The Helios product range extends from classic ventilation to heat recovery and air purification to special topics such as explosion-proof fans, T120 models and smoke extraction. Select the right category for your project here and find the perfect ventilation solution for your project.
Product categories
Small room fans
Helios small room fans offer a versatile range of solutions for duct, wall, window and ceiling installation, providing supply and extract ventilation for residential and smaller commercial spaces. They combine award-winning design with efficient and quiet operation. A wide range of functions and reliable performance make Helios small room fans suitable for demanding ventilation applications.
Show product categoryDesign small room fans with high pressure performance, quiet operation and high efficiency. The premium design impresses with understated elegance in every room.
Fans for individual rooms with the best performance parameters. Installation-friendly solutions for different installation situations in living spaces and small commercial spaces.
Versatile axial fans for delivering small to medium volume flows against low resistances. Units can be used for room ventilation, air circulation, cooling, drying, etc.
Powerful centrifugal fans for external wall installation for efficient extract ventilation. Suitable for commercial, industrial and residential buildings, for the ventilation of small and medium-sized rooms.
For air circulation and cooling in foyers, restaurants, salesrooms and industrial buildings. Ideal for the acceleration of drying processes or as a measure against waste heat from lighting.
Mobile and stationary units for heating and drying rooms. The units can also be used in wet and damp rooms thanks to the robust and corrosion-resistant design.
Balanced domestic ventilation without heat recovery
The traditional ventilation of an apartment by opening windows is no longer an effective solution. Cost-effectiveness, watertight building envelopes and ventilation concepts for humidity protection increasingly require mechanical, controlled ventilation. Helios provides innovative systems for all areas of application, which optimally meet both normative requirements and all fire and noise protection requirements.
Show product categoryDesign small room fans with high pressure performance, quiet operation and high efficiency. The premium design impresses with understated elegance in every room.
Ventilation of internal bathrooms and WCs in accordance with DIN 18017-3 – powerful, quiet and efficient. Pure power: More than 40 individual units can be connected to a main pipeline.
Universally applicable solutions for all wall types and no electrical connection. The fresh supply air is perfectly distributed, filtered and optimally sound-insulated when it flows indoors.
Central and demand-oriented solutions for the controlled supply and extract ventilation of living spaces. The units operate energy-efficiently and quietly thanks to the advanced EC technology.
Diagonal discharge roof fan in weather-resistant plastic casing with energy-saving EC technology for a variety of applications.
Ventilation with heat recovery for apartments and single-family houses
Helios KWL ventilation systems with heat recovery provide pleasant, draught-free and clean air around the clock. The KWL range from Helios includes decentralised and central ventilation units for use in single family houses and apartment buildings as well as individually selectable air distribution systems and components. The perfectly coordinated Helios system solutions guarantee simple planning, safe installation and high efficiency.
Show product categoryDesign units for controlled ventilation with heat recovery for individual rooms. Comfortable indoor climate and effective energy saving – also ideal in the context of energy-efficient refurbishment.
Multiple award-winning units for ventilation with heat recovery for a pleasant feel-good climate. The smart “easyControls 3.0” control concept offers a wide range of individual options – even on the move.
Customised system components make KWL a flexible solution for a wide range of residential projects – for comfortable living and efficient operation.
Helios air distribution systems provide the perfect solution for any building project and any installation type. Design award-winning air inlets and outlets offer maximum flexibility for planning and installation.
Compact units with heat recovery for residential and non-residential buildings
Whether in commercial buildings, for industrial facilities or in public buildings, Helios always offers the right solution for controlled supply and extract ventilation with heat recovery! For example, Helios AIR1, the new product range for volume flows up to 15,000 m³/h and over 100 configuration options for maximum individuality. Or KWL Yoga, decentralised ventilation units for the best air with minimal installation costs – ideal e.g. for school operation.
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The new dimension in efficient ventilation with heat recovery. 4 series, over 30 types and more than 100 configuration options – Helios AIR1 guarantees a selection for practically all areas of application.
Compact units with heat recovery for space-saving ceiling or floor installation. There are many comfort and equipment variants to choose from.
7 units in one compact box! For the demand-oriented supply and extract ventilation of residential and commercial units in combination with a centralised ventilation unit with heat recovery.
Large decentralised ventilation units with heat recovery for new buildings and the renovation of schools, offices and commercial facilities. Flexible control options enable use entirely as required.
Air purifiers and CO2 monitors
Wherever people come together indoors, airborne pathogens can become a challenge. Helios offers practical solutions designed to reduce airborne particle concentrations – with little effort and without structural modifications.
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AirPal air purifiers are mobile and work with a highly efficient HEPA 14 filter system. One free power socket is all that’s required and AirPal air purifiers are immediately operational.
