Thanks to its excellent products and quality services, UNT Duct is one of the leading air conditioning duct insulation manufacturers and suppliers in China. Welcome to buy the high quality and customized products from our factory. We will offer you the best service and fast delivery.

air conditioning duct insulation

Air conditioning duct insulation systems are specially designed for HVAC systems. By wrapping or integrating insulation layers, they reduce heat transfer, lower energy consumption and improve indoor comfort. Using advanced materials such as PIR , PU , Phenolic these systems ensure stable air temperature even in extreme environments, making them suitable for both new construction and renovation projects. Their core objective is to optimize system efficiency by minimizing energy loss by up to 10%–30%, while also reducing noise transmission and condensation.

Main Product Materials & Features

	Polyisocyanate (PIR) Duct	Polyurethane (PU) Duct	Phenolic Duct	XPS Duct
Cost	Higher	High	Cheap	Cheap
Fire Resistant BS476 Part 6&7	BS476 Class 0	BS476 Class 1	Class 0	BS476 Class 2
Thermal Conductivity	0.020 W/M.K	0.020 W/M.K	0.025W/M.K	0.030w/m.K
Apparent Density	50kg/m³	45kg/m³	50kg/m³	45kg/m³
Whole weight	1.3+/- 0.1 kg/m²	1.25+/- 0.1 kg/m²	1.3+/-0.1 kg/m²	1.25+/- 0.1 kg/m²
Water absorption	0.36%	0.36%	1.90%	2.0%
Working Temperature	-60℃~ +90℃	-60℃~ +80℃	-260℃~ +150℃	-50℃～+75℃
Flexibility	good	good	bad	good
Application in Clean Room	yes	yes	not suitable	not suitable
Environment Protection Property	Meets the requirement for environment protection	Meets the requirement for environment protection	Meets the requirement for environment protection	Meets basic requirement for environment protection
Use Range	indoors & outdoors	indoors & outdoors	indoors & outdoors	Indoors only
Aging resistance	better	better	good	bad
Appearance	beautiful	beautiful	beautiful	beautiful
Appearance color	aluminum color	aluminum color	aluminum color	aluminum color
Fabrication & Maintainence	simple	simple	simple	simple

By combining these benefits, the PIR duct insulation is a great choice for modern HVAC systems. It offers better performance, saves energy, and is cost-effective.