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Pressure Tested Before & After  ·  Mastic Sealant  ·  Every Leak Point Found  ·  Guaranteed
Duct Sealing · Somonauk, IL

Duct Sealing in Somonauk, IL —
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Pressure testing before sealing quantifies total leakage. Every leak point located and sealed with correct materials. Post-sealing pressure test documents the improvement. Every service guaranteed.

Pressure Tested Before & After
Mastic Sealant
Every Leak Point Found
Guaranteed
Professional Duct Sealing

Professional Duct Sealing in Somonauk, IL

Your energy bills are higher than they should be for the amount of heating and cooling your home requires in Somonauk. Certain rooms will not reach the right temperature regardless of how long the HVAC runs in Somonauk, IL. You have had the equipment checked and it is working correctly in Somonauk. If the equipment is fine but the home is not comfortable and the bills are high, the problem is almost certainly in the distribution system in Somonauk, IL. Specifically, in duct leaks that are allowing conditioned air to escape into unconditioned attic or crawl space before it reaches the rooms you are paying to heat and cool in Somonauk.

Duct leakage happens at every unsealed joint between duct sections, at every branch takeoff from the trunk line, at every register boot connection in the walls and ceilings, and at the connections where the duct system meets the air handler in Somonauk, IL. The Department of Energy estimates that typical residential duct systems lose 20 to 30 percent of conditioned air through leakage in Somonauk. For a home spending $200 per month on heating and cooling, that is $40 to $60 per month escaping through duct leaks to the attic or crawl space in Somonauk, IL.

MBM Air Duct Cleaning finds and seals duct leaks throughout Somonauk, IL in Somonauk. Pressure testing before sealing to quantify the total leakage in Somonauk, IL. Systematic identification of every specific leak point through the accessible system in Somonauk. Correct sealant materials applied to every leak point in Somonauk, IL. Post-sealing pressure testing to document the improvement with measured numbers in Somonauk. And a guarantee on every sealing service in Somonauk, IL. Call now for same-day scheduling in Somonauk.

Why Correct Sealant Materials Last While Duct Tape Fails in Somonauk, IL

Standard duct tape uses a rubber-based adhesive that performs at room temperature but dries and loses adhesion when repeatedly exposed to the temperature extremes that duct systems experience during HVAC operation in Somonauk. A supply duct carrying cold conditioned air through a 130-degree summer attic cycles through extreme temperatures with every cooling cycle in Somonauk, IL. Standard duct tape adhesive is not formulated for this cycling and fails within a few seasons in Somonauk. Mastic sealant remains flexible after curing and maintains its seal through years of thermal cycling in Somonauk, IL. UL 181-rated foil tape maintains adhesion for 20 years or more in normal duct system conditions in Somonauk.

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Where Leaks Occur

Where Duct Leaks Occur and Why They Develop in Somonauk, IL

At Every Unsealed Duct Joint Throughout the System in Somonauk

Every connection between duct sections is a potential leak point in Somonauk, IL. In most residential installations, these joints were mechanically fastened without sealant during installation in Somonauk. Over years of thermal cycling that expands and contracts the ductwork with every HVAC cycle, even joints that were initially sealed with standard duct tape have failed as the tape dried and lost adhesion in Somonauk, IL.

At Branch Takeoffs From the Main Trunk Line in Somonauk, IL

Branch takeoffs split conditioned air from the main trunk line into the individual branch runs serving each room in Somonauk. They have multiple edges and angles that create significant potential leak area if not correctly sealed in Somonauk, IL. Branch takeoff leaks are among the largest individual leak points in typical residential duct systems in Somonauk.

At Register Boot Connections in Walls and Ceilings in Somonauk

The register boot connects the branch duct run to the wall, ceiling, or floor opening where the supply register mounts in Somonauk, IL. The connection between the flexible duct and the boot collar and the connection between the boot and the surrounding framing are both common significant leak points in Somonauk. Conditioned air escaping at the boot level leaks into the wall or ceiling cavity rather than through the register into the room in Somonauk, IL.

