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How effective are Vent Cap Systems™ at sealing HVAC duct systems?

April 26, 2017cap duct effective HVAC sealing SYSTEMS vent

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How effective are Vent Cap Systems™ at sealing HVAC duct systems?

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Vent tapes only seal the face of the vent leaving a space between the wall and the vent. Vent Cap Systems seal flush to the wall surrounding the entire vent. This provides a superior seal and a more accurate measurement of duct leakage. Replacing taped vents while the fan is steady shows a steady and appreciable decrease in CFM’s (air flow) with each Vent Cap System applied. Not only are they cheaper, quieter, and more environmentally friendly, but they just work better.

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Tapes only seal the face of the vent leaving a space between the wall and the vent. Vent Cap Systems seal flush to the wall surrounding the entire vent. This provides a superior seal and a more accurate measurement of duct leakage. This video shows Vent Caps vs. Tape. Not only are they cheaper, quieter, and more environmentally friendly, but they work better.