Aeroseal is a cutting-edge technology aimed at improving the energy efficiency and indoor air quality of buildings by sealing leaks in ductwork and building envelopes.
This technology was developed through research funded by the U.S. Department of Energy and the Environmental Protection Agency, tackling the widespread problem of air leakage in HVAC systems and building structures.
Aeroseal is a cutting-edge technology designed to seal leaks in HVAC ductwork and building envelopes effectively and non-invasively. The process uses an aerosol-based sealant that is injected into the airflow system under pressure.
Here’s a step-by-step explanation of how Aeroseal works:
System Assessment: The first step involves inspecting the duct system or building envelope for leaks using diagnostic tools.
Isolation: All registers, vents, or openings in the HVAC system or building envelope are temporarily sealed to ensure the sealant is applied only to the leaks.
Pressurization: The system is pressurized using specialized equipment to assess the initial level of leakage.
Aerosol Injection: A non-toxic, water-based sealant is introduced into the pressurized system. The sealant is broken into microscopic particles and carried through the airflow.
Targeting Leaks: As the air escapes through gaps and leaks, the aerosolized sealant particles accumulate at the edges of the leaks. The particles gradually build up, creating a durable seal.
Real-Time Diagnostics: Aeroseal’s equipment monitors and measures the progress of the sealing process in real-time, providing precise data on the reduction of air leakage.
Completion: The process continues until the leakage is reduced to the desired level, typically achieving a sealing rate of over 95%.
Post-Sealing Testing: After the sealing is complete, the system is tested again to verify the effectiveness of the seal. Detailed reports are generated, showcasing the reduction in leakage.
System Reassembly: Once verified, the HVAC system or building envelope is reassembled and returned to normal operation.
Duct Sealing: Aeroseal effectively addresses leaks in HVAC ductwork, enhancing system performance and longevity.
Building Envelope Sealing: Known as Aeroseal Envelope (previously AeroBarrier), this application focuses on the entire building envelope, ensuring airtightness and adherence to energy efficiency standards such as ENERGY STAR®, LEED, Passive House, or Net Zero.
Energy Efficiency: By sealing leaks, Aeroseal minimizes energy loss, resulting in lower utility bills and a smaller carbon footprint.
Improved Indoor Air Quality: Sealing ductwork helps prevent contaminants from entering the HVAC system, fostering healthier indoor environments.
Enhanced Comfort: By eliminating drafts and maintaining consistent temperatures throughout the building, overall comfort for occupants is significantly improved.
Cost-Effective: The Aeroseal process requires less labour than traditional sealing methods, making it a cost-effective solution for both residential and commercial uses.
Aeroseal’s sealant is a water-based acrylic that is non-toxic and has been tested to ensure it does not produce harmful chemicals or significant odours during application.
It is GreenGuard Gold certified meets strict environmental and safety standards, and emits less than 0.5 mg/m³ of volatile organic compounds (VOCs).
Non-Invasive: This technology removes the need for demolishing walls or manually accessing hidden ducts.
Effective for Small and Large Leaks: It can seal leaks as tiny as a fraction of a millimetre and as large as 5/8 of an inch.
Quick Process: The sealing process can typically be finished in just a few hours.
Environmentally Friendly: The sealant used is water-based, non-toxic, low in VOCs, and safe for indoor environments.
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