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Advantages of Installing Pre-Insulated Duct Panels Above Ceiling

Why Phenolic Duct Panels Are Preferred for Metro Ventilation Systems

In metro and rail transit projects, ventilation and smoke exhaust systems are critical for safety and efficiency. In enclosed underground environments, fire and smoke spread rapidly, requiring high-performance HVAC duct solutions. As a result, GFI phenolic duct panels are increasingly preferred for their superior fire resistance, airtightness, and reliability in modern metro ventilation systems. 1. […]
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Why More Projects Choose Integrated Pre-Insulated Duct Systems

How to Prevent Pre-Insulated Duct Leakage and Improve Airtightness

In HVAC systems, Pre-Insulated air duct leakage is one of the key factors that reduces system efficiency, increases energy consumption, and negatively impacts indoor air quality. This issue is particularly relevant in PIR, PU, and phenolic Pre-Insulated Duct System Although these ducts offer inherent advantages due to their integrated structure, improper design or installation can […]
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How PID Duct Support LEED and Carbon Reduction Goals

How PID Duct Support LEED and Carbon Reduction Goals

1. The Importance of HVAC Systems in LEED Certification In the LEED v4 / v4.1 rating system, the Energy and Atmosphere (EA) category carries the highest weighting, accounting for over 30% of the total certification score. Projects must meet the prerequisite Minimum Energy Performance, and can earn additional points through Optimize Energy Performance, which may […]
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