Air Conditioners, Self-Contained, 5 - 15 Tons, Air Cooled Air Conditioners, Self-Contained, 5 - 15 Tons, Water Cooled Air Conditioners, Self-Contained, Over 15 Tons ...
A shift may be under way ductwork fabrication and commercial and industrial HVAC construction. In some uses, phenolic pre-insulated ducts are replacing those fabricated with galvanized sheet metal.