the blue duct

Pal Duct Logo
Underground Preinsulated Duct System

NSF Certified for R-10
Equivalent Thermal Performance

Underground Duct Made Easy.
Proven to Last.

AQC Industries is a leading manufacturer and innovator of The BlueDuct® underground air duct systems for heating, ventilation and cooling (HVAC). The BlueDuct is the only proven, direct-burial underground duct system made from ultra-durable, advanced HDPE (high-density polyethylene). The products are engineered to protect against corrosion, mold and mildew, radon, rust and air leaks. The BlueDuct systems have been installed in thousands of buildings, for over a decade, with trouble-free, long-term performance.

The BlueDuct Features

  • Direct-burial system, requires no additioanl insulation or cement trench structures
  • Complete underground system to finished floor
  • Low-friction surface
  • Resists mildew, mold and radon
  • Self-insulated for R-10-equivalent performance
  • No PVC coating or potential for corrosion
  • Does not emit VOCs or toxic gases
  • Post installation air leak testing
  • Meets code standards for underground ductwork
  • Approved for 265°F in UL 181 High Temperature Test
  • Industry-leading warranty
  • Advanced HDPE material
  • Entire duct system with uniform construction

The BlueDuct Benefits

  • Fast and easy installation
  • Won’t corrode
  • Long-lasting, problem-free performance
  • Can contribute toward LEED® points
  • Provides energy savings
  • Readily available for fast shipment
  • Engineering and CAD support services
  • Knowledgeable distributor and representatives located throughout North America
  • Certified installers and contractor certification installation training
  • Limited Warranty

 

LEED is a registered trademark of the U.S. Green Building Council.