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Rectangular Duct vs Spiral Duct: Which One Is Better for HVAC Systems?
Jul 16,2026
Rectangular Duct vs Spiral Duct: Which One Is Better for HVAC Systems? Introduction When designing an HVAC ventilation system, choosing the right type of ductwork is an important decision. The two most common duct types used in commercial and industrial HVAC projects are rectangular ducts and spiral ducts. Both have their own advantages depending on the application, installation environment, and p...
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