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Keeps radiant heat out of ducts
Cool, air conditioned air will maintain its temperature in your ducts, even when the room's temperature is high.
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Prevents heat from escaping
Insulates heating systems by reflecting its heat back into the ducts and prevents cold air from entering.
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Improves HVAC system efficiency
When used with spacer strips, EcoFoil's HVAC duct wrap has an R-Value of 8 and greatly improves HVAC system efficiency.

Works in any climate
Ecofoil
R-8 HVAC Duct Wrap Insulation - 4' x 50' (200 Sq Ft)
Prevents heat from radiating into or out of duct systems
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Installing EcoFoil ductwork insulation is easy
What you'll need:
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Scissors or sharp knife
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HVAC Tape for seams
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1–2 people
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Spacer strips (included)
Ductwork Insulation for HVAC systems Installation Instructions:

Installing around ducts
Standard installation around HVAC ducts of all shapes and sizes.
Download Instructions (PDF)Insulating vents under floor joists
If you'd like to insulate a vent under a floor joist, EcoFoil's floor joist insulation is the product of choice. Pre-cut to either 16" or 24" width for fast, easy installation.
Download Instructions (PDF)Insulating ducts under concrete
To insulate a duct that runs under concrete, EcoFoil's Under Concrete Slab insulation is the best product to choose. This versatile product easily wraps around underground ducts and reflects radiant heat back to its source.
Download Instructions (PDF)Ductwork Insulation for HVAC systems
Important: make sure to tape all seams with EcoFoil 3" Premium High Tack HVAC Tape to maintain a vapor barrier and prevent leaks that can lead to inefficiency of your metal ductwork system.