But what workers hate is not the air-conditioning itself. It’s the way that air-conditioning is distributed: through snaking overhead tunnels of metal ductwork and out the end of just a few vents ...

Air duct leakage should be a concern to both the designer and the building owner because of its potential impact on initial construction costs, energy usage, and system performance. Every duct system ...

For the past 50 years, engineers have been “designing” duct systems. Quite often, they were not actually designing the systems, but were sizing duct the duct according to some rule of thumb. The rules ...

There is a plague spreading through the automotive industry. I’m not talking about the current glut of crossovers swamping the market, the rush to make pickup trucks as bougie as possible, or even the ...

Careful planning in designing ductwork for emission control structures goes a long way toward reducing overall plant construction costs. Increasing restrictions on power plant emissions are causing ...