Your energy bills are higher than they should be for the amount of heating and cooling your home requires in William Paterson University Of New Jersey. Certain rooms will not reach the right temperature regardless of how long the HVAC runs in William Paterson University Of New Jersey, NJ. Maybe you have even been told your HVAC system is undersized and needs to be replaced in William Paterson University Of New Jersey. Before you spend money on a larger system, consider what happens when a correctly sized system is running against a duct network that is losing 20 to 30 percent of its conditioned air through unsealed joints and connections in William Paterson University Of New Jersey, NJ. The system appears undersized because it is losing a significant portion of what it produces before that conditioned air reaches the rooms in William Paterson University Of New Jersey. A new system with the same leaky ducts loses the same percentage and produces the same disappointing results in William Paterson University Of New Jersey, NJ.
Duct leakage is the loss of conditioned air through gaps, holes, and unsealed joints in the duct system in William Paterson University Of New Jersey. It happens at every unsealed duct joint, at every connection between duct sections, at branch takeoffs and splitter boxes, and at the connections where duct registers meet the boot at the ceiling or floor in William Paterson University Of New Jersey, NJ. In most residential duct systems, these joints were installed with mechanical connections and no sealant, or with standard duct tape that dries, cracks, and loses adhesion within a few seasons of thermal cycling in William Paterson University Of New Jersey. The Department of Energy estimates that typical residential duct systems lose 20 to 30 percent of conditioned air through leakage in William Paterson University Of New Jersey, NJ. For a home spending $200 per month on heating and cooling, that is $40 to $60 per month delivered to the attic or crawl space rather than to the living spaces in William Paterson University Of New Jersey.
ISA Air Duct seals duct systems throughout William Paterson University Of New Jersey, NJ in William Paterson University Of New Jersey. Pressure testing before sealing to quantify the leakage. Systematic identification of every leak point in William Paterson University Of New Jersey, NJ. Correct sealant materials for every joint type in William Paterson University Of New Jersey. Pressure testing after sealing to confirm the improvement with measured results in William Paterson University Of New Jersey, NJ. We pick up. We show up. We seal it correctly in William Paterson University Of New Jersey.
Duct sealing is the application of correct sealant materials to every unsealed joint, connection, and seam in the duct system to eliminate conditioned air loss in William Paterson University Of New Jersey. It is a different service from ductwork repair in William Paterson University Of New Jersey, NJ. Ductwork repair addresses physical structural damage to the duct system. Duct sealing addresses air leakage through the joints and connections of a structurally sound duct system in William Paterson University Of New Jersey. A duct system can be structurally intact with no disconnections, no torn flexible duct, and no collapsed sections, and still lose 20 to 30 percent of conditioned air through unsealed joints in William Paterson University Of New Jersey, NJ. That is the problem duct sealing addresses in William Paterson University Of New Jersey.
Duct sealing is the process of identifying and sealing every air leakage point in the duct system in William Paterson University Of New Jersey. It addresses the conditioned air loss that occurs through gaps and unsealed connections throughout the duct network in William Paterson University Of New Jersey, NJ. The result is a duct system that delivers more of the conditioned air the HVAC produces to the rooms it is intended to reach, reducing energy consumption, improving comfort, and in the case of return duct leakage, improving indoor air quality in William Paterson University Of New Jersey.
Ductwork repair addresses physical structural faults including disconnected sections, torn flexible duct, and collapsed runs in William Paterson University Of New Jersey. Duct sealing addresses air leakage through the joints and connections of a structurally sound system in William Paterson University Of New Jersey, NJ. A system may need repair for structural faults, sealing for joint leakage, or both in William Paterson University Of New Jersey. ISA Air Duct assesses the specific condition of the system and recommends the correct service for what is actually found in William Paterson University Of New Jersey, NJ.
