[Editor’s note: When we last visited with lead installer John and his helper Charlie (in the June 11 issue), they had learned how to measure external static pressure on a new system they had just ...

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 burners use supplementary firing to increase the heat energy of a gas turbine’s exhaust, making it possible to increase the output of a downstream heat-recovery steam generator (HRSG). Early ...

Action Air Duct, a Denver-based HVAC cleaning specialist, has announced enhanced service protocols specifically designed to address the unique air quality challenges faced by Colorado residents due to ...

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 ...