IAQ Series:  Fresh air intake filter

 Outdoor air has various pollutants and it could badly affect IAQ and health of occupants if it is not properly filtered before entering into a building.  Outdoor air contains various pollutants especially in busy commercial zones. It contains high levels of particulate matter (PM), NOx, SOx, pollen, etc. If it is not properly filtered before […]

Use two stages filtration for Air Handling Unit (AHU) in office buildings

  Malpractices of application of air filters (2) Use metal mesh filter for Fan Coil Unit Pre-filter (metal mesh or panel filter) with primary filter (bag filter or panel filter) are commonly used on AHU at office buildings in Hong Kong. It is believed that the pre-filter could extend the working life of primary filter at […]

Use metal mesh filter for Fan Coil Unit

  Malpractices of application of air filters (1) Use metal mesh filter for Fan Coil Unit  Metal mesh air filter is commonly used as an air filtration device for fan coil unit (FCU) in Hong Kong. Is it the only choice that we can take? As shown in the graphs below, metal mesh filter has very low filtration […]

Prevent Omicron cross-infection in Hotels

Fears over an Omicron outbreak in Hong Kong grew. Recent cases from restaurant to kindergarten, and now hotels are also facing a big concern about possible transmission. There may be COVID19 cross-infection at the Yau Ma Tei hotel, which affected guests staying in four different rooms across two separate floors. HKU microbiologist Yuen Kwok-yung believes […]

The simplest way for creating a Safe Workplace on the fifth wave of COVID-19 outbreak

Apart from increasing the air changes and installation of air purifiers, there are simpler and cost-effective ways to fight against the fifth wave of COVID-19 outbreak. A Hong Kong born technology start-up, Nanofil Filtration Technology Ltd., is working hard to expand the range of sizes of their filters for window type and split-type air conditioners […]

NanoFIL showcase@Eco Expo 2021

You’re invited to NanoFIL showcase ! Get Your FREE Ticket Now! We’re excited to announce that NanoFIL will be attending Eco Expo Asia this year in October 27-30 at Hong Kong Convention and Exhibition Centre! We sincerely invite you to visit our booth (NanoFIL C22 C24). You can learn more about how NanoFIL apply nano […]

Introduction of The Standard For Air Filtration ISO 16890-1

ISO 16890-1:2016 AIR FILTERS FOR GENERAL VENTILATION Key Points Exits in parallel with EN779, until June 30, 2018 Shifts the focus on filtration performance to the classes of particulate matter size (PM) Standard filter efficiency will be determined based on particulate matter size classes PM1, PM2.5 and PM10 A much more realistic test criteria than […]