Description: The Eastern Sheet Metal Equivalent Round Duct Calculator app allows sheet metal contractors, installers, HVAC engineers, and contractors to quickly convert rectangular and flat oval duct ...

Brian Refsgaard is president of FabricAir in Lawrenceville, Georgia, the HVAC industry’s original manufacturer of fabric air dispersion duct. FabricAir is celebrating its 45th anniversary this year.

The owner of John Morris Heating and Sheet Metal in Santa Rosa routinely beats out competitors for duct work on construction projects in Sonoma County and beyond. 'In seventh grade, I was always ...

Nov. 21—Chehalis Sheet Metal, which has provided heating, cooling and solar installation throughout Southwest Washington since 1962, will give a new heating and cooling system to a family in ...