ISA Air Duct's duct sealing service covers pre-sealing pressure testing to quantify the leakage, systematic identification of every leak point through the accessible duct system, application of correct sealant materials to every identified leak point, and post-sealing pressure testing to confirm and quantify the improvement in William Paterson University Of New Jersey, NJ. Complete sealing of every accessible joint and connection in the system in William Paterson University Of New Jersey.
Every point where two duct sections connect is a potential leakage point in William Paterson University Of New Jersey, NJ. In sheet metal duct systems, the longitudinal seams in individual duct sections and the transverse joints where sections connect are leakage sources if not sealed with mastic or appropriate tape in William Paterson University Of New Jersey. In most residential installations, these joints were mechanically connected without sealant in William Paterson University Of New Jersey, NJ. The gaps at the joint edges allow conditioned air to escape into the surrounding space with every HVAC cycle in William Paterson University Of New Jersey.
Branch takeoffs are the fittings that split conditioned air from the main trunk line to the individual branch duct runs in William Paterson University Of New Jersey. They are connection points with multiple edges and angles that are particularly prone to leakage if not correctly sealed in William Paterson University Of New Jersey, NJ. Splitter boxes in zoned systems have multiple connection points that represent significant potential leakage area in William Paterson University Of New Jersey. ISA Air Duct pays specific attention to branch takeoffs and splitter boxes during leak identification because they represent some of the largest individual leakage points in typical residential systems in William Paterson University Of New Jersey, NJ.
The register boot is the fitting that connects the branch duct run to the floor, ceiling, or wall opening where the register grille mounts in William Paterson University Of New Jersey, NJ. The connection between the flexible duct and the boot collar and the connection between the boot and the surrounding framing are both common leakage points in William Paterson University Of New Jersey. Conditioned air escaping at the boot level leaks into the wall or floor cavity rather than through the register into the room in William Paterson University Of New Jersey, NJ.
Flexible duct connects to sheet metal fittings, boot collars, and plenum connections using a mechanical connection where the flexible duct liner and outer jacket are secured to the fitting with zip ties or straps in William Paterson University Of New Jersey. Without mastic sealant applied to the connection before securing, the connection leaks at the gaps between the duct liner and the fitting surface in William Paterson University Of New Jersey, NJ. Mastic sealing of flexible duct collar connections is a standard component of ISA Air Duct's sealing service in William Paterson University Of New Jersey.
Systems that were initially sealed with standard duct tape develop leakage as the tape dries, cracks, and loses adhesion in William Paterson University Of New Jersey, NJ. Standard duct tape is not rated for the temperature cycling that duct systems experience during normal operation in William Paterson University Of New Jersey. Within a few seasons, standard duct tape on duct joints fails and the underlying joint gap opens to leakage again in William Paterson University Of New Jersey, NJ. Mastic sealant and UL 181-rated foil tape are the materials that maintain their sealing effectiveness through the thermal cycling of long-term HVAC operation in William Paterson University Of New Jersey.
The Department of Energy estimates that typical residential duct systems lose 20 to 30 percent of conditioned air through leaks, holes, and poorly connected ducts before that air reaches the living spaces in William Paterson University Of New Jersey. This estimate is based on testing of real residential duct systems across a range of ages and construction types in William Paterson University Of New Jersey, NJ. In systems with particularly poor initial installation or significant seal failure, the loss can be higher in William Paterson University Of New Jersey.
Supply duct leakage in the spaces between branch duct connections and the registers means the rooms furthest from the air handler receive less conditioned air than they were designed to receive in William Paterson University Of New Jersey. The conditioned air that leaks out of the supply duct before reaching the register is air that does not reach the room in William Paterson University Of New Jersey, NJ. Rooms at the end of long duct runs with multiple leak points along the way receive the cumulative effect of all those leaks in William Paterson University Of New Jersey. The room that is always too hot in summer and too cold in winter is often a room at the end of a leaky supply run in William Paterson University Of New Jersey, NJ.
