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 Richardson
Duct repair and sealing in Richardson typically runs $280-$780 for most residential jobs, with full-system duct sealing on older homes reaching the higher end when multiple boots and plenum collars need reworking. We’re usually on-site in Richardson within 24-48 hours of your call, and every estimate starts with a camera inspection so we can show you exactly what’s failing before we quote a written price.
Our crews serve Richardson from our Dallas-Fort Worth office, and we’ve worked the same neighborhoods long enough to know what the housing stock delivers. Canyon Creek, the reservation-era ranches along Campbell Road, the split-levels near Spring Valley and Coit - these aren’t abstract service areas to us. They’re specific construction eras with specific duct problems that show up again and again. When you call (469) 405-6133, you’ll talk to a live person who knows Richardson’s zip codes and can tell you when our next available slot falls.
Why CleanRun Air Duct Cleaning Dallas Is Richardson’s Preferred Duct Repair & Sealing Company
We’ve been serving Richardson since we opened in 2013, and our Duct Repair & Sealing team has documented photo records from over 1,200 Richardson homes. That paper trail matters. Every customer receives before-and-after images of every duct run, a written scope of work, and our 365-Day Done Right Promise backed in writing - not a verbal assurance that evaporates when the truck leaves.
Richardson homeowners research before they buy. We built our process for exactly that customer. Haven Standard Clause 1 requires a written price before any work starts, every time, with no “call for a quote” loophole. Our license number is published on this page and on every technician’s badge. Haven Standard Clause 3 - Verified Crews - means background-checked, uniformed techs who identify themselves by name before they step inside. You can verify our equipment roster independently: Rotobrush, Nikro, Abatement Technologies, Honeywell, Aprilaire, and Guardsman are the brands we run.
Our Richardson customers consistently mention the photo record in reviews. They expected a vacuum truck and a bill. Instead they got timestamped images of their own ductwork, a written price they agreed to in advance, and a warranty they could point to if something failed. That’s the difference between a documented job and a service visit.
Our Duct Repair & Sealing Services in Richardson
Duct Sealing
Richardson’s slab-on-grade construction over Blackland Prairie expansive clay creates a problem we see almost nowhere else in our service area. Seasonal foundation movement pulls supply-duct boots 1-2 inches off the plenum collar in attic runs. A cleaned duct connected to an open gap immediately re-contaminates from blown-in fiberglass insulation overhead. Our duct sealing protocol in Richardson always includes boot-seal inspection as mandatory, not optional. We re-attach separated collars with mechanical fasteners, apply mastic sealant (not tape - tape fails in Richardson’s attic heat within two seasons), and verify seal integrity with a smoke pencil or calibrated pressure test. A typical duct sealing job in Richardson runs $340-$620 depending on the number of boots and the extent of separation.
Flex Duct Repair
The flex duct installed in Richardson’s 1970s and 1980s construction has exceeded its design lifespan. The inner liner delaminates, the wire helix corrodes in humid attic conditions, and the insulation wrap compresses where it was strapped too tight. In Canyon Creek and similar neighborhoods, we regularly find flex runs with 30-40% airflow restriction from collapsed or delaminated sections. Our flex duct repair replaces damaged sections with new insulated flex, properly supported at 4-foot intervals to prevent sagging, and sealed with mastic at every connection. We don’t patch over degraded liner - the shedding fibers will enter your airstream regardless of how tight the seal looks. Richardson flex duct repair typically costs $180-$340 per run.
Metal Duct Repair
Metal ductwork in Richardson’s newer construction and in some commercial conversions holds up better than flex or ductboard, but it’s not immune. Galvanized steel develops pinhole corrosion where condensation pools, particularly at low points in attic runs where North Texas humidity spikes create standing water conditions. Seams separate from thermal cycling - Richardson’s attics hit 140°F in July and drop below freezing in January. Our metal duct repair includes seam re-sealing with mastic, section replacement for corroded areas, and insulation wrap restoration to prevent future condensation. Metal work in Richardson generally runs $280-$520 depending on accessibility and extent.
Duct Insulation
Uninsulated or degraded duct insulation in Richardson is an efficiency killer and a condensation generator. When 55°F conditioned air moves through a duct wrapped in compressed 1970s fiberglass with torn vapor barrier, the exterior surface sweats. That moisture feeds microbial growth on the ductboard or flex liner beneath. Our duct insulation service replaces degraded wrap with new R-6 or R-8 insulation with intact vapor barrier, properly sealed at seams. In Richardson’s climate, this pays for itself in reduced cooling load and prevented re-contamination. Duct insulation work typically ranges $220-$480 for residential systems.
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 Richardson
We stock parts and materials from Nikro, Honeywell, and Aprilaire for Richardson jobs, with same-day or next-day availability on most sealants, collars, and insulation materials. Our Nikro negative-pressure extraction equipment handles the source-removal phase before any sealing begins. Honeywell and Aprilaire components figure in our air quality assessments when duct damage has compromised filtration or humidity control. We don’t upsell brand names we can’t source - if we specify it, we can install it this week.
Common Duct Repair & Sealing Problems We See in Richardson Homes
- Boot separation from plenum collars. Blackland Clay soil movement shifts slab-on-grade foundations seasonally, pulling attic duct boots 1-2 inches off their collars. Every cleaning job in Richardson should include boot-seal inspection, or the duct re-contaminates immediately from overhead insulation.
