Insights
Fabric air ducts, thermal insulation and HVAC anti-condensation — explained in plain language
Fabric air ducts, thermal insulation and HVAC anti-condensation — explained in plain language
From principles to selection — one topic per article
National power demand set a fourth summer record as cooling loads neared half of peak. How can large workshops save on cooling? Fabric air ducts for even delivery plus insulated ducts that stop cold loss — how to choose ducts that save electricity.
Read more →2026 carbon targets and existing-building retrofit programs are accelerating. Why are insulated ducts the first item on a factory's checklist? The pain points of wrapped insulation and the retrofit advantages of integrally molded insulated fabric ducts.
Read more →Customers search "flexible fabric duct" and "non-metallic composite duct" - how much resistance do these ducts really have? Based on 08K508-1 and neutral measured data, compare friction factors, specific friction loss and system resistance of galvanized, non-metallic composite and fabric air ducts.
Read more →Veteran engineers stick with sheet metal; younger ones recommend the "fabric bags". An eight-point comparison between fabric air ducts (cloth ducts / bag ducts) and sheet metal ductwork, plus three selection tips.
Read more →China's prepared-food national standard and GB 14881-2025 take effect in September. Temperature and microbe control become hard requirements for food plants: even air distribution, condensation control and cleanability directly affect product quality. A look at what fabric air ducts (bag ducts) bring to food plant ventilation.
Read more →Liquid cooling is the buzzword of 2026, but heat removal is not only chip-level: whether racks get even inlet air and stay free of hot spots is still decided by room-level air distribution. A look at the air-cooling / liquid-cooling division of labour, and what fabric ducts bring to the server room.
Read more →When ceilings quietly “drip”, it is usually not a leak — it is duct condensation. Why does wrapped insulation fail at the seams, and how do integrally molded insulated ducts solve it at the source?
Read more →What are those cylindrical "fabric bags" hanging under the roofs of factories, gymnasiums and malls? How do they compare with traditional sheet metal ducts? A plain-language guide to fabric duct principles, advantages and selection.
Read more →This column is updated continuously — more articles coming soon.