Meet Cler

Centrifugal air separation for commercial buildings.

Meet Cler

The world’s first filter-free
air purification technology

0%

cleaner air

0%

cleaner air

0%

cleaner air

0%

cleaner air

Zero

maintenance downtime

Zero

maintenance downtime

Zero

maintenance downtime

Zero

maintenance downtime

No

filter waste

No

filter waste

No

filter waste

No

filter waste

0%

lower operating costs

0%

lower operating costs

0%

lower operating costs

0%

lower operating costs

Calculate your savings

SAVE

Up to €24,000 per year

WARRANTY

20 year service plan

We’ll get back to you within 24 hours

Calculate your savings

SAVE

Up to €24,000 per year

WARRANTY

20 year service plan

We’ll get back to you within 24 hours

Cler-rotor

Clean air for every
environment

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Fits your current

System

Runs

24/7

Installs in

One day

cler-rotor-horisontal

Fits your current

System

Runs

24/7

Installs in

One day

cler-rotor-horisontal

Fits your current

System

Runs

24/7

Installs in

One day

"

Cler purified the indoor air at Karolinska in a way we've never seen before. We usually never see filtration above 70%. Cler removed over 95% of particles in the patient room."

JOHAN NORDENADLER

PHD KAROLINSKA INSTITUTE

How Cler works

Conventional filters trap particles until they clog.
Cler separates particles and removes them continuously.

Conventional filters trap particles until they clog. Cler separates particles and removes them continuously.

01

air enters the system

Integrates with your existing ventilation. All air passes through before reaching protected spaces.

02

automatic separation

Particles are separated based on weight and density. Performance stays consistent – no clogging, no drop-off.

03

particles drawn away

Removed particles drain continuously during operation. No filters. No manual cleaning. No maintenance stops.

04

clean air flows forward

Purified air returns to occupied spaces or equipment immediately.

Cler monitors itself,
so you don't have to

Get live air quality and performance data.
Air quality, pressure, power, and temperature tracked around the clock.

If something's off, you get an alert before it becomes a problem.

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cler-pro-unit

No maintenance. No waste.

Just clean indoor air.

Cler installs in only
one day

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INTEGRATES

Works seamlessly with your existing equipment and infrastructure.

INSTALLS

Most installations complete within one working day without affecting operations.

IMMEDIATE

The system runs directly after installation.


COMPLIANCE

Meets EU standards.

CE marked. Meets EU standards.

ALWAYS ON

A system that runs continuously, removes particles automatically, and doesn't rely on filters or maintenance.

News & Insights

News & Insights

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Partner with Cler

We're expanding our distribution network with ventilation installers, HVAC contractors, and building service companies. Get in touch if you want to learn more.

Partner with Cler

We're expanding our distribution network with ventilation installers, HVAC contractors, and building service companies. Get in touch if you want to learn more.

Frequently asked questions

Frequently asked questions

How does CLER work without filters?
icon

Instead of trapping particles in disposable filters, our system uses centrifugal force to separate them by weight and density, removing them before they enter the ventilation system.

What size particles does Cler remove?
icon

Cler captures particles down to PM0.5, finer than most HEPA filters are rated for. The separation generates forces up to 5,000 g, which is effective even against the ultrafine particles that pass straight through conventional filter material.

How is Cler different from a HEPA filter?
icon

A HEPA filter traps particles in dense material. As it fills up, airflow drops and energy use rises until someone replaces it. Cler never fills up. Particles drain away continuously during operation, so performance stays consistent from day one to year twenty.

What happens to the particles that are removed?
icon

They drain away automatically during operation into your existing drainage system. No manual collection, no scheduled cleaning, no downtime.

Can Cler be retrofitted to existing systems?
icon

Yes. Cler integrates with most existing ventilation setups without structural changes to ductwork or fire suppression systems.

Do I need to replace any parts?
icon

No. Cler is entirely filter-free and self-cleaning. There are no consumables, no recurring parts to order and no maintenance schedules to keep.

Can Cler handle greasy air from kitchens and fast food environments?
icon

Yes. Cler is built for these environments. It separates sticky particles like oil and grease before they enter your ducts, keeping ventilation clean and reducing fire risk at the same time.

How does CLER work without filters?
icon

Instead of trapping particles in disposable filters, our system uses centrifugal force to separate them by weight and density, removing them before they enter the ventilation system.

What size particles does Cler remove?
icon

Cler captures particles down to PM0.5, finer than most HEPA filters are rated for. The separation generates forces up to 5,000 g, which is effective even against the ultrafine particles that pass straight through conventional filter material.

How is Cler different from a HEPA filter?
icon

A HEPA filter traps particles in dense material. As it fills up, airflow drops and energy use rises until someone replaces it. Cler never fills up. Particles drain away continuously during operation, so performance stays consistent from day one to year twenty.

What happens to the particles that are removed?
icon

They drain away automatically during operation into your existing drainage system. No manual collection, no scheduled cleaning, no downtime.

Can Cler be retrofitted to existing systems?
icon

Yes. Cler integrates with most existing ventilation setups without structural changes to ductwork or fire suppression systems.

Do I need to replace any parts?
icon

No. Cler is entirely filter-free and self-cleaning. There are no consumables, no recurring parts to order and no maintenance schedules to keep.

Can Cler handle greasy air from kitchens and fast food environments?
icon

Yes. Cler is built for these environments. It separates sticky particles like oil and grease before they enter your ducts, keeping ventilation clean and reducing fire risk at the same time.

How does CLER work without filters?
icon

Instead of trapping particles in disposable filters, our system uses centrifugal force to separate them by weight and density, removing them before they enter the ventilation system.

What size particles does Cler remove?
icon

Cler captures particles down to PM0.5, finer than most HEPA filters are rated for. The separation generates forces up to 5,000 g, which is effective even against the ultrafine particles that pass straight through conventional filter material.

How is Cler different from a HEPA filter?
icon

A HEPA filter traps particles in dense material. As it fills up, airflow drops and energy use rises until someone replaces it. Cler never fills up. Particles drain away continuously during operation, so performance stays consistent from day one to year twenty.

What happens to the particles that are removed?
icon

They drain away automatically during operation into your existing drainage system. No manual collection, no scheduled cleaning, no downtime.

Can Cler be retrofitted to existing systems?
icon

Yes. Cler integrates with most existing ventilation setups without structural changes to ductwork or fire suppression systems.

Do I need to replace any parts?
icon

No. Cler is entirely filter-free and self-cleaning. There are no consumables, no recurring parts to order and no maintenance schedules to keep.

Can Cler handle greasy air from kitchens and fast food environments?
icon

Yes. Cler is built for these environments. It separates sticky particles like oil and grease before they enter your ducts, keeping ventilation clean and reducing fire risk at the same time.

cler-rotor

Get the world’s first filter-free air purification technology

Get the world’s first filter-free air purification technology

Cler is cleaner

Cler is cleaner

Cler is cleaner