Helios CO2 monitors signal the current CO2 concentration with traffic light colours and are thus a simple but effective indicator of the air quality in enclosed spaces.
Axial and VAR fans
As a leading European fan manufacturer, Helios offers an exceptional, finely tuned series range of high performance, low and medium pressure axial fans and RADAX® VAR high pressure round duct fans in all performance ranges – optionally also for smoke extraction or in explosion-proof design. Well-known users rely on the application of Helios axial fans in ventilation, heating, cooling, air conditioning and drying systems around the world.
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- Low pressure axial fans (wall installation)
- Low pressure axial fans (duct installation)
- Explosion-proof low pressure axial fans (wall installation)
- Explosion-proof low pressure axial fans (duct installation)
- Low pressure axial smoke extraction fans
- Medium pressure axial fans
- Medium pressure axial smoke extraction fans
- VAR high pressure fans
- Explosion-proof VAR high pressure fans
- VAR high pressure smoke extraction fans
Low pressure fans with factory adjustable blades for almost any operating point up to 150,000 m³/h and 1100 Pa. The compact unit design guarantees simple installation.
Low pressure fans with factory adjustable blades for almost any operating point up to 150,000 m³/h and 1100 Pa. The compact unit design guarantees simple installation.
Low pressure axial fans in explosion-proof design according to ATEX Directive 2014/34/EU.
Low pressure axial fans in explosion-proof design according to ATEX Directive 2014/34/EU.
Low pressure axial smoke extraction fans are ideal for mechanical smoke extraction in special structures, such as parking garages, industrial buildings, sales locations and meeting locations.
With flow rates up to 32,000 m³/h and very high pressure rates up to 1,400 Pa, the Helios medium pressure axial fans allow maximum volume flows in the smallest of spaces.
Helios medium pressure axial smoke extraction fans are available as smoke extraction fans in mechanical smoke extraction systems in temperature classes F300 and F400.
High pressure and high flow rates in compact casing for various applications in commercial and industrial buildings, and this in a large variety of types in 14 sizes.
Explosion-proof VAR high pressure fans for conveying explosive gas, vapour and air mixtures. They comply with directive 2014/34/EU with ignition protection type “e” (=increased safety).
VAR high pressure smoke extraction fans are available in temperature classes F300, F400 and F600 for smoke extraction in accordance with DIN 12101-3 and they combine high pressure with high flow rates.
Box fans
Helios box fans are true allrounders, offering almost unlimited flexibility in various applications. These include GigaBox centrifugal fans, MegaBox centrifugal fans and fresh air boxes. All models are characterised by compact design and installation-friendly accessories and they always allow optimal adaptation to the structural conditions of your project.
Show product categoryMultifunctional unit for conveying medium to high volume flows against high resistances in ventilation systems. Variable adaptation to structural conditions is possible.
Particularly suitable for conveying contaminated, humid and hot air up to max. 120 °C. Also available with EC technology.
Centrifugal fan for conveying dirty, greasy, hot and humid air against high resistances. Also ideal as an extract air fan for extraction hoods in commercial kitchens.
Centrifugal fan for conveying explosive gas, vapour and air mixtures. The motor-impeller unit is retractable and the motor is located outside of the air flow.
Supply air, heating and filter in one unit for installation in round and rectangular ducts for clean, preheated fresh air. Comfortable application is ensured by extremely quiet operation and long cleaning intervals.
Barely higher than the duct diameter for compact installation in any position – also in silenced version. Longer duct sections are not a restriction due to the high pressure rates.
Silenced centrifugal round duct fans with high volume output and pressure performance for extract air and intake air systems. Also available as SilentBox EC for high energy efficiency.
Round duct fans
Helios round duct fans offer versatile system solutions for a wide range of requirements, with a broad choice of models and coordinated accessories. The range includes the particularly slim SlimVent series, silenced versions in the AcousticLine series and the highly adaptable MultiVent. All series are also available with EC technology for efficient, demand-based operation.
Show product categoryVentilation of small to medium-sized rooms with extremely small dimensions and installation in any position. MultiVent is available in AC and energy-saving EC version.
Linear flow pattern and impressive performance characteristics with simple installation. Extremely quiet operation and optionally available with energy-saving EC technology.
Explosion-proof InlineVent round duct fans comply with directive 2014/34/EU (ATEX) and they are suitable for conveying smaller volume flows in rooms with explosive atmospheres.
Barely higher than the duct diameter for compact installation in any position – also in silenced version. Longer duct sections are not a restriction due to the high pressure rates.
Silenced centrifugal round duct fans with high volume output and pressure performance for extract air and intake air systems. Also available as SilentBox EC for high energy efficiency.
Multifunctional unit for conveying medium to high volume flows against high resistances in ventilation systems. Variable adaptation to structural conditions is possible.