- Fiberglass ductboard liner delamination. Richardson’s 1970s-era ductboard systems have reached 40-60 years of service. The interior fiberglass liner degrades and sheds fibers into the airstream - a problem distinct from surface dust accumulation on metal ducts. Sealing leaks without addressing the shedding liner wastes your money.
- Condensation-driven microbial growth. North Texas humidity spikes from May through September create interior duct condensation, particularly in aging ductboard where the fibrous liner holds moisture. Fogging “sanitiser” into these systems without removing the degraded liner and fixing the condensation source guarantees regrowth within weeks.
- Compressed or sagging flex duct from original installation. Richardson’s 1980s flex runs were often strapped too tight, hung with inadequate support, or crushed where they cross framing. The resulting airflow restriction shows up as hot rooms, high utility bills, and premature HVAC compressor wear.
Pricing for Duct Repair & Sealing in Richardson, TX
Honest pricing for Richardson’s market:
| Service | Typical Range |
|---|---|
| Single boot re-attachment and sealing | $180-$280 |
| Multi-boot duct sealing (typical 3-5 boots) | $340-$620 |
| Flex duct repair / replacement per run | $180-$340 |
| Metal duct section repair | $280-$520 |
| Duct insulation replacement | $220-$480 |
| Full system assessment with camera inspection | Free with any repair |
What moves the price: accessibility (crawl space vs. walk-up attic), extent of separation or damage, and whether we’re working with original ductboard that requires liner remediation versus simpler metal or flex repair. We deliver a written price before any work starts, every time, under Haven Standard Clause 1. No per-vent pricing, no teaser coupons, no invoice inflation once the van is in your driveway. Bring a competitor’s written estimate - we provide a Free Second Opinion at no cost.
We were called to a 1972 ranch in Canyon Creek where the homeowner kept finding pink fiberglass fibers on the registers. Camera inspection showed delaminated flex liner in the attic supply runs and a boot pulled roughly an inch off the plenum collar, with attic air and insulation pouring in. Our tech re-attached the boot, applied mastic sealant at every collar, and wrapped the repaired runs in duct insulation. Post-repair static pressure dropped and the fiberglass shedding stopped within the week.
We Also Serve Cities Near Richardson
Our Duct Repair & Sealing in Richardson coverage extends to Plano, Garland, Carrollton, and Rowlett. Dispatch and scheduling are coordinated from our Dallas-Fort Worth office, with crews serving each city from local staging. The duct problems differ by municipality - Plano’s newer construction shows different failure modes than Richardson’s 1970s stock - and our assessments account for that.
Serving Richardson, TX - Our Local Coverage Area
We’re based in the Richardson 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 Richardson
Canyon Creek homes were built in the early 1970s with original fiberglass ductboard and flex duct that has now exceeded its 25-30 year design lifespan by a decade or more. The Blackland Prairie expansive clay beneath these slab-on-grade homes creates seasonal foundation movement that cracks boot connections and separates plenum collars - a compounding problem Plano’s 1990s-and-newer construction, typically built on more stable soils with modern flex duct, doesn’t experience to the same degree. Call (469) 405-6133 for a camera inspection and written estimate - estimates are free.
If your ducts were cleaned without a boot-seal inspection, they probably need sealing now. In Richardson’s Blackland Clay zone, cleaned ducts connected to open plenum gaps re-contaminate within days from attic air, blown-in insulation, and pests. Cleaning removes what’s inside the duct; sealing prevents immediate re-contamination. We won’t clean a Richardson system without inspecting every boot connection first - Haven Standard Clause 1 requires we document what we find before quoting any work. Call (469) 405-6133 to schedule.
A legitimate duct cleaning in Richardson includes mechanical source removal - negative-pressure extraction with agitation devices that dislodge debris from the duct walls - followed by a documented photo record of every run. A “sanitiser” fogging upsell without source removal is not legitimate; on Richardson’s moisture-retaining ductboard liners, it leaves the microbial food source in place and the growth returns within weeks. Fogging after proper source removal has its place, but fogging instead of source removal is a waste of money. We deliver the photo record so you can verify what was actually removed. Call (469) 405-6133 for an exact quote.
Richardson’s humidity spikes from May through September create interior duct condensation when cool conditioned air meets duct surfaces that haven’t been properly insulated or sealed. That moisture feeds mold and bacterial growth, particularly in aging ductboard where the fibrous inner liner holds water like a sponge. The humidity also accelerates corrosion on metal components and delamination of flex duct liners. Proper sealing and insulation break the condensation cycle by maintaining surface temperatures above the dew point. Call (469) 405-6133 for a humidity-impact assessment - estimates are free.
Sometimes, but only if the interior liner is intact. If the fiberglass surface is delaminating and shedding fibers, sealing or patching the exterior won’t stop the contamination - degraded liner continues to enter your airstream regardless of how tight the duct looks from outside. In those cases we recommend section replacement with modern insulated duct. When the liner is intact but the ductboard has minor damage or poor sealing, we can repair with proper mastic and reinforcement. Our camera inspection shows you the liner condition before you commit to any scope of work. Call (469) 405-6133 to schedule.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Richardson and the Dallas-Fort Worth metro since 2013.