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

Duct Sealing in Hammond, WI —
Call Now for Same-Day Scheduling.

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 Hammond, WI

Your energy bills are higher than they should be for the amount of heating and cooling your home requires in Hammond. Certain rooms will not reach the right temperature regardless of how long the HVAC runs in Hammond, WI. You have had the equipment checked and it is working correctly in Hammond. 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 Hammond, WI. 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 Hammond.

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 Hammond, WI. The Department of Energy estimates that typical residential duct systems lose 20 to 30 percent of conditioned air through leakage in Hammond. 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 Hammond, WI.

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

Why Correct Sealant Materials Last While Duct Tape Fails in Hammond, WI

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 Hammond. A supply duct carrying cold conditioned air through a 130-degree summer attic cycles through extreme temperatures with every cooling cycle in Hammond, WI. Standard duct tape adhesive is not formulated for this cycling and fails within a few seasons in Hammond. Mastic sealant remains flexible after curing and maintains its seal through years of thermal cycling in Hammond, WI. UL 181-rated foil tape maintains adhesion for 20 years or more in normal duct system conditions in Hammond.

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Where Leaks Occur

Where Duct Leaks Occur and Why They Develop in Hammond, WI

At Every Unsealed Duct Joint Throughout the System in Hammond

Every connection between duct sections is a potential leak point in Hammond, WI. In most residential installations, these joints were mechanically fastened without sealant during installation in Hammond. 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 Hammond, WI.

At Branch Takeoffs From the Main Trunk Line in Hammond, WI

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

At Register Boot Connections in Walls and Ceilings in Hammond

The register boot connects the branch duct run to the wall, ceiling, or floor opening where the supply register mounts in Hammond, WI. 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 Hammond. Conditioned air escaping at the boot level leaks into the wall or ceiling cavity rather than through the register into the room in Hammond, WI.

Why Original Installation Sealant Fails Over Time in Hammond, WI

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

What Leakage Costs You

What Duct Leakage Costs You in Hammond, WI

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 Hammond, WI

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 Hammond. The conditioned air that leaks out before reaching the register does not reach the room in Hammond, WI. Rooms at the end of long duct runs with multiple leak points along the way receive the cumulative effect of all those leaks in Hammond. 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 Hammond, WI.

What Return Duct Leaks Do to Your Indoor Air Quality in Hammond, WI

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

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Our Sealing Process

MBM's Duct Sealing Process in Hammond, WI

1

Pressure Testing to Establish Total Leakage in Hammond

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

2

Systematic Leak Location Through the Accessible System in Hammond, WI

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

3

Correct Sealant Selected for Each Leak Point in Hammond

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

4

Every Leak Point Sealed Completely in Hammond, WI

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

5

Post-Sealing Pressure Test to Confirm the Result in Hammond

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

Sealant Materials

What MBM Uses to Seal Duct Leaks in Hammond, WI

Mastic Sealant — The Professional Standard in Hammond

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

UL 181-Rated Foil Tape for Specific Applications in Hammond, WI

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

Standard Duct Tape Is Never Used in Hammond

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

Why MBM

Why Choose MBM Air Duct Cleaning for Duct Sealing in Hammond, WI

Pressure Tested Before and After — Documented Improvement in Hammond

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

Every Accessible Leak Point Sealed in Hammond, WI

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

Correct Materials That Maintain Effectiveness Long Term in Hammond

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

Every Sealing Service Guaranteed in Hammond, WI

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

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Pricing

Duct Sealing Cost in Hammond, WI

All pricing confirmed upfront before work begins in Hammond. No surprises in Hammond, WI.

Small system — up to 10 vents in Hammond$300 to $600
Standard residential system — 10 to 20 vents in Hammond, WI$500 to $1,000
Large residential system — 20 or more vents in Hammond$800 to $1,500+
Aeroseal treatment for inaccessible leaks in Hammond, WI$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 Hammond, WI. For a home spending $200 per month on heating and cooling, a 15 percent leakage reduction saves approximately $30 per month in Hammond. A sealing service costing $500 to $1,000 pays for itself in energy savings within 18 to 36 months in most cases in Hammond, WI. Every month after payback is net return on the investment in Hammond.

