HVAC / HEPA / ULPA

Virus filtration performance of residential HVAC filters
As the COVID-19 pandemic has spread and made its impact worldwide, air filtration has risen to prominence as a potential solution to the spread of viral contagions, as well as …

ASHRAE’s Epidemic Task Force takes on the complicated case of HVAC filtration in a COVID-19 world
The American Society of Heating, Refrigeration and Air-Conditioning Engineers (ASHRAE) formed an Epidemic Task Force (ETF) in March 2020. The aim of the group is to provide building designers and …

Forget self-cleaning, let’s desiccate this virus
Hydrophobicity occurs on the leaves of many plants in nature and is often referred to as “The Lotus Effect,” carrying out a self-cleaning function by preventing the penetration of water …

Nanocoating technology prevents SARS-CoV-2 in HVAC systems
A new nanocoating from Curran Biotech, based in Houston, Texas, professes to effectively and cheaply stop the spread and lingering impacts of the SARS-CoV-2 virus when applied to the filter …

High-efficiency filtration goes mainstream
Air filters are rated for how effective they are at removing a range of particles – from very small particles to larger particles that are visible to the human eye. …