Dr. Iyad Al-Attar points out the fact that each filter has several efficiencies depending on the particle size distribution, thus challenging the basic assumption applied to filters and the flow rate used in testing. He also envisages a future where the definition of filtration efficiency is more nuanced and accurate.

This issue marks the beginning of a year-long intense look at the world of ducting, where we will examine regional developments and also milestones achieved elsewhere. By B Surendar.

Tawfiq Attari at DuctSox Corporation examines some facts about UL Certification for fabric duct manufacturers

The performance of dust-loaded filters is not well-established, and there is much to be discovered. Future discoveries will help to rectify our past and current activities in filter design, manufacturing and operation of air filters, says Iyad Al-Attar

Climate Control Middle East visits the newly opened Gulf Airconditioning Manufacturing Industries (GAMI) factory, which produces FCUs, AHUs and chillers. Story: Vikas Roy | With inputs from B Surendar

Like food and water, clean air should be regarded as a human right, and ensuring this is the shared responsibility of filter manufacturers, researchers, test laboratories and HVAC designers

Iyad Al-Attar explains how to strike the right balance between the best efficiency rate and the lowest pressure drop.

Regulatory vacuum and lack of awareness among end users are hampering the uptake of sub-metering technology across the region.

Agricultural production is only the first step in moving the world’s food from farm to fork, according to Nourishing the Planet, a project of the Washington DC-based Worldwatch Institute

“Anti-bacterial coatings unnecessary for fabric ducts”, say industry experts.