Why Original Installation Sealant Fails Over Time in Somonauk, IL

Systems sealed with standard duct tape develop leakage as the tape dries, cracks, and loses adhesion from temperature cycling in Somonauk. Standard duct tape on duct joints typically fails within three to five seasons of thermal cycling in Somonauk, IL. Joints that were sealed with standard tape appear sealed when first applied and are open to leakage again within a few years in Somonauk.

What Leakage Costs You

What Duct Leakage Costs You in Somonauk, IL

20–30%
DOE: Conditioned Air Lost
$40–$60
Per Month Wasted at $200/mo
$600+
Annual Waste at $200/mo Budget

How Leaking Ducts Create Comfort Problems Room by Room in Somonauk, IL

Supply duct leakage between the trunk line and the registers means rooms furthest from the air handler receive less conditioned air than they were designed to receive in Somonauk. The conditioned air that leaks out before reaching the register does not reach the room in Somonauk, IL. Rooms at the end of long duct runs with multiple leak points along the way receive the cumulative effect of all those leaks in Somonauk. The room that is always too hot in summer and too cold in winter is often at the end of a duct run with multiple unsealed joints in Somonauk, IL.

What Return Duct Leaks Do to Your Indoor Air Quality in Somonauk, IL

Return duct leaks draw air from the surrounding unconditioned space into the return airstream in Somonauk. A return duct leak in an attic draws hot, dusty attic air into the air handler in summer in Somonauk, IL. A return duct leak in a crawl space draws crawl space air including moisture, mold spores, and soil particulate into the system in Somonauk. This unconditioned air bypasses the filter and is distributed throughout the home in Somonauk, IL.

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Our Sealing Process

MBM's Duct Sealing Process in Somonauk, IL

1

Pressure Testing to Establish Total Leakage in Somonauk

MBM Air Duct Cleaning performs a duct pressure test before any sealing begins in Somonauk, IL. A calibrated fan is connected to the duct system and pressurized to a standard test pressure in Somonauk. The measured airflow represents the total leakage rate and provides the baseline for comparing with the post-sealing result in Somonauk, IL.

2

Systematic Leak Location Through the Accessible System in Somonauk, IL

With the system pressurized, MBM technicians work through the accessible duct system to locate every specific leak point in Somonauk. Every branch takeoff. Every duct joint. Every register boot connection. Every plenum seam and air handler connection in Somonauk, IL. Every identified leak point is marked for sealing in Somonauk.

3

Correct Sealant Selected for Each Leak Point in Somonauk

Mastic sealant for most duct joint and connection applications in Somonauk, IL. UL 181-rated foil tape for specific sheet metal seam applications in Somonauk. The correct material for the specific application in Somonauk, IL.

4

Every Leak Point Sealed Completely in Somonauk, IL

MBM systematically seals every identified leak point in the accessible duct system in Somonauk. Mastic applied at the correct thickness to cover the full joint gap and bond to the duct surfaces on both sides in Somonauk, IL. Every identified leak point addressed before the post-sealing pressure test in Somonauk.

5

Post-Sealing Pressure Test to Confirm the Result in Somonauk

After all identified leak points are sealed, MBM repeats the pressure test to measure the post-sealing leakage rate in Somonauk, IL. The before and after measurements quantify the leakage reduction achieved by the sealing in Somonauk. Documented evidence of the result provided to the homeowner in Somonauk, IL.

Sealant Materials

What MBM Uses to Seal Duct Leaks in Somonauk, IL

Mastic Sealant — The Professional Standard in Somonauk

Mastic is a water-based sealant specifically formulated for duct system applications in Somonauk, IL. It remains flexible after curing, maintaining its seal through the thermal cycling that duct systems experience in Somonauk. It does not dry out, crack, or lose adhesion from temperature cycling the way standard duct tape does in Somonauk, IL.

