VZ.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels6 records

Core offering

TLT-Turbo designs, engineers, manufactures, and services custom-built industrial fans and complete ventilation systems for underground mining, road and metro tunnels, thermal power plants, process industries (steel, cement, petrochemical, waste incineration), wind tunnel test facilities, and mechanical vapor recompression (MVR) heat-recovery applications. The company also provides comprehensive aftermarket services — inspection, maintenance, repair, spare parts, wear and corrosion protection, retrofits (AeroUpgrade), and consulting (AeroConsulting) — and serves as sole OEM/service partner for all installed KK&K (Kühnle, Kopp & Kausch) fans worldwide under technology rights acquired in 1996.

Product overview

TLT-Turbo is a global leader in industrial ventilation solutions with over 160 years of experience since 1860, having built approximately 10,000 fans and systems worldwide. The company's portfolio consists of a unified platform of industrial ventilation products organized into distinct product lines: Mining Ventilation Fans (including Modular Mining Fans and Auxiliary & Booster Fans), Tunnel & Metro Ventilation Fans (featuring the MoJet® jet fan technology), Industrial Fans, Power Plant Fans, Wind Tunnel Fans, and Mechanical Vapor Recompression (MVR) Fans for energy recovery. The KK&K brand (acquired 1996) extends coverage for legacy ventilation systems. Comprehensive Service & Support offerings include maintenance, optimization, wear/corrosion protection, spare parts management, and remote service capabilities. Recent innovations include the SMART Fan system with automated airflow response for mining and the High-Flow MVR Series with efficiencies exceeding 85%.

Differentiator

Problem solved

Functional benefit

Brands

• MoJet®: Next-generation jet fan for tunnel ventilation, developed in collaboration with Mosen Ltd. and leading universities. Offers up to 50% higher thrust and up to 40% reduced power consumption compared to conventional jet fans.
• SMART Fan

Products and services

• Mining Ventilation Fans (including Modular Mining Fans and Auxiliary & Booster Fans) Custom high-performance mining ventilation fans for underground mines. Covers primary ventilation (Modular Mining Fans) and secondary/booster ventilation (A&B Fans), with volume flows of several thousand m³/s and pressure increases up to 12,000 Pa. Over 100 variation possibilities across diameters and hub sizes. Designed for abrasive dust, changing mine geometry, and continuous-duty operation.
• Tunnel & Metro Ventilation Fans Comprehensive ventilation solutions for metro stations, road tunnels, and railway tunnels. Product range includes jet fans, axial fans with blade adjustment, and construction fans. Jet fans certified per EN 12101-3 up to F400, fan sizes from 560 mm to 3,500 mm, with capabilities for high temperatures, smoke extraction, large pressure fluctuations, and combined push-pull and smoke-extraction operation in a single system.
• MoJet® Jet Fans MoJet® is a proprietary jet fan designed for tunnel ventilation that increases thrust by up to 50% without increasing electrical power and reduces energy consumption by up to 40%. Innovative nozzles and silencers minimize friction losses, reducing tunnel cross-section requirements, installation costs, and the number of fans needed per tunnel.
• Power Plant Fans Specialized, custom-engineered fans for thermal power plants (coal, oil, gas, biomass, waste-to-energy). Capacities over 1,000 m³/s volume flow and pressure increases up to 20,000 Pa. Product range covers axial forced-draft fans, axial balanced-draft fans with adjustable guide vanes, robust centrifugal fans, fresh air fans, induced-draft fans, primary-air fans, and wet/dry flue-gas-desulfurization fans.
• Industrial Fans Customized axial and centrifugal process fans for heavy industrial applications including the steel industry, cement plants, waste incineration, dedusting, and chemical/petrochemical facilities. Includes gas-tight systems, individual wear- and sound-protection solutions, and application-specific impeller designs for operation under extreme temperatures, abrasive dust, and corrosive media.
• Wind Tunnel Fans High-performance fans for wind tunnel test facilities worldwide, supporting aerodynamic, aeroacoustic, and climatic testing for automotive, aerospace, and research applications. Available with composite (carbon fiber) or aluminum impeller blades for reduced rotor weight, lower moment of inertia, faster startup, low power consumption, high damage tolerance, and long service life.
• Mechanical Vapor Recompression (MVR) Fans MVR turboventilators compress vapor for heat recovery in industrial evaporation processes, enabling significant energy savings and replacing the need to generate fresh steam. Features ceramic hybrid bearings (maintenance-free for up to 10 years, no oil supply required, no contamination risk), high-efficiency motors and converters, and the new High-Flow series with impeller efficiency over 85%. Serves food, dairy, pharmaceutical, and chemical industries.
• SMART Fan (Sustainable Monitoring and Airflow Response Technology) SMART Fan is an electronic retrofit package for TLT-Turbo auxiliary mining fans, enabling self-regulating ventilation with automatic constant airflow and real-time response to changing underground conditions. It optimizes energy use in mines where fixed-speed fans typically over-supply air and ventilation can account for 60-70% of operating costs.
• KK&K (Kühnle, Kopp & Kausch) — Legacy OEM Spare Parts, Service, and Modernization TLT-Turbo is the sole owner of the original KK&K (Kühnle, Kopp & Kausch) ventilation technology for fan types AP, AN, and V/VZ, and the only authorized OEM and service partner for all KK&K fan installations worldwide. Offerings include original spare parts, repair, maintenance, retrofit, modernization, and energy optimization for aging KK&K fans in power plants, steel mills, and large industrial facilities.
• Service, Maintenance, and Optimization (AeroUpgrade / AeroConsulting) Aftermarket lifecycle services for TLT-Turbo and third-party fans: inspection, maintenance, repair, emergency service, wear and corrosion protection, spare parts management, fan rebuilds, training, remote diagnostics, and AeroUpgrade / AeroConsulting optimization programs using CFD simulation and experimental testing. Services extend the equipment's life and energy performance across the installed base.

