Clean Air in Winter: Viruses, Smog and Fine Dust

Winter smog trapped over a European city during a temperature inversion

When the air outside turns against you, the air inside decides.

Every winter, three things happen at once: respiratory viruses spread indoors, heating smog builds up over cities, and windows stay closed. Professional HEPA H14 air cleaning removes what all three leave in your room air.

99.995%
particle separation, HEPA H14 per EN 1822
PM2.5
fine dust, smoke and aerosols captured - the particles that reach the lungs
1,200 m3/h
clean-air output - sized for real rooms, not desks
Made in Germany
genuine TROTEC technology, EN 1822 tested, CE marked

The winter triple threat

Virus season

Flu, RSV and cold viruses travel on aerosols. In heated, closed rooms - classrooms, offices, waiting rooms, living rooms - one infectious person shares the air with everyone. H14 filtration removes the airborne carriers continuously.

Smog and coal heating

In many European cities, winter inversions trap traffic and heating emissions at street level. In coal-heated regions, PM2.5 levels in January can reach multiples of the WHO limit - and outdoor air seeps indoors. Airing out brings the smog in.

Closed windows

Ventilation is the standard advice - but in winter it costs heat, comfort and, in polluted cities, it imports fine dust. Mechanical H14 filtration cleans the air you already have, at any outside temperature.

Facility manager and office manager planning indoor air quality in a modern office in winter

Who feels it first

Children

Children breathe faster and their lungs are still developing. Schools and kindergartens are the densest indoor spaces they use. See our schools solution.

Older people

Heart and lung conditions make winter air a measurable health risk. Care homes and multi-generation households benefit most from continuous filtration.

People with asthma, COPD or heart conditions

For risk groups, PM2.5 peaks mean symptoms, medication and hospital visits. Clean room air is the one exposure factor you can actually control.

Everyone who shares rooms

Offices, practices, shops, gyms, restaurants: fewer sick days and visible duty of care - with machines that simply run in the background.

Professional H14 - not a gadget

A consumer purifier moves 200-300 m3/h through a lightweight filter. Our TAC units are hospital-grade machines: fully encapsulated HEPA H14 elements with 99.995% separation at the most-penetrating particle size, individually tested to EN 1822, driven by fans that deliver 1,000-1,200 m3/h of truly filtered air. The TAC V+ concept was validated by the Fraunhofer Institute for Building Physics, and high-capacity H14 room filtration is recommended by aerosol researcher Prof. Dr. Kaehler for exactly these indoor situations.

TAC ECO TOWER

The accessible entry into true H14 air cleaning - mobile, simple, powerful.

573.00 EUR instead of 1,434.00 EUR

TAC M TOWER

Slim stationary tower with constant volume control - install it once, breathe all winter.

765.00 EUR instead of 1,914.00 EUR

TAC V+ TOWER

The Fraunhofer-validated flagship with thermal filter self-decontamination.

1,080.00 EUR instead of 3,600.00 EUR

Winter is planned in autumn.

Stocks of our clearance towers are large but finite - and every season they get smaller. Tell us your rooms, we size the solution.

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