UL 181-Rated Foil Tape for Specific Applications in Somonauk, IL

UL 181-rated foil tape is tested and rated specifically for HVAC duct applications in Somonauk. Unlike standard duct tape, it maintains its adhesion through the temperature cycling of duct system operation in Somonauk, IL. Appropriate for specific sheet metal seam applications in Somonauk.

Standard Duct Tape Is Never Used in Somonauk

Standard silver duct tape is not rated for duct system applications in Somonauk, IL. Its rubber-based adhesive dries and loses adhesion from temperature cycling in Somonauk. MBM Air Duct Cleaning never uses standard duct tape for duct sealing work in Somonauk, IL.

Why MBM

Why Choose MBM Air Duct Cleaning for Duct Sealing in Somonauk, IL

Pressure Tested Before and After — Documented Improvement in Somonauk

MBM performs pressure testing before and after every duct sealing service in Somonauk, IL. The before and after measurements document the leakage reduction achieved in Somonauk. Documented improvement, not assumed improvement in Somonauk, IL.

Every Accessible Leak Point Sealed in Somonauk, IL

MBM seals every identified leak point in the accessible duct system in Somonauk. Not a representative sample. Not the most obvious points only in Somonauk, IL. Every identified leak point in Somonauk.

Correct Materials That Maintain Effectiveness Long Term in Somonauk

Mastic sealant and UL 181-rated foil tape that maintain their effectiveness through the thermal cycling of long-term HVAC operation in Somonauk, IL. Never standard duct tape in Somonauk.

Every Sealing Service Guaranteed in Somonauk, IL

Every MBM Air Duct Cleaning duct sealing service is guaranteed in Somonauk. If the sealing does not produce the expected improvement within the guarantee period, we return and address it at no additional charge in Somonauk, IL.

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Pricing

Duct Sealing Cost in Somonauk, IL

All pricing confirmed upfront before work begins in Somonauk. No surprises in Somonauk, IL.

Small system — up to 10 vents in Somonauk$300 to $600
Standard residential system — 10 to 20 vents in Somonauk, IL$500 to $1,000
Large residential system — 20 or more vents in Somonauk$800 to $1,500+
Aeroseal treatment for inaccessible leaks in Somonauk, IL$1,500 to $3,000+

A sealing service that reduces leakage by 15 to 20 percentage points returns that proportional energy cost reduction on every subsequent energy bill in Somonauk, IL. For a home spending $200 per month on heating and cooling, a 15 percent leakage reduction saves approximately $30 per month in Somonauk. A sealing service costing $500 to $1,000 pays for itself in energy savings within 18 to 36 months in most cases in Somonauk, IL. Every month after payback is net return on the investment in Somonauk.

Pressure tested before and after. Every leak found. Correct materials. Guaranteed. MBM Air Duct Cleaning in Somonauk, IL.

Call now for same-day scheduling in Somonauk.

