Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
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AfterFast, Reliable Duct Repair & Sealing Across Cloverleaf
Duct repair and sealing in Cloverleaf, TX typically runs $280-$650 for most residential jobs, with full-system sealing on older homes reaching $800-$1,400 when multiple duct runs need attention. We dispatch crews to Cloverleaf from our Houston coordination office, and most repair calls are scheduled within 48 hours. Call (346) 423-3631 for a written estimate before any work starts.
We’ve been working in Cloverleaf since 2013, and the housing stock here tells its own story. Post-WWII ranch homes off Sheldon Road, small tract houses near the Beltway 8 corridor, and the scattered properties along rural stretches with unpaved road frontage - each carries a different duct problem profile. Our Duct Repair & Sealing team knows the difference between a 1960s sheet-metal trunk with original asbestos-wrap residue and a 1990s flex retrofit that has cooked in a 140°F attic for three decades. That local knowledge changes what we open first, what we photograph, and what we quote.
Why CleanRun Air Duct Cleaning Spring Is Cloverleaf’s Preferred Duct Repair & Sealing Company
CleanRun has served more than 52,000 homes since 2013, and a significant share of those have been in the Cloverleaf area and the unincorporated pockets east of the Ship Channel. Our reviews from Cloverleaf customers consistently note two things: the technician showed them the photo record before explaining the scope, and the written price matched the final invoice. No per-vent add-ons, no “we found something else” mid-job.
Response time to Cloverleaf is typically next-day or within 48 hours for standard repairs. Emergency calls - meaning no HVAC function during summer cooling load - get priority scheduling. We coordinate dispatch from our Houston office, but the crew that arrives at your Cloverleaf property will have already pulled your neighborhood’s common failure modes from our job history. They know about the post-Harvey plenum boxes. They know about the flex duct that sags between trusses in those low-pitched ranch attics. That preparation means less time diagnosing, more time fixing.
Tomas Reyes, who leads CleanRun, established the Haven Standard in 2013 specifically because this industry’s coupon-driven model left homeowners with no documentation and no recourse. Every Cloverleaf job still operates under that standard: written price before work starts (Haven Standard Clause 1), verified crew identity (Clause 3), and a 365-Day Done Right Promise backed in writing.
Our Duct Repair & Sealing Services in Cloverleaf
Duct Sealing
Duct sealing in Cloverleaf addresses a problem most homeowners don’t know they have. In the 1950s-70s housing that dominates this area, original sheet-metal joints were often sealed with fabric tape that has dried and failed, or with nothing at all. The result is conditioned air leaking into attics that hit 140°F in July, while the system pulls in unfiltered attic air through return-side gaps. Our sealing protocol starts with a camera inspection of every joint, then mastic application - not tape - on dry, clean metal. We verify with a pressure test before we leave. Typical Cloverleaf duct sealing runs $350-$650 for a single-system home.
Flex Duct Repair
Flex duct repair is the most common call we get in Cloverleaf. The retrofit flex installed in many of these ranch homes was undersized for the run length, strapped too tightly (crushing the inner liner), or left to sag between support points. In a 140°F attic with 75-90% humidity, that sag collects condensation. The inner liner delaminates. The insulation wrap gets wet. We don’t patch flex duct - we replace the failed section with properly sized, supported material, then photograph the before and after from inside the run. A typical flex repair on a Cloverleaf home runs $280-$480 per run, with full attic replacement reaching $800-$1,200.
Metal Duct Repair
Metal duct repair in Cloverleaf usually means the original galvanized steel trunk lines in those post-WWII ranches. We’ve found rust-through at low points where condensation pooled for decades, separations at original snap-lock seams, and - in homes near the Ship Channel corridor - accelerated corrosion from industrial particulate that standard household dust doesn’t carry. Repair involves cutting out the damaged section, fabricating a replacement from matching gauge steel, and sealing with mastic. When the trunk is too far gone, we sectionally replace. Metal repair in Cloverleaf typically runs $400-$750 per section.
Air Leak Repair
Air leak repair targets the gaps that bypass the duct entirely: plenum seams, boot connections, access panel perimeters. In Cloverleaf, we pay special attention to the supply-side boot at the air handler. After Harvey, many homes had water in utility closets and garage platforms that was wiped up but never properly dried inside the plenum. The boot looks fine from the register side. We pull it first. Camera inspection confirms what we can’t see. Air leak repair with plenum access runs $320-$580 in most Cloverleaf homes.
Duct Insulation
Duct insulation in Cloverleaf addresses energy loss and condensation control in those sweltering attics. Original fiberglass wrap degrades; critters nest in it; vapor barriers fail. We install new wrap with intact facing, properly sealed at seams, or switch to closed-cell foam insulation on metal trunks where the application makes sense. Duct insulation typically adds $200-$400 to a sealing job, or $600-$1,000 as a standalone service on a full system.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
BeforeAfterTrusted Brands We Service in Cloverleaf
CleanRun crews carry professional-grade equipment from trade-recognized brands: Rotobrush for mechanical agitation in residential duct runs, Nikro for negative-pressure extraction systems, Honeywell controls and sensors for pressure testing and airflow verification, and Aprilaire media filters when upgrading the return path. We don’t list equipment to impress. We name it so Cloverleaf homeowners can look up specifications before they agree to a price. Parts for common Cloverleaf systems - Carrier, Trane, Lennox, Goodman - are stocked or sourced with next-day availability from Houston-area suppliers. No waiting on a coil or a blower motor while your attic turns into a steam bath.
