Exterior HVAC Duct Insulation Service

Improve energy efficiency and indoor air quality, withstand harsh weather

BIG offers exterior HVAC duct insulation service for new construction, retrofit and repair projects. Insulated HVAC ductwork increases efficiency, reduces energy cost and improves indoor air quality. We can provide factory authorized installation or training to your local contractor of premium Techna-Duc® and Dual-Tech® HVAC exterior duct insulation. These reliable systems present significant advantages over conventional sheet metal ductwork and wrapped insulation systems. Benefits include:

  • 20-year limited warranty on Techna-Duc® & Dual-Tech®
  • Water-tight, triple-sealed joints–prevents growth of mold or mildew
  • Virtually eliminates indoor air quality problems
  • Twice the insulation value of traditional systems
  • Preserves the insulation and associated energy savings
  • Super lightweight and extremely durable
  • Quick, year-round installation
  • Zero maintenance required on both systems

Frequently asked questions