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Others claim it - we have it!
The quietest air purifier in its class.
Only 34db (A)* - normal operation.
The AirPurifier is WOLF’s space-saving air purifier for filtering out aerosols. It comes ready to use straight out of the box. The AirPurifier is designed for room sizes of up to 120 m2 per unit (quadruple air filtration rate) and uses a high-performance H14 HEPA filter (DIN EN 1822) in combination with an activated charcoal filter.
It is perfect for public buildings and businesses with an inadequate level of ventilation, such as schools, nurseries, universities, offices, hotels, restaurants, care facilities and fitness studios.
determined sound pressure level by the TÜV Süd:*
We will be happy to provide you with a free consultation, tailored to your project.
Regular ventilation is especially important in indoor rooms with several people during the current corona pandemic, in order to exchange "used" and thus virus-laden air for fresh, clean air. Air purifiers are used wherever extensive ventilation is not possible. Good air purifiers must be able to completely circulate or filter the entire room air at least four times, optimally six times per hour.
The heart of the WOLF Airpurifier is the filter system. It cleans the air of dust, fine dust, bacteria, viruses and other pollutants. The pre-filter cleans the room air from coarse particles such as dust and hair. An activated carbon filter removes volatile organic compounds (VOCs) from the air and thus also unpleasant odours. The HEPA filter (H14) cleans the room air of fine dust and also removes pollen, mites, animal allergens, mould, viruses and bacteria from the air.
Real measurement data confirm the high effectiveness. On average, the air purifier reduces the aerosol concentration of a test aerosol by 80% within 30 minutes, locally even up to 90%. The reduction of airborne viruses, with an effectiveness of 99.995%, has also been proven by a hygiene institute.
Good air purifiers must be able to completely circulate or filter the entire room air at least four times, optimally six times per hour. At lower air exchange rates, only fine dust or pollen can be removed from the room air, but aerosol concentrations cannot be sufficiently reduced at lower rates according to current findings.
Real HEPA fine filter according to filter standard DIN EN 1822: The term HEPA filter is not protected, which is why many supposed HEPA filters do not deliver what they promise. A real HEPA H14 filter separates up to 99.995% of aerosol particles and is certified according to DIN EN 1822.
Volume: A device that does not disturb is not switched off (e.g. in a classroom where an atomic sphere of concentration should prevail). In classrooms, according to VDI 6040 or DIN EN 15251, a max. A-weighted sound pressure level* of 35 dB(A) applies; this corresponds roughly to the volume in a library or a quiet bedroom.
VDI 6022 compliant design: To ensure that air cleaners and ventilation systems do not become a source of air pollution themselves over time, they must be designed and built accordingly. The use of suitable, durable, easy-to-clean materials is correspondingly critical. It is therefore essential to ensure that the air purifier is designed in accordance with VDI 6022.
|Room area*** m³||4x/h Air filtration (m³/h)||5x/h Air filtration (m³/h)||6x/h Air filtration (m³/h)|
|mm||712 x 508 x 2354|
|Air flow rate||m³/h||400-1200|
|max. power consumption||kW||0,28|
|Max. current consumption||A||1,25|
|Sound pressure level*||dB(A)||28-42|
|Electrical connection||V~ / Hz||230 / 50/60|
On duty for your customers 7 days a week:
A nationwide network of highly trained service technicians and competent office staff. Our customer service supports your company quickly, reliably and always leaves a particularly good impression with your customers.
Perform maintenance now:
Mainenance of air conditioning and ventilation units are especially important now. In order to ensure healthy and hygienic operation of your air handling unit, especially in the conditions of the current Covid-19 pandemic, we recommend a swift maintenance of your air handling units - including cleaning and filter replacement.
Watch useful technical or installation clipsabout our products and deepen your knowledge - informative, technical and straight to the point.
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At a glance:
Unrelenting deadlines - hardly any time for planning or drawing up quotations. Every minute saved is precious. This is where WOLF can help. Any time and anywhere. With the Compact Unit Configurator for air handling professionals - the ready-to-use design tool for compact units up to 20,000 m3/h and larger.
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Difficult site conditions for engineers and installers? WOLF offers just the right answer – the "Easy Lifting System". It makes handling onto or into a building much easier, as well as the installation of these functional units quicker and more accurate. It's so simple that even our largest components, such as thermal wheel or plate heat exchangers, can be easily brought into any building or onto the roof
The Easy-Lifting system also makes a major contribution to the hygiene of WOLF AHUs. Thanks to the sophisticated connection and transport technology, assembly-related leaks from heat exchangers or unit cubes can be virtually ruled out.
An industry-wide unique combination of configuration and production, allows flexibility in the configuration of the devices and at the same time an efficient production with particularly short delivery times.
There is currently no evidence to suggest that coronavirus can be spread through air handling and ventilation systems. Indeed, experts agree that good ventilation of indoor areas helps to keep the risk of infection down.
In addition to systems being technically up to date and planned and installed correctly, they must also be operated properly and serviced regularly for operation to be safe and hygienic. Where these points are carefully followed, air handling and ventilation systems pose no increased risk of infection according to the experts
As to the question of whether coronavirus can be filtered out using ventilation system filters, the first point to bear in mind is the size of viruses. Unlike bacteria, which, measuring 1-10µm are relatively large and can therefore be separated out efficiently by ePM1 fine dust filters, viruses are significantly smaller. The coronavirus measures approximately 0.16µm.
Having said that, viruses are generally attached to aerosols or dust particles. Transmission is primarily via droplets. Droplets that people produce are 0.5 to approx. 15µm in size. From other viruses it is known that a 1µm-droplet can contain a sufficient virus concentration to trigger an infection.
ePM1 filters separate out particles and aerosols, i.e. including droplets, down to a size of 1µm, depending on the separation efficiency. With higher separation efficiency, more of these droplets are separated out and thus remain in the filter medium.
When filters are replaced during servicing, personal protective equipment (PPE) should therefore always be worn. This is true irrespective of the current COVID-19 pandemic, as it is generally unknown what substances have been collected in the filter.
For the operation of air handling and ventilation systems during the COVID-19 pandemic, recommendations have been issued in a joint communication by the BTGA (Federal Industry Association for Technical Building Installations and Services), FGK (Association for Building and Indoor Air Quality) and RLT-Herstellerverband e.V. (AHU Manufacturers Association).
Fundamentally, continued good ventilation of indoor spaces is recommended, including in the current situation. Relative room air humidity should be between 30 per cent and 65 per cent. If the air humidity is too low, the sensitive mucous membranes in the upper airway are impaired, becoming more susceptible to viruses.
*Sound pressure level at 1 m distance according to DIN EN ISO 11203 corresponding to volume flows of 400 to 1,200 m³/h, determined by TÜV SÜD Industrie Service GmbH.
**calculated room volume of 180 m³ (60 m² and 3 m room height)
***Assuming a ceiling height of 2.5m