Installed the right way, flexible duct is a great ventilation product for a great many applications. Sometimes, however, hurried installations create poor-quality results - as they can for any HVACR ...

The K-Flex Gray™ elastomeric insulation duct liner has been improved. It now has an R-value of 4.2, which meets the Energy Conservation Code requirements of states that require a 4.2 R-value in ...

Handel recommends a rigid metal duct. “The smooth walls allow the air to flow, and also reduce the buildup of lint,” he says. “A flexible metal duct should be your second choice.” One other tip: Use ...