HVAC Air Duct Sealing
Stop Air Loss & Recover Energy Efficiency
Leaky ductwork can waste 20–30% of conditioned air before it ever reaches its destination. SaniTech's air duct sealing service identifies and seals leaks in your duct system, improving energy efficiency, reducing utility costs, and ensuring consistent comfort throughout your building.
Service Area
SaniTech Services is based in Hauppauge and serves Long Island, including Nassau and Suffolk counties, and New York City. Contact our team to discuss your property, system and scheduling needs.
Meet our team and review our credentials·Request a free quoteOur Process
Leak Assessment
We evaluate the duct system to locate leaks at joints, seams, and connections.
Sealing Plan
A sealing approach is selected based on duct material, location, and accessibility.
Sealant Application
Industry-approved sealants and mastics are applied to close leaks and restore duct integrity.
Verification
Sealed sections are verified to confirm leaks have been addressed.
Project Report
A summary of locations sealed and methods used is provided for your maintenance file.
Key Benefits
Frequently Asked Questions
How much energy is wasted by leaky ducts?
Industry data commonly cites 20–30% of conditioned air can be lost through leaks in untreated commercial duct systems.
Will duct sealing disrupt operations?
Most projects are scheduled around facility hours to minimize disruption. We coordinate around your operating schedule.
Can you seal both supply and return ductwork?
Yes. We address both supply and return sides of the duct system as needed.
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