Particularly suitable for conveying contaminated, humid and hot air up to max. 120 °C. Also available with EC technology.
Centrifugal fan for conveying dirty, greasy, hot and humid air against high resistances. Also ideal as an extract air fan for extraction hoods in commercial kitchens.
Centrifugal fan for conveying explosive gas, vapour and air mixtures. The motor-impeller unit is retractable and the motor is located outside of the air flow.
Rectangular duct fans
Helios rectangular duct fans are the ideal solution for the reliable supply and extract ventilation of industrial and commercial applications. The compact design promises minimal space requirement and shows its advantages in combination with numerous accessory components, such as the heating elements, filters or silencers. Silenced “AcousticLine” types and particularly economical versions with EC technology highlight the variety.
Show product categoryCentrifugal rectangular duct fans with forward curved blades for high delivery pressure. Compact and flat design for versatile use in extract air and intake air systems.
Rectangular duct fans with backward curved blades for conveying contaminated air. Optionally available in particularly silenced and especially energy-efficient version.
Explosion-proof rectangular duct fans for operation in zones 1 and 2 according to ATEX. High-performance impellers provide efficient operation with high performance levels.
Smoke extraction rectangular duct fans F400 in extremely compact design for rectangular ducts. Suitable for preventive fire protection to ensure smoke and heat extraction.
Roof fans
More than 150 types with horizontal or vertical discharge, available with AC or efficient EC technology, cover volume flows of up to 70,000 m³/h. Helios roof fans offer solutions for a wide range of applications, including demanding operating conditions such as elevated temperatures or potentially explosive atmospheres. The range combines efficient operation with compliance with the applicable EU Ecodesign requirements.
Show product categoryThe vertical discharge VD series is the perfect partner for a wide range of applications in residential, commercial and public buildings.
Roof fans in the RD series discharge horizontally and are ideal for central ventilation without heat recovery.
Diagonal discharge roof fan in weather-resistant plastic casing with energy-saving EC technology for a variety of applications.
Vertical outlet roof fans with optimised aluminium casing and high performance centrifugal impeller. Designed for a continuous air flow temperature up to max. 120°C.
Helios roof fans in explosion-proof version in accordance with directive 2014/34/EU (ATEX). Available in vertical and horizontal version up to 13,000m³/h.
Robustly designed for demanding fire conditions, Helios smoke extraction roof fans support effective smoke extraction when it matters most.
Smoke extraction, smoke control and parking garage ventilation
When it comes to safety, reliable performance is essential. Helios TGA supports safety-relevant applications with proven and advanced solutions. Carefully coordinated system solutions combine reliable Helios fans, compatible system components and tailored services – making Helios TGA a strong partner for professionals in demanding safety-related applications.
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- Low pressure axial smoke extraction fans
- Medium pressure axial smoke extraction fans
- VAR high pressure smoke extraction fans
- Smoke extraction roof fans
- Smoke extraction rectangular duct fans
- Smoke extraction jet fans
- Smoke protection pressure systems and stairway flush ventilation systems
- Control and regulation systems
Smooth running and efficiency – for preventative fire protection e.g. in hotels, shopping centres and public buildings. Extremely quiet operation with simultaneously high level of efficiency.
Dual-use capable medium pressure smoke extraction fans for use in MRA systems e.g. in garages, airports, etc. Available in temperature classes F300 and F400.
RADAX combines the advantages of axial and centrifugal fans for high pressure and volume performance in preventative fire protection. Available in temperature classes F300, F400, F600.600.
Robustly designed for demanding fire conditions, Helios smoke extraction roof fans support effective smoke extraction when it matters most.
Smoke extraction rectangular duct fans BK guarantee smoke and heat extraction in system fire protection. They allow air flow temperatures up to 400 °C for 120 minutes.
Compact smoke extraction jet fans with high thrust performance for the ventilation and smoke extraction of parking garages. Available in axial design in classes F300 and F400 as wella s in centrifugal design in classes F300.
Smoke protection pressure systems and stairway flush ventilation systems guarantee life-saving smoke control in stairways, fire service lifts and anterooms in case of fire and ensure the supply of fresh air.
The extensive Helios range of control and regulation systems allows individual adaptation to every property with its variety of solutions.
Detection of harmful gases and warning of excessive concentrations. In addition, the detection of the gas concentration results in demand-oriented fan operation.
All necessary functions for garage ventilation and smoke extraction in a compact design.
The control centre for safe smoke extraction in accordance with VDMA 24177. The versatile connection options allow flexible use.
For monitoring the bearings of smoke extract fans to ensure permanent operational safety.
