How can you reduce noise pollution from technical rooms and installations?

In many industrial environments, technical rooms and installations are present that are essential for the operation of processes. Think of rooms with ventilation units, heat pumps, compressors, or other technical equipment. These installations often produce a consistent noise level that initially seems acceptable but can eventually become disruptive to employees or users in adjoining spaces.

Noise nuisance in technical rooms and installations is not always easy to resolve, but with the right acoustic materials, much can be gained. Whether it's background noise from a ventilation system or mechanical vibrations from a heat pump: a targeted approach makes a noticeable difference.

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Where does the sound come from?

Technical installations cause noise in various ways:

Fans and HVAC systems: cooling fans in racks or air conditioning units.
Pumps and compressors: water pumps, vacuum pumps, air compressors.
Electrical equipment: transformers, switchgear, UPS systems.
Computers and servers: hard drives, cooling systems, CPU fans.
Mechanical installations: lifts, motors, gearboxes.

Especially in hard, enclosed spaces without sound-absorbing materials, sound can build up quickly and disrupt acoustic comfort

Where does the sound come from?

Technical installations cause noise in various ways:

Fans and HVAC systems: Cooling fans in racks or air conditioning units.
Pumps and compressors: Water pumps, vacuum pumps, air compressors.
Electrical equipment: Transformers, switch cabinets, UPS systems.
Computers and servers: Hard drives, cooling systems, CPU fans.
Mechanical installations: Elevators, motors, gearboxes.

Certainly, in hard, enclosed spaces without sound-absorbing materials, noise can quickly build up and disrupt acoustic comfort

Solutions for noise reduction

The most effective way to reduce noise pollution is by addressing the source. Depending on the space and the type of installation, the following measures can be applied:

1. Muting sound during the installation itself

When the installation or component is directly accessible, you can handle it yourself:

Cladding an existing motor housing or casing with absorptive material
Applying vibration isolation under pumps or units to prevent transfer through the structure
Installing soundproof casing, paying attention to the necessary air supply

2. Sound absorption inside the technical room

By covering the walls and/or ceiling of the room with sound-absorbing material, you reduce echo and prevent the sound from spreading further. Preferably choose:

Fire-safe and moisture-resistant material
High absorption capacity
Flexible and easy to process

A suitable example is EASYfoam FireSeal, a fire-resistant polyurethane foam with high absorption capacity.

3. Pipe Insulation

If pipes or air ducts transmit noise to other rooms, damping these components can be effective. There are special self-adhesive soundproofing panels available for this purpose, such as EASYmass pipe insulation.

What should you look out for?

When choosing acoustic materials for technical rooms and installations, it is important to consider the following aspects:

Fire safety - the material must comply with fire safety standards for technical environments.
Resistant to moisture, oil and chemicals - choose a product suitable for the conditions in which it is used.
Minimal impact on operation - use thin and heavy material that acoustically improves the system without hindering airflow or accessibility.
Coordination with the manufacturer or installer of the components in the room - consult the installer or supplier if in doubt to ensure proper operation and safe installation.

Need customized advice?

Every situation is different and requires a targeted approach. Do you have a specific installation or space where sound reduction is desired? Then feel free to contact us. We are happy to think along with you about a suitable solution.

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