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Service Area

Serving Somonauk, IL and Surrounding Areas

Downtown Somonauk

Homes, condos, apartments in Somonauk, IL

North Somonauk

Full north-side coverage in Somonauk, IL

South Somonauk

All south-side communities in Somonauk

East Somonauk

East-end homes and properties in Somonauk, IL

West Somonauk

Full west-side coverage in Somonauk

Surrounding Areas

Call to confirm availability in Somonauk, IL

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FAQ

Duct Sealing FAQs in Somonauk, IL

The clearest indicators in Somonauk are energy bills that seem high relative to your usage, rooms that consistently will not reach the right temperature, an HVAC system that runs continuously without achieving comfort setpoint, higher than expected dust levels throughout the home, and humidity problems during cooling season in Somonauk, IL. Pressure testing is the definitive way to quantify the leakage in your specific system in Somonauk.
A duct pressure test connects a calibrated fan to the duct system and pressurizes it to a standard test pressure in Somonauk. The airflow required to maintain that pressure is measured in Somonauk, IL. The measured airflow represents the total leakage rate of the system in Somonauk. MBM Air Duct Cleaning performs pressure testing before and after every duct sealing service in Somonauk, IL.
The Department of Energy estimates that typical residential duct systems lose 20 to 30 percent of conditioned air through leakage before it reaches the living spaces in Somonauk. In systems with particularly poor sealing or failed original sealant, the loss can exceed 30 percent in Somonauk, IL.
Duct cleaning before duct sealing allows the mastic sealant to bond to clean duct surfaces in Somonauk. Applying mastic to duct surfaces coated with accumulated dust and debris reduces the bond quality and long-term sealing effectiveness in Somonauk, IL. MBM Air Duct Cleaning recommends cleaning before sealing when both services are needed and can coordinate both in a single visit in Somonauk.
Mastic is a water-based sealant specifically formulated for duct system applications in Somonauk. It remains flexible after curing and maintains its seal through the thermal cycling that duct systems experience during operation in Somonauk, IL. Standard duct tape uses a rubber-based adhesive that dries and loses adhesion from temperature cycling, failing within a few seasons in Somonauk.
Yes. Return duct leaks in crawl spaces draw crawl space air including its elevated moisture content into the return airstream in Somonauk. The additional moisture enters the air handler and is distributed throughout the home in Somonauk, IL. Indoor relative humidity rises despite the air conditioner running because the additional crawl space moisture load overwhelms the system's dehumidification capacity in Somonauk.
Aeroseal is a technology that seals duct leaks from inside the pressurized duct system in Somonauk. Aerosolized sealant particles are introduced into the system and travel to leak points where they accumulate and seal the gap in Somonauk, IL. It is needed when significant leakage exists in duct sections in wall cavities or ceiling plenums that cannot be physically accessed for manual sealant application in Somonauk.
Mastic duct sealant maintains its sealing effectiveness for the life of the duct system when correctly applied in Somonauk. UL 181-rated foil tape maintains adhesion for 20 years or more in normal duct system conditions in Somonauk, IL. Both materials significantly outlast standard duct tape in duct system applications in Somonauk.
Yes. Sealing the duct system reduces the conditioned air loss the system was experiencing and delivers more of the conditioned air the HVAC produces to the living spaces in Somonauk. The reduction in leakage translates directly to reduced energy consumption for the same heating and cooling output in Somonauk, IL.
Yes for systems with return duct leaks in unconditioned spaces in Somonauk. Return duct leaks in attics and crawl spaces draw unconditioned air including dust, moisture, and mold spores into the return airstream in Somonauk, IL. Sealing these leaks eliminates the pathway and keeps the circulated air to what is drawn from the living spaces in Somonauk.
Duct sealing costs in Somonauk range from $300 to $600 for smaller systems, $500 to $1,000 for standard residential systems, $800 to $1,500 and above for larger systems, and $1,500 to $3,000 and above for systems requiring Aeroseal treatment in Somonauk, IL. All pricing confirmed upfront before work begins in Somonauk.
Yes. Every MBM Air Duct Cleaning duct sealing service is guaranteed in Somonauk. If the sealing does not produce the expected improvement within the guarantee period, we return and address it at no additional charge in Somonauk, IL.
Call Today

Ducts Losing Conditioned Air? Call MBM Air Duct Cleaning in Somonauk, IL Today.

Duct leakage pays for conditioned air that heats and cools your attic and crawl space instead of your living spaces every month in Somonauk. MBM Air Duct Cleaning quantifies the leakage with pressure testing, locates every specific leak point, seals every accessible leak with correct materials, confirms the improvement with post-sealing testing, and guarantees every service in Somonauk, IL. Call now for same-day scheduling in Somonauk.

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Our HVAC & Air Duct Services in Somonauk, IL

Duct SealingHVAC RepairAir Conditioning RepairDryer Vent CleaningFurnace RepairHeat Pump RepairEmergency HVAC RepairCommercial HVAC RepairHVAC InstallationHVAC Replacement

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