Jet fans
Axial and centrifugal jet fans are used in parking garages for everyday supply and extract ventilation and for smoke extraction in the event of a fire, supporting firefighting operations. The generated air jet creates an impulse that moves the surrounding air in the intended airflow direction – towards the central extract air fan or the next jet fan unit.
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The axial and centrifugal jet fans from Helios are among the most space-saving lightweight fans in the TGA sector. The lightweight design ensures simple installation on the ceiling.
Compact smoke extraction jet fans with high thrust performance for the ventilation and smoke extraction of parking garages. Available in axial design in classes F300 and F400 as wella s in centrifugal design in classes F300.
Explosion-proof fans
Helios offers a full range of fans of various designs suitable for conveying explosive gas, vapour and air mixtures in accordance with Directive 2014/34/EU (ATEX,).
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Explosion-proof InlineVent round duct fans comply with directive 2014/34/EU (ATEX) and they are suitable for conveying smaller volume flows in rooms with explosive atmospheres.
Explosion-proof high performance axial fans for conveying explosive gas, vapour and air mixtures. Suitable for use e.g. in fuel depots or battery factories.
Explosion-proof high performance axial fans for conveying explosive gas, vapour and air mixtures. Suitable for use e.g. in fuel depots or battery factories.
Explosion-proof rectangular duct fans for operation in zones 1 and 2 according to ATEX. High-performance impellers provide efficient operation with high performance levels.
Helios roof fans in explosion-proof version in accordance with directive 2014/34/EU (ATEX). Available in vertical and horizontal version up to 13,000m³/h.
Explosion-proof VAR high pressure fans for conveying explosive gas, vapour and air mixtures. They comply with directive 2014/34/EU with ignition protection type “e” (=increased safety).
Centrifugal fan for conveying explosive gas, vapour and air mixtures. The motor-impeller unit is retractable and the motor is located outside of the air flow.
Measure. Control. Regulate.
Adapting ventilation system performance to changing requirements is an important factor in maintaining comfortable indoor conditions and supporting efficient operation. The broad Helios range offers flexible solutions for a wide variety of requirements, including energy-efficient operation and noise reduction. Control and regulation units coordinated with the respective fan simplify planning, installation and operation – helping to reduce time and effort throughout the process.
Show product categoryThe broad variety of switches covers a wide range of requirements. This includes reverser switches, isolator switches and pole changing switches in surface-mounted and flush-mounted versions.
Speed controllers for the variable fan speed control. Several fans, even different ones, can be operated with one controller.
Helios frequency inverters are suitable for controlling the speed of one or more fans and they come with a sine filter depending on the type.
Switching devices and motor protection circuit breakers for surface mounting or control cabinet installation depending on the version.
Control of connected fans via temperature, humidity or pressure as well as comprehensive solutions for automatic humidity-differential pressure control.
Flow monitor in electronic or mechanical version for monitoring flow velocities in round duct and rectangular duct sections.
Sensors and systems for monitoring room air based on various factors and solutions for switching connected fans based on room air quality.
Air treatment
Helios air treatment components provide flexible solutions for filtration, air heating and acoustic optimisation in both round and rectangular duct ventilation systems. The broad range covers a wide variety of sizes and performance requirements and is designed to work seamlessly with Helios fans and ventilation systems. This simplifies planning and installation while offering a high degree of flexibility for different system requirements.
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Attachable air filters for wall and ceiling installation, for installation in rectangular ducts as well as air filter boxes for all common pipe diameters. For effective and simple supply air treatment.
For pleasant room air temperature, in graduated performance range, as electric or warm water versions. For rectangular ducts or for round ducts of various diameters.
Sound insulation with low pressure losses. Available in all sizes and designs for installation in rectangular duct/round duct systems. Made of galvanised steel sheet or flexible aluminium duct.
Mechanical accessories
The Helios accessory range includes design award-winning ventilation valves, extract air elements, attachment and filter elements, disc valves for supply and extract air operation as well as inlet elements for the controlled supply of intake air. The range also includes various components in all required classifications and for various installation situations for the prevention of fire propagation to adjacent floors and rooms in multi-floor buildings.
Show product categoryWeather-resistant shutters for the external closure of extract and supply air openings as well as inline and duct shutters.
Weather protection and rain-repellent grilles made of plastic or anodised aluminium as well as adjustable or fixed ventilation grilles.
The Helios range offers multiple design award-winning ventilation valves, extract air elements, attachment filter elements and disc valves for supply and extract air operation.
The automatic volume flow stabilisers are a convincing and cost-effective solution for ensuring a constant volume flow.
Universally applicable automatic supply air elements for rooms of all kinds. In various versions – manual or automatic.
Components for the prevention of fire propagation to adjacent floors and rooms in multi-floor buildings. In all required classifications and for a wide variety of installation cases.




