Quantifiable outcome

• Energy savings of 8,700 EUR/year per MVR fan (12,000 EUR/year without CHP subsidies) at Frischli dairy plant in Rehburg-Loccum, Germany
• +11 more outcomes

Named customers3 records

Segments7 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature9 records

Partnerships

Six partnerships are on record, tiered core, minor and flagship.

• Siemens Turbomachinery Equipment GmbH (formerly KK&K / Kühnle, Kopp & Kausch)coreTechnology or Integration · 30 January 1996TLT-Turbo acquired the rights to KK&K (Kühnle, Kopp & Kausch) ventilation technology from Siemens Turbomachinery Equipment GmbH on January 30, 1996. The acquired IP covers fan types AP, AN, and V/VZ. As sole IP owner, TLT-Turbo operates as the only OEM and authorized service provider for all installed KK&K fans globally, providing spare parts, repairs, maintenance, and retrofits.
• PowerChina (Power Construction Corporation of China)coreStrategic or Co-development PartnerPowerChina acquired TLT-Turbo, integrating it as part of its industrial portfolio. Under PowerChina ownership, TLT-Turbo secured its largest project to date — the Gotthard Tunnel ventilation contract — positioning the company for international infrastructure growth. The Gotthard project is described as the largest since TLT-Turbo's acquisition by PowerChina, demonstrating the parent's strategic importance to the company's global expansion.
• Zenith Power System Co., Ltd.minorChannel Partner/ Reseller/ DistributorZenith Power System Co., Ltd. in Thailand serves as TLT-Turbo's local partner for Thailand and Laos, providing on-site support for project execution and installation. The joint team of TLT-Turbo and Zenith successfully completed fan retrofits at a 1,878 MW power plant in Laos, replacing six fans within a compressed timeline. Zenith handles local logistics, assembly support, and customer coordination in the region.
• Gotthard Tunnel Project Consortium / Swiss Tunnel OperatorsflagshipStrategic or Co-development PartnerTLT-Turbo was awarded a contract to supply 44 blade-adjustable axial fans plus central components for the modernization of the Gotthard Road Tunnel in Switzerland. The project (2026-2033) is the largest in TLT-Turbo's history since its acquisition by PowerChina, with a volume in the mid two-digit million EUR range. The project involves full engineering, project management, installation, commissioning, and testing.
• Mosen Ltd.coreStrategic or Co-development PartnerTLT-Turbo co-developed the MoJet® jet fan technology with Mosen Ltd. and leading universities. The collaboration combines TLT-Turbo's industrial fan manufacturing expertise with Mosen's specialized tunnel ventilation technology. TLT-Turbo operates a dedicated MoJet® website (mojet.global) and holds the commercial rights to the MoJet® product.
• SMH (Saudi Maintenance & Heat)minorImplementation/ SI/ Consulting PartnerTLT-Turbo appointed SMH, a specialist in rotating machinery and fan maintenance, as its authorized service partner in Saudi Arabia. SMH is authorized to perform maintenance, repairs, and complementary services on TLT-Turbo fans. Initial authorization covers specific fan series and models, performed according to TLT-Turbo's processes and standards. Training is planned both in Germany and on-site in Saudi Arabia. TLT-Turbo engineers will continue to support special cases as needed.