Common Duct Repair & Sealing Problems We See in Cloverleaf Homes
- Industrial particulate loading from the Ship Channel corridor. Cloverleaf’s location immediately east of Houston’s petrochemical and freight infrastructure means residential HVAC systems pull in chemically complex particulates that standard suburban dust filters don’t capture. This loads return-side duct walls and blower motors faster than the generic 3-5 year cleaning interval, and sealing a leak on contaminated ductwork just seals the problem inside.
- Condensation failure in attic flex runs. Relative humidity at 75-90% year-round, combined with attic temperatures exceeding 140°F, creates internal condensation in flex duct that destroys mastic adhesion. Tape applied over a damp joint fails within one cooling season. The fix requires drying the run, finding the exact leak point by camera, then sealing - not guessing by feel.
- Post-Harvey mold in plenum boxes and duct boots. Many Cloverleaf homes took water in utility closets and garage air-handler platforms during Harvey and subsequent floods. Surface remediation missed the interior of the supply-side boot. We pull it first on every inspection. The mold is there even when the rest of the duct run looks clean.
- Undersized flex retrofits in original sheet-metal systems. A 1960s ranch off Sheldon Road with a 12-inch sheet-metal trunk doesn’t need 8-inch flex jammed through a 140°F attic as a “repair.” The flex collapses at sag points, leaks at unsupported joints, and starves the far registers of airflow. Proper sizing and support fixes the complaint that “the back bedroom never cools.”
Pricing for Duct Repair & Sealing in Cloverleaf, TX
Here’s what duct repair and sealing actually costs in the Cloverleaf market, based on jobs we’ve completed in the area:
| Service | Typical Range in Cloverleaf |
|---|---|
| Single air leak repair (boot/plenum) | $280-$420 |
| Duct sealing, single system (mastic, pressure-tested) | $350-$650 |
| Flex duct repair/replacement, per run | $280-$480 |
| Metal duct section repair | $400-$750 |
| Full attic flex replacement with sealing | $800-$1,400 |
| Duct insulation upgrade, full system | $600-$1,000 |
What moves the price: accessibility (crawl space vs. walk-up attic), number of duct runs affected, whether the plenum needs opening for mold remediation, and whether the system needs source cleaning before sealing can be effective. We deliver a written price before any work starts, every time, under Haven Standard Clause 1. No per-vent pricing. No coupon bait. Bring a competitor’s written estimate and we’ll provide a Free Second Opinion, our number next to theirs.
Call (346) 423-3631 for a written estimate - estimates are free, and the price we write is the price you pay.
We Also Serve Cities Near Cloverleaf
Our crews work throughout the northeast Houston metro, including Cloverleaf and the surrounding communities of Spring, Humble, Aldine, and The Woodlands. Dispatch and scheduling are coordinated from our Houston office. Each area gets the same Haven Standard: written price first, documented photo record on every visit, and the 365-Day Done Right Promise in writing.
Serving Cloverleaf, TX - Our Local Coverage Area
We’re based in the Cloverleaf area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Duct Repair & Sealing in Cloverleaf
Every 18-24 months, not the generic 3-5 year suburban interval. Unpaved road dust in the Cloverleaf area is finer and more abrasive than typical household debris, and it combines with Ship Channel industrial particulate to load return-side duct walls and blower motors far faster. If your property has open land or agricultural exposure, that interval shortens further. Sealing leaks without source removal first just traps that contaminated air in the system. Call (346) 423-3631 and we’ll inspect the load level by camera before recommending any work.
Surface remediation of utility closets and garage platforms typically doesn’t address the interior of the supply-side plenum box or the duct boot at the air handler. We’ve found established mold in those components in dozens of post-Harvey Cloverleaf homes where the visible water was cleaned and the ductwork was assumed dry. The boot looks intact from the register side. We pull it first and camera-inspect. The contamination is often localized but active, and it recirculates through every room every time the blower runs.
Sealing comes after cleaning if the duct interior shows significant debris or mold. Haven Standard Clause 1 requires that we document what we’re sealing - a camera inspection on every job. If the run is loaded with industrial particulate or post-Harvey mold, sealing without source removal traps that material inside and voids any warranty claim. We show you the photo record, quote both options in writing, and you decide. Most Cloverleaf homes with original 1950s-70s ductwork need at least partial cleaning before effective sealing.
Because the joints were likely taped while damp, or the flex is sagging between supports and pulling the connection apart under its own weight. Cloverleaf’s 75-90% humidity and 140°F attic temperatures destroy standard duct tape within a season and keep flex liner damp enough that mastic won’t adhere. Proper repair requires re-strapping to eliminate sags, drying the run with negative-pressure extraction, then sealing with mastic on a clean, dry surface. We verify with camera inspection and pressure test before we leave.
Outbuilding systems in the Cloverleaf area - workshops, guest quarters, garage apartments - often need more frequent attention, not less. They’re typically served by undersized flex runs, lack proper return paths, and pull in unfiltered air from adjacent unpaved areas or light industrial uses. The same industrial particulate load affects them, and because they’re smaller systems, the contamination concentrates faster. We inspect and quote outbuilding systems as separate zones, with the same photo documentation and written pricing.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Cloverleaf since 2013.