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Pressure Tested Before & After  ·  Mastic Sealant  ·  Every Leak Point Found  ·  Guaranteed
Duct Sealing · East Lansing, MI

Duct Sealing in East Lansing, MI —
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 East Lansing, MI

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

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

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

Why Correct Sealant Materials Last While Duct Tape Fails in East Lansing, MI

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

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Where Leaks Occur

Where Duct Leaks Occur and Why They Develop in East Lansing, MI

At Every Unsealed Duct Joint Throughout the System in East Lansing

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

At Branch Takeoffs From the Main Trunk Line in East Lansing, MI

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

At Register Boot Connections in Walls and Ceilings in East Lansing

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

Why Original Installation Sealant Fails Over Time in East Lansing, MI

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

What Leakage Costs You

What Duct Leakage Costs You in East Lansing, MI

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 East Lansing, MI

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

What Return Duct Leaks Do to Your Indoor Air Quality in East Lansing, MI

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

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Our Sealing Process

MBM's Duct Sealing Process in East Lansing, MI

1

Pressure Testing to Establish Total Leakage in East Lansing

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

2

Systematic Leak Location Through the Accessible System in East Lansing, MI

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

3

Correct Sealant Selected for Each Leak Point in East Lansing

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

4

Every Leak Point Sealed Completely in East Lansing, MI

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

5

Post-Sealing Pressure Test to Confirm the Result in East Lansing

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

Sealant Materials

What MBM Uses to Seal Duct Leaks in East Lansing, MI

Mastic Sealant — The Professional Standard in East Lansing

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

UL 181-Rated Foil Tape for Specific Applications in East Lansing, MI

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

Standard Duct Tape Is Never Used in East Lansing

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

Why MBM

Why Choose MBM Air Duct Cleaning for Duct Sealing in East Lansing, MI

Pressure Tested Before and After — Documented Improvement in East Lansing

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

Every Accessible Leak Point Sealed in East Lansing, MI

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

Correct Materials That Maintain Effectiveness Long Term in East Lansing

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

Every Sealing Service Guaranteed in East Lansing, MI

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

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Pricing

Duct Sealing Cost in East Lansing, MI

All pricing confirmed upfront before work begins in East Lansing. No surprises in East Lansing, MI.

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

Pressure tested before and after. Every leak found. Correct materials. Guaranteed. MBM Air Duct Cleaning in East Lansing, MI.

Call now for same-day scheduling in East Lansing.

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Service Area

Serving East Lansing, MI and Surrounding Areas

Downtown East Lansing

Homes, condos, apartments in East Lansing, MI

North East Lansing

Full north-side coverage in East Lansing, MI

South East Lansing

All south-side communities in East Lansing

East East Lansing

East-end homes and properties in East Lansing, MI

West East Lansing

Full west-side coverage in East Lansing

Surrounding Areas

Call to confirm availability in East Lansing, MI

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FAQ

Duct Sealing FAQs in East Lansing, MI

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

Ducts Losing Conditioned Air? Call MBM Air Duct Cleaning in East Lansing, MI Today.

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

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Our HVAC & Air Duct Services in East Lansing, MI

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

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