Call Now — (888) 216-9551 — Same-Day Scheduling
Pressure Tested Before & After  ·  Mastic Sealant  ·  Every Leak Point Found  ·  Guaranteed
Duct Sealing · Grafton, WI

Duct Sealing in Grafton, 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 Grafton, WI

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

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

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

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

Call Now — (888) 216-9551
Where Leaks Occur

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

At Every Unsealed Duct Joint Throughout the System in Grafton

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

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

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

At Register Boot Connections in Walls and Ceilings in Grafton

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

Why Original Installation Sealant Fails Over Time in Grafton, WI

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

What Leakage Costs You

What Duct Leakage Costs You in Grafton, 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 Grafton, 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 Grafton. The conditioned air that leaks out before reaching the register does not reach the room in Grafton, 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 Grafton. 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 Grafton, WI.

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

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

Call Now — (888) 216-9551
Our Sealing Process

MBM's Duct Sealing Process in Grafton, WI

1

Pressure Testing to Establish Total Leakage in Grafton

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

2

Systematic Leak Location Through the Accessible System in Grafton, WI

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

3

Correct Sealant Selected for Each Leak Point in Grafton

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

4

Every Leak Point Sealed Completely in Grafton, WI

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

5

Post-Sealing Pressure Test to Confirm the Result in Grafton

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

Sealant Materials

What MBM Uses to Seal Duct Leaks in Grafton, WI

Mastic Sealant — The Professional Standard in Grafton

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

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

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

Standard Duct Tape Is Never Used in Grafton

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

Why MBM

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

Pressure Tested Before and After — Documented Improvement in Grafton

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

Every Accessible Leak Point Sealed in Grafton, WI

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

Correct Materials That Maintain Effectiveness Long Term in Grafton

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

Every Sealing Service Guaranteed in Grafton, WI

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

Call Now — (888) 216-9551
Pricing

Duct Sealing Cost in Grafton, WI

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

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

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

Call now for same-day scheduling in Grafton.

Call Now — (888) 216-9551
Service Area

Serving Grafton, WI and Surrounding Areas

Downtown Grafton

Homes, condos, apartments in Grafton, WI

North Grafton

Full north-side coverage in Grafton, WI

South Grafton

All south-side communities in Grafton

East Grafton

East-end homes and properties in Grafton, WI

West Grafton

Full west-side coverage in Grafton

Surrounding Areas

Call to confirm availability in Grafton, WI

Call Now — (888) 216-9551
FAQ

Duct Sealing FAQs in Grafton, WI

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

Ducts Losing Conditioned Air? Call MBM Air Duct Cleaning in Grafton, 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 Grafton. 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 Grafton, WI. Call now for same-day scheduling in Grafton.

Call Now — (888) 216-9551

Our HVAC & Air Duct Services in Grafton, WI

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

Serving These Locations

Air Duct Cleaning South Patrick Shores, FLAir Duct Cleaning Jersey Shore, PAAir Duct Cleaning Columbia, PAAir Duct Cleaning Lake Dunlap, TXAir Duct Cleaning Perkins, OKAir Duct Cleaning Big Rapids, MIAir Duct Cleaning Big Bear City, CAAir Duct Cleaning Franklin, WIAir Duct Cleaning Woodville, TXAir Duct Cleaning Valley Center, CAAir Duct Cleaning Royalton, ILAir Duct Cleaning Pomeroy, WAAir Duct Cleaning Cle Elum, WAAir Duct Cleaning Coon Rapids, MNAir Duct Cleaning Pitcairn, PAAir Duct Cleaning Whidbey Island Station, WAAir Duct Cleaning Rio Grande City, TXAir Duct Cleaning Ruhenstroth, NVAir Duct Cleaning Sterling, GAAir Duct Cleaning Alachua, FLAir Duct Cleaning Oakland, TNAir Duct Cleaning Hudsonville, MIAir Duct Cleaning Pine Lake Park, NJAir Duct Cleaning New Lenox, ILAir Duct Cleaning Sugar City, IDAir Duct Cleaning Camp Swift, TXAir Duct Cleaning Union Gap, WAAir Duct Cleaning Rogers, TXAir Duct Cleaning Woodworth, LAAir Duct Cleaning Fifth Street, TXAir Duct Cleaning Granbury, TXAir Duct Cleaning Cedar Springs, MIAir Duct Cleaning Grants, NMAir Duct Cleaning Thorndale, TXAir Duct Cleaning Edgewood, OHAir Duct Cleaning Janesville, IAAir Duct Cleaning Creve Coeur, ILAir Duct Cleaning Tonopah, NVAir Duct Cleaning Tyrone, OKAir Duct Cleaning Oconto Falls, WIAir Duct Cleaning Hiram, GAAir Duct Cleaning Malad City, IDAir Duct Cleaning Rexburg, IDAir Duct Cleaning Mayville, NDAir Duct Cleaning Gardner, KSAir Duct Cleaning Rosamond, CAAir Duct Cleaning Warsaw, VAAir Duct Cleaning Wildewood, MDAir Duct Cleaning Laureldale, PAAir Duct Cleaning Kosciusko, MS