Return duct leakage draws air from the surrounding space into the return airstream in William Paterson University Of New Jersey, NJ. In an attic, that means drawing hot, dusty attic air into the air handler in summer in William Paterson University Of New Jersey. In a crawl space, that means drawing crawl space air including moisture, mold spores, and whatever else is in the crawl space environment into the system and distributing it throughout the home in William Paterson University Of New Jersey, NJ. Return duct sealing eliminates this pathway and keeps the circulated air to what is drawn from the living spaces in William Paterson University Of New Jersey.
An HVAC system compensating for duct leakage losses runs longer cycles, works against the pressure imbalance that leakage creates in the duct system, and conditions more total air volume than the living space requires in William Paterson University Of New Jersey. The cumulative effect is accelerated component wear across the blower motor and other system components in William Paterson University Of New Jersey, NJ. Sealing the duct system reduces the load the HVAC operates under and extends the equipment service life in William Paterson University Of New Jersey.
ISA Air Duct performs duct system pressure testing before sealing to quantify the total leakage in the system in William Paterson University Of New Jersey, NJ. A calibrated fan is connected to the duct system and the system is pressurized to a standard test pressure in William Paterson University Of New Jersey. The airflow required to maintain that pressure is measured in William Paterson University Of New Jersey, NJ. The measured airflow represents the total leakage rate of the system and provides the baseline for comparing before and after sealing performance in William Paterson University Of New Jersey.
With the system pressurized, ISA Air Duct technicians systematically locate every specific leak point in the accessible duct system in William Paterson University Of New Jersey. A pressurized leaking duct system produces audible air movement and detectable airflow at leak points that can be located systematically in William Paterson University Of New Jersey, NJ. Every identified leak point is marked for sealing in William Paterson University Of New Jersey.
ISA Air Duct selects the correct sealant for each specific leak point based on the duct type, the joint configuration, and the access conditions in William Paterson University Of New Jersey, NJ. Mastic duct sealant for most duct joints and connections in William Paterson University Of New Jersey. UL 181-rated foil tape for specific sheet metal seam applications in William Paterson University Of New Jersey, NJ. The correct material for the specific application in William Paterson University Of New Jersey.
ISA Air Duct systematically seals every identified leak point in the accessible duct system in William Paterson University Of New Jersey. Mastic applied at the correct thickness to cover the full joint gap and bond to the duct surfaces on both sides in William Paterson University Of New Jersey, NJ. UL 181-rated tape applied with adequate overlap and firm pressure for full adhesion in William Paterson University Of New Jersey. Every leak point addressed before the post-sealing test in William Paterson University Of New Jersey, NJ.
After sealing is complete, ISA Air Duct repeats the pressure test to measure the post-sealing leakage rate in William Paterson University Of New Jersey, NJ. The before and after measurements quantify the leakage reduction achieved by the sealing in William Paterson University Of New Jersey. The post-sealing test confirms the sealing produced meaningful improvement and provides documented evidence of the result in William Paterson University Of New Jersey, NJ.
Mastic is a water-based sealant specifically formulated for duct system applications in William Paterson University Of New Jersey, NJ. It remains flexible after curing, which means it maintains its seal through the expansion and contraction that duct systems experience during thermal cycling in William Paterson University Of New Jersey. It bonds well to sheet metal, flexible duct liners, and fibrous duct board in William Paterson University Of New Jersey, NJ. It does not dry out, crack, or lose adhesion from temperature cycling the way standard duct tape does in William Paterson University Of New Jersey. Mastic is the correct sealant for most duct joint applications and the material ISA Air Duct uses on the majority of duct sealing work in William Paterson University Of New Jersey, NJ.
UL 181-rated foil tape is a pressure-sensitive tape specifically tested and rated for HVAC duct applications in William Paterson University Of New Jersey. Unlike standard duct tape, UL 181 foil tape maintains its adhesion through the temperature cycling of duct system operation in William Paterson University Of New Jersey, NJ. It is appropriate for specific sheet metal seam applications where a clean, smooth seal is needed in William Paterson University Of New Jersey. ISA Air Duct uses UL 181-rated foil tape where its specific properties make it the correct choice for the application in William Paterson University Of New Jersey, NJ.
