Description: Greenheck’s air distribution products include an extensive selection of supply and exhaust grilles and registers, ceiling diffusers, air terminal units (ATUs), linear diffusers and ...

The problem of dirt collecting around ceiling diffusers has been a concern in the air distribution industry for a long time. Some people have asked about this dirt and the impact on indoor air quality ...

According to the WHO, about 7 million people die each year due to air pollution. Particulate matter (PM) triggers inflammatory responses in the human body, causing asthma and other respiratory and ...