Ventilation systems

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Variable air volume ventilation

VAV ventilation

The system adjusts airflow to match actual zone demand; Daikin Compact L is one equipment option.

Applications

Offices, shops, schools, healthcare and administrative premises.

Heat and cooling recovery
Installation in confined spaces
Integration with building controls

Heat recoveryCAV / VAVUp to 4 000 m³/h

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VAV ventilation based on a compact supply and extract air handling unit

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Ventilation with an enthalpy heat exchanger

Enthalpy recovery ventilation

Supply and extract ventilation with heat and moisture recovery using Mitsubishi Electric Lossnay LGH-100RVX-E.

Applications

Offices, shops, restaurants and spaces with variable demand.

Enthalpy recovery
Free cooling mode
Coordinated control with a DX system

1 000 m³/hCO₂ controlM-NET / DX

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Mitsubishi Electric Lossnay LGH-100RVX-E with an enthalpy heat exchanger

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Central supply and extract air handling unit

Central ventilation

A supply and extract ventilation system with heat recovery for year-round operation; AeroStar CrossStar is one AHU option.

Applications

Business centres, schools, public and commercial buildings.

Efficient heat recovery
Reliable winter operation
EC fans and controls

Heat recoveryECYear-round operation

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AeroStar CrossStar central supply and extract air handling unit

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Supply air without heat recovery

Once-through ventilation

The system filters and conditions outdoor air without heat recovery; VENTS MPA is one possible equipment option.

Applications

Make-up air to replace air removed by local extract or process systems.

Outdoor air filtration
Heating to the design temperature
Integrated operating mode controls

Supply airHeatingControls

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Local supply and extract systems

Ducted ventilation

We use Systemair, VENTS and AeroStar duct fans for systems with different configurations and airflow requirements.

Applications

Offices, toilets, plant rooms and local extract systems.

Energy-efficient EC motors
Low noise levels
Smooth capacity control

ECCircular and rectangular ductsControl

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Ducted ventilation with an energy-efficient fan

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Extraction of hot and contaminated air

Commercial kitchen ventilation

Extract systems for hot, grease-laden air; Systemair MUB/T is one fan option for these conditions.

Applications

Restaurants, cafés, food production facilities and commercial kitchens.

Handling high-temperature air
Motor outside the airstream
Easy access for cleaning and maintenance

Kitchen extractionUp to 120 °CMaintenance access

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07 / 10

Smoke extraction and pressurisation

Fire safety ventilation

Smoke extraction, pressurisation and emergency mode control systems.

Applications

Car parks, shopping centres, industrial and public buildings.

Emergency mode calculations
Integration with fire safety controls
Fan and damper status monitoring

EN 12101-3DampersFire safety controls

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Systemair AXC axial fan for smoke extract systems

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Protective structures

Shelter ventilation

Calculated air exchange and filtration for primary and backup operating modes.

Applications

Shelters in schools, offices, residential complexes and workplaces.

Supply air filtration
Redundancy for critical functions
Coordinated system operating modes

FiltrationRedundancyShelters

Shelter solutions: operating modes and examples

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Filtration and ventilation unit for a shelter

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Energy recovery from extract air

Rotary heat recovery

The rotor transfers heat from extract air to supply air, reducing the need for supplementary heating. AeroStar GreenStar is one equipment example.

Applications

Offices, shopping and leisure centres, schools and industrial buildings with high air exchange rates.

Reduced air conditioning costs
Control by rotor speed
Heating and cooling in one unit

RotorHeat recoveryControls

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AeroStar GreenStar supply and extract air handling unit with rotary heat recovery

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Swimming pool hall humidity control

Swimming pool dehumidification

The ducted system removes excess moisture and maintains the humidity setpoint. Dantherm CDP 125 is one equipment example.

Applications

Indoor private and hotel swimming pools, spas and wellness centres.

Automatic humidity control
Reduced risk of surface condensation
Concealed installation with ducted air supply

DehumidificationHumidistatDucted installation

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Dantherm CDP 125 ducted dehumidifier for an indoor swimming pool

We design, install and commission supply, extract and combined supply and extract ventilation systems for offices, restaurants, shelters and industrial facilities.

Relevant projects

Examples where the engineering approach has been tested through commissioning and subsequent operation.

FAQ

Frequently asked questions

Brief answers to common questions before design or implementation begins.

How does supply and extract ventilation differ from an open window?

Is heat recovery always necessary?

How can ventilation noise be reduced?

Can an existing ventilation system be upgraded?

Ventilation systems

VAV ventilation

Enthalpy recovery ventilation

Central ventilation

Once-through ventilation

Ducted ventilation

Commercial kitchen ventilation

Fire safety ventilation

Shelter ventilation

Rotary heat recovery

Swimming pool dehumidification

The ventilation meets the calculations. Why does the room still feel stuffy?

1000 m³/h is not a ventilation system. What really determines how it works

Why you cannot select an air handling unit on airflow alone

Heat recovery saves energy. But how much at your particular site?

Restaurant ventilation: why occupancy-based calculations are not enough

Why ventilation should respond to demand rather than run constantly at maximum output

Why a newly installed ventilation system can perform worse than the old one

A variable frequency drive on a fan: where the savings actually come from

The supply air handling unit is running. Where is the building still losing energy?

What AI will change in ventilation — and what conventional controls can do without it

Relevant projects

Frequently asked questions

Prepare data for a ventilation solution