Last month, we looked at building pressure essentials to help you understand how they affect HVAC systems and customer comfort. If you remember, the building acts like a duct system and HVAC system ...

Last year, I wrote about five popular ways HVAC professionals across the country correct airflow issues. These corrections are commonly referred to as air upgrades and are basic duct repairs that ...

Duct smoke detector maintenance requirements are not included in the NFPA standard that covers HVAC systems (NFPA 90A or 90B); however, the International Code Council’s 2015 Mechanical Code does state ...

My company is installing a fire alarm sprinkler supervisory panel (DACT) with one outside horn, one smoke detector and one manual pull box. We will be connecting to switches installed by the sprinkler ...

US defence technology company Edo is pressure-testing a prototype composite engine-inlet duct. The duct was manufactured using vacuum-assisted resin transfer moulding (CRTM) and a braiding process ...