Standard silver duct tape is not rated for duct system applications in William Paterson University Of New Jersey, NJ. Its rubber-based adhesive dries and loses adhesion from the temperature cycling that duct systems experience during normal operation in William Paterson University Of New Jersey. Standard duct tape on duct joints fails within a few heating and cooling seasons in William Paterson University Of New Jersey, NJ. Joints sealed with standard duct tape appear sealed when the tape is first applied and are open to leakage again within a few years in William Paterson University Of New Jersey. ISA Air Duct never uses standard duct tape for duct sealing work in William Paterson University Of New Jersey, NJ.
Aeroseal is a duct sealing technology that seals leaks from the inside of the duct system in William Paterson University Of New Jersey. Aerosolized sealant particles are introduced into the pressurized duct system and travel with the airstream to leak points where they accumulate and seal the gap in William Paterson University Of New Jersey, NJ. Aeroseal is particularly effective for sealing leaks in inaccessible duct sections that cannot be reached for manual sealant application in William Paterson University Of New Jersey. ISA Air Duct provides information on Aeroseal duct sealing for systems where inaccessible duct sections represent significant leakage that manual sealing cannot address in William Paterson University Of New Jersey, NJ.
ISA Air Duct performs pressure testing before and after every duct sealing service in William Paterson University Of New Jersey, NJ. The before and after measurements document the leakage reduction achieved by the sealing in William Paterson University Of New Jersey. Verified improvement, not assumed improvement in William Paterson University Of New Jersey, NJ.
Mastic for most duct joint applications in William Paterson University Of New Jersey. UL 181-rated foil tape for specific sheet metal seam applications in William Paterson University Of New Jersey, NJ. Never standard duct tape in William Paterson University Of New Jersey. The correct material for every specific application in William Paterson University Of New Jersey, NJ.
ISA Air Duct seals every identified leak point in the accessible duct system in William Paterson University Of New Jersey, NJ. Not a representative sample. Not the most obvious points only in William Paterson University Of New Jersey. Every identified leak point in William Paterson University Of New Jersey, NJ.
Every ISA Air Duct technician performing duct sealing in William Paterson University Of New Jersey is licensed and insured in William Paterson University Of New Jersey, NJ.
Every ISA Air Duct duct sealing service is guaranteed in William Paterson University Of New Jersey, NJ. If the sealing does not produce the expected improvement within the guarantee period, we return and address it at no additional charge in William Paterson University Of New Jersey.
All pricing confirmed upfront before work begins in William Paterson University Of New Jersey. No surprise charges in William Paterson University Of New Jersey, NJ.
A duct sealing service that reduces leakage by 15 to 20 percentage points on a system that was losing 25 percent of conditioned air returns that proportional energy cost reduction on every subsequent energy bill in William Paterson University Of New Jersey, NJ. For a home spending $200 per month on heating and cooling, a 15 percent reduction in duct leakage saves approximately $30 per month in William Paterson University Of New Jersey. A sealing service that costs $500 to $1,000 pays for itself in energy savings within 18 to 36 months in most cases in William Paterson University Of New Jersey, NJ. Every month after payback, the savings are net return on the sealing investment in William Paterson University Of New Jersey.
We pick up. We show up. We seal it correctly in William Paterson University Of New Jersey.
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Duct leakage is paying for conditioned air that heats and cools your attic and crawl space instead of your living spaces in William Paterson University Of New Jersey. ISA Air Duct quantifies the leakage with pressure testing, seals every accessible leak point with correct materials, confirms the improvement with post-sealing testing, and guarantees every service in William Paterson University Of New Jersey, NJ. We pick up. We show up. We seal it correctly in William Paterson University Of New Jersey. Call now in William Paterson University Of New Jersey, NJ.
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