If you live in a cold climate like Minnesota, I recommend plastic. Why would someone want metal? It gives you a smooth interior, which means less air turbulence, which means more airflow. The end.

The Lindab Safe® self-sealing spiral sheet metal duct system features fittings with factory-installed, double-lipped, EPDM rubber gaskets. When the fittings are slipped into the spiral duct, the ...

Inefficient ducts force HVAC systems to work harder, raising costs. Rising heating bills, despite normal usage, may signal ...

Park Hill Baptist saved upwards of $100,000 on its duct retrofit and is also experiencing improved environmental conditions for its occupants FIGURE 1: A FabricAir system was chosen for Park Hill ...

Homeowners want the best performance from their ducts and sheet metal ducts still provide the most durable, efficient and clean air distribution system. In addition to offering superior air flow, the ...

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 ...