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Rectangular Duct vs Spiral Duct: Which One Is Better for HVAC Systems?
Jul 21,2026
Rectangular Duct vs Spiral Duct: Which One Is Better for HVAC Systems? Introduction Ductwork is one of the most important components in HVAC systems. It directly affects airflow efficiency, installation cost, space utilization, and overall system performance. Among different duct types, rectangular ducts and spiral ducts are the two most commonly used solutions in commercial and industrial HVAC pr...
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