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Pre-insulated Duct

Installation and Application Analysis of Phenolic Pre-insulated Duct in Large Office Building Projects

Installation and Application Analysis of Phenolic Pre-insulated Duct in Large Office Building Projects

With the continuous improvement of modern buildings’ requirements for energy efficiency, environmental protection, and HVAC system performance, HVAC composite duct systems have been widely adopted in HVAC duct engineering. Phenolic pre-insulated duct, thanks to its excellent thermal insulation performance and air tightness, is increasingly used in large public building projects. This article takes an office building […]
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Why Pre-insulated Ducts Are Replacing Traditional GI Duct Systems

Why Pre-insulated Ducts Are Replacing Traditional GI Duct Systems

1. Shift Toward Integrated HVAC Duct Systems In modern HVAC systems, duct selection is shifting from traditional solutions to more efficient integrated systems. Compared with traditional galvanized iron (GI) ductwork, pre-insulated duct systems are becoming a mainstream choice in HVAC applications. These systems offer improvements in structure, energy efficiency, and installation. 2. PIR/PU Pre-insulated Duct […]
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Comprehensive Guide to HVAC Pre-Insulated Duct Tool Box Set

Comprehensive Guide to HVAC Pre-Insulated Duct Tool Box Set

In modern HVAC engineering, PIR (Polyisocyanurate), PU (Polyurethane), and phenolic pre-insulated duct panels have become mainstream choices due to their lightweight structure and excellent thermal insulation performance. However, to achieve airtight joints and a professional finish, a standardized set of fabrication tools is essential. Today, we take an in-depth look at the GFI HVAC Pre-Insulated […]
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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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