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.
Before
After
Before
After
Before
AfterFast, Reliable Duct Repair & Sealing Across Richmond
Duct repair and sealing in Richmond, TX typically runs $280-$750 for most residential jobs, with flex duct replacement in master-planned communities like Aliana or Harvest Green falling at the higher end due to long attic runs. Our crews dispatch to Richmond from our Houston coordination office, and we’re familiar with the specific failure patterns that develop in Fort Bend County’s humidity and housing stock. Call (346) 666-7165 for a written estimate before any work starts.
Richmond’s homes aren’t generic. The flex duct systems installed in the 2010s building boom are now hitting the age where sagging runs, separated connections, and moisture-driven biofilm become real problems. We’ve worked enough homes in Long Meadow Farms and the older neighborhoods near downtown Richmond to know the difference between a simple seal and a system that needs section replacement. Our Duct Repair & Sealing team documents everything with before-and-after photos of every duct run.
Why CleanRun Air Duct Cleaning Katy Is Richmond’s Preferred Duct Repair & Sealing Company
We’ve served Richmond homeowners since 2013 with one rule: written price before work starts, every time, under Haven Standard Clause 1. No exceptions. Over 52,000 homes later, that practice hasn’t changed.
Our Richmond customers receive a Documented Photo Record on every visit. Inside every duct run, before and after. Not a marketing promise - a standard deliverable you can review while the crew is still packing up. The 365-Day Done Right Promise is backed in writing, not subject to manager approval.
Technicians are background-checked, uniformed, and identified by name before arrival. Haven Standard Clause 3: Verified Crews. We publish our license number on every page because credentials should be verifiable, not buried in a footer.
All calls are answered by a live person. If you’re in Richmond and need a Free Second Opinion on any competitor’s written estimate, we put our number next to theirs - in writing, at no cost.
Our Duct Repair & Sealing Services in Richmond
Flex Duct Repair
Richmond’s master-planned communities were built with long flex duct runs routed through attics that exceed 140°F in summer. Because Richmond’s humidity stays elevated eight to ten months a year, the low-point sags in those runs trap condensation and debris - a failure pattern that simply doesn’t occur in drier Texas markets where flex duct stays dry and doesn’t pool water. We cut out sagging sections, install proper support straps every 4 feet, and seal connections with mastic, not tape that degrades in attic heat. In Harvest Green and Aliana, we’ve found 20-foot runs with multiple sags holding standing water and restricting airflow to second-floor registers.
We were called to a Harvest Green home where the second-floor supply registers were blowing weak, musty air. Our camera inspection found a 20-foot flex run that sagged at two low points, holding standing condensation and a visible tide-line of dried sediment from past flooding. We cut out the sagging sections, replaced them with properly supported flex duct sealed with mastic, and restored balanced airflow to the upstairs bedrooms.
Duct Sealing
Sealing in Richmond isn’t about energy efficiency alone. It’s about keeping humid Brazos River bottom air out of your system. Even a minor leak in a Richmond attic introduces enough ambient moisture to sustain mold colonization