Round spiral duct forms the backbone of the most efficient means of creating a metal duct system. From initial planning through final installation and on to efficient operation by the customer, round ...
Five global HVAC sheet metal fabrication giants have joined forces after Spiral-Helix, Inc. acquired Vicon Machinery, LLC and Plasma Automation, Inc. Spiro International SA and Spiral-Helix, Inc. have ...
DALLAS--(BUSINESS WIRE)--Firespray International has introduced the first no-weld rectangular fire resistant grease duct system for commercial kitchens available in the United States and Canada that ...
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