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

Call now for same-day scheduling in Hammond.

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Service Area

Serving Hammond, WI and Surrounding Areas

Downtown Hammond

Homes, condos, apartments in Hammond, WI

North Hammond

Full north-side coverage in Hammond, WI

South Hammond

All south-side communities in Hammond

East Hammond

East-end homes and properties in Hammond, WI

West Hammond

Full west-side coverage in Hammond

Surrounding Areas

Call to confirm availability in Hammond, WI

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FAQ

Duct Sealing FAQs in Hammond, WI

The clearest indicators in Hammond 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 Hammond, WI. Pressure testing is the definitive way to quantify the leakage in your specific system in Hammond.
A duct pressure test connects a calibrated fan to the duct system and pressurizes it to a standard test pressure in Hammond. The airflow required to maintain that pressure is measured in Hammond, WI. The measured airflow represents the total leakage rate of the system in Hammond. MBM Air Duct Cleaning performs pressure testing before and after every duct sealing service in Hammond, WI.
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 Hammond. In systems with particularly poor sealing or failed original sealant, the loss can exceed 30 percent in Hammond, WI.
Duct cleaning before duct sealing allows the mastic sealant to bond to clean duct surfaces in Hammond. Applying mastic to duct surfaces coated with accumulated dust and debris reduces the bond quality and long-term sealing effectiveness in Hammond, WI. MBM Air Duct Cleaning recommends cleaning before sealing when both services are needed and can coordinate both in a single visit in Hammond.
Mastic is a water-based sealant specifically formulated for duct system applications in Hammond. It remains flexible after curing and maintains its seal through the thermal cycling that duct systems experience during operation in Hammond, WI. Standard duct tape uses a rubber-based adhesive that dries and loses adhesion from temperature cycling, failing within a few seasons in Hammond.
Yes. Return duct leaks in crawl spaces draw crawl space air including its elevated moisture content into the return airstream in Hammond. The additional moisture enters the air handler and is distributed throughout the home in Hammond, WI. Indoor relative humidity rises despite the air conditioner running because the additional crawl space moisture load overwhelms the system's dehumidification capacity in Hammond.
Aeroseal is a technology that seals duct leaks from inside the pressurized duct system in Hammond. Aerosolized sealant particles are introduced into the system and travel to leak points where they accumulate and seal the gap in Hammond, WI. 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 Hammond.
Mastic duct sealant maintains its sealing effectiveness for the life of the duct system when correctly applied in Hammond. UL 181-rated foil tape maintains adhesion for 20 years or more in normal duct system conditions in Hammond, WI. Both materials significantly outlast standard duct tape in duct system applications in Hammond.
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 Hammond. The reduction in leakage translates directly to reduced energy consumption for the same heating and cooling output in Hammond, WI.
Yes for systems with return duct leaks in unconditioned spaces in Hammond. Return duct leaks in attics and crawl spaces draw unconditioned air including dust, moisture, and mold spores into the return airstream in Hammond, WI. Sealing these leaks eliminates the pathway and keeps the circulated air to what is drawn from the living spaces in Hammond.
Duct sealing costs in Hammond 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 Hammond, WI. All pricing confirmed upfront before work begins in Hammond.
Yes. Every MBM Air Duct Cleaning duct sealing service is guaranteed in Hammond. If the sealing does not produce the expected improvement within the guarantee period, we return and address it at no additional charge in Hammond, WI.
Call Today

Ducts Losing Conditioned Air? Call MBM Air Duct Cleaning in Hammond, WI Today.

Duct leakage pays for conditioned air that heats and cools your attic and crawl space instead of your living spaces every month in Hammond. 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 Hammond, WI. Call now for same-day scheduling in Hammond.

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Our HVAC & Air Duct Services in Hammond, WI

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

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