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In winter, outdoor air becomes very dry once it is heated indoors, and mechanical ventilation often reduces indoor relative humidity to 20–30 RH or even lower. This article explains why this happens, how different heat exchanger types (plate, condensation rotor, enthalpy, sorption) affect indoor moisture balance, and what you can do in practice. We cover smart ventilation control during cold nights, protection against excessive drying, when a humidifier is really needed, and simple ways to increase or reduce humidity naturally. You will also find an FAQ with common real-life situations and climate-specific recommendations for different countries.
Cold outdoor air and warm, humid extract air can create condensation that may freeze inside the heat exchanger. Learn what “defrost” does, why airflow balance matters, and how to reduce frequent frost cycles.
Not all ventilation unit filters are the same. Some ensure clean, healthy indoor air, while cheaper or uncertified filters can pose risks to both the ventilation system and your health. This guide explains what to look for when choosing filters — from ISO 16890 testing and hygiene standards to material safety and real filtration performance — so you can be confident you’re using a safe, certified and reliable filter.
Popraw jakość powietrza w pomieszczeniach dzięki naszym analogowym filtrom HEINEMANN najwyższej klasy, zaprojektowanym z myślą o idealnej kompatybilności z urządzeniami HEINEMANN. Filtry te gwarantują optymalne działanie i zapewniają niezawodną ochronę przed zanieczyszczeniami.
Nasze filtry druciane, kieszeniowe i panelowe HEINEMANN rygorystycznie spełniają normy ISO 16890, z wyjątkową skutecznością filtracji potwierdzoną testami laboratoryjnymi FIATEC w Niemczech. Nasz innowacyjny 3-warstwowy materiał filtracyjny, wykonany z wysokiej jakości materiałów pochodzących z UE, gwarantuje optymalne działanie filtrów.
Wybór z szerokiej gamy filtrów do rekuperatorów HEINEMANN Valloplus, Multi:
- G4: większe cząstki stałe, kurz, pył.
- M5: średniej wielkości cząstki stałe, kurz, pył, pyłki, zarodniki pleśni. (PM10).
- F7/F8: drobne cząstki stałe, kurz, pyłki, zarodniki pleśni, produkty spalania, cząstki smogu, pył owadobójczy. (PM2.5-PM1).
- F9: drobne cząstki stałe, kurz, pyłki, zarodniki pleśni, produkty spalania, cząstki smogu, pył owadobójczy, bakterie. (PM1).
- F7/AC:drobne cząstki, kurz, pyłki, zarodniki pleśni, produkty spalania, cząstki lotne, gazy NOx, O3.
Korzyści:
- Niskie ceny.
- Sprawdzona wydajność.
- Wydłużona żywotność filtra.
Obejmuje 2-letnią gwarancję na okres przechowywania. Zaufaj doskonałości naszych filtrów produkowanych w UE.
There are 9 products.
Ex VAT: £5.38
| Manufacturer of MVHR | Sandler |
| Filter dimensions | 1000x1000x15 |
| Class EN779 | G4 |
| Class ISO16890 | Coarse 65% |
| Protection level | Basic: larger solid particles, dust, fluff. |
| Quantity of filters | 1 |
| Advantages |
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| Remarks |
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Ex VAT: £7.18
| Manufacturer of MVHR | Sandler |
| Filter dimensions | 1000x1000x20 |
| Class EN779 | G4 |
| Class ISO16890 | Coarse 65% |
| Protection level | Basic: larger solid particles, dust, fluff. |
| Quantity of filters | 1 |
| Advantages |
|
| Remarks |
|
Ex VAT: £9.84
| Manufacturer of MVHR | Heinemann |
| Manufacturer | CleanFilter |
| Air handling unit |
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| Filter dimensions |
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| Class EN779 | F7+2xG4 |
| Class ISO16890 | ePM1 70% |
| Protection level | High: fine particles, dust, pollen, mold spores, combustion particles, smog particles, insecticide dust. |
| Quantity of filters | 3 |
| Advantages |
|
| Manufacturer product number | 3260200 |
Ex VAT: £9.72
| Manufacturer of MVHR | Heinemann |
| Manufacturer | CleanFilter |
| Air handling unit |
|
| Filter dimensions |
|
| Class EN779 | F7+2xG4 |
| Class ISO16890 | ePM1 70% |
| Protection level | High: fine particles, dust, pollen, mold spores, combustion particles, smog particles, insecticide dust. |
| Quantity of filters | 3 |
| Advantages |
|
| Manufacturer product number | 3295000 |
Ex VAT: £10.19
| Manufacturer of MVHR | Heinemann |
| Manufacturer | CleanFilter |
| Air handling unit | Heinemann ValloPlus 270 |
| Filter dimensions |
|
| Class EN779 | F7+2xG4 |
| Class ISO16890 | ePM1 70% |
| Protection level | High: fine particles, dust, pollen, mold spores, combustion particles, smog particles, insecticide dust. |
| Quantity of filters | 3 |
| Advantages |
|
| Manufacturer product number | 3356900 |
Ex VAT: £11.63
| Manufacturer of MVHR | Heinemann |
| Manufacturer | CleanFilter |
| Air handling unit |
|
| Filter dimensions |
|
| Class EN779 | F7+2xG4 |
| Class ISO16890 | ePM1 70% |
| Protection level | High: fine particles, dust, pollen, mold spores, combustion particles, smog particles, insecticide dust. |
| Quantity of filters | 3 |
| Advantages |
|
Ex VAT: £15.02
| Manufacturer of MVHR | VALLOX |
| Manufacturer | CleanFilter |
| Air handling unit |
|
| Filter dimensions |
|
| Class EN779 | F7+2xG4 |
| Class ISO16890 | ePM1 70% |
| Protection level | High: fine particles, dust, pollen, mold spores, combustion particles, smog particles, insecticide dust. |
| Quantity of filters | 3 |
| Advantages |
|
| Manufacturer product number | 3293300 |
Ex VAT: £14.88
| Manufacturer of MVHR | VALLOX |
| Manufacturer | CleanFilter |
| Air handling unit |
|
| Filter dimensions |
|
| Class EN779 | F7+2xG4 |
| Class ISO16890 | ePM1 70% |
| Protection level | High: fine particles, dust, pollen, mold spores, combustion particles, smog particles, insecticide dust. |
| Quantity of filters | 3 |
| Advantages |
|
| Manufacturer product number | 3357000 |
Ex VAT: £14.17
| Manufacturer of MVHR | VALLOX |
| Manufacturer | CleanFilter |
| Air handling unit |
|
| Filter dimensions |
|
| Class EN779 | F7+2xG4 |
| Class ISO16890 | ePM1 70% |
| Protection level | High: fine particles, dust, pollen, mold spores, combustion particles, smog particles, insecticide dust. |
| Quantity of filters | 3 |
| Advantages |
|
| Manufacturer product number | 3220200 |