Scale indicators7 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Howden Group: Howden is one of the largest global suppliers of industrial fans, blowers, and ventilation equipment for mining, tunnel, and process industries. Identified alongside TLT-Turbo as a key player in the global mine ventilation system market, with comparable product breadth in axial/centrifugal fans and a similar project-driven, custom-engineering model.
• Cincinnati Fan: Cincinnati Fan designs and manufactures industrial fans for dust collection, process ventilation, and material handling. Its custom industrial fans for abrasive and high-temperature service are comparable to TLT-Turbo's industrial-process fan lines for cement, steel, and waste-to-energy.
• New York Blower Company: New York Blower manufactures industrial fans and blowers for process, power, and mining ventilation applications. Its custom-engineered axial and centrifugal fans compete directly with TLT-Turbo's project-based industrial fan offerings, particularly in the Americas.
• Twin City Fan & Blower: Twin City Fan manufactures industrial and commercial fans for HVAC, process, and industrial ventilation markets. Its lineup of axial, centrifugal, and high-pressure industrial fans overlaps with TLT-Turbo's power-plant and industrial fan portfolios.
• Greenheck Group: Greenheck is one of North America's largest manufacturers of commercial and industrial ventilation equipment including fans, blowers, and dampers. Its broad portfolio of axial and centrifugal fans for industrial, commercial, and process applications directly overlaps with TLT-Turbo's industrial and power-plant fan lines.
• Sodeca: Sodeca is a European manufacturer of industrial ventilation fans and extractors serving industrial, tunnel, and process ventilation markets. Its project-engineering approach and product range in axial and centrifugal fans overlap with TLT-Turbo's industrial and tunnel ventilation lines.
• FläktGroup: FläktGroup is a Europe-based specialist in air handling, ventilation, and industrial fan systems with comparable offerings in custom air movement solutions for tunnels, industrial facilities, and commercial buildings. The company competes head-to-head with TLT-Turbo in tunnel and industrial ventilation in European markets.

Broad incumbents

• ABB: ABB is a broad industrial incumbent whose motors, drives, and ventilation solutions compete with TLT-Turbo in the mining ventilation market, where ABB is identified as a key player. ABB's industrial drives and motor control overlap with TLT-Turbo's variable-pitch blade systems and VFD-integrated fans, particularly in mining and power-plant applications.
• Johnson Controls International: Johnson Controls is a broad HVAC and building systems incumbent whose industrial-grade fans, air handling units, and building ventilation offerings compete with TLT-Turbo's commercial-industrial fan portfolio. While it serves a much wider market, its industrial/process ventilation offerings overlap meaningfully with TLT-Turbo's industrial fan lines.

Others

• Centrifugal Fans Ltd / TLT India (TLT Babcock): TLT India (TLT Babcock) is the historical Indian affiliate of the same TLT family of companies and a regional industrial-fan supplier serving power and process industries. They share brand heritage with TLT-Turbo and are thematically connected as ecosystem participants in the global industrial ventilation market, though they operate as separate regional entities.

Market position

Strengths1 record

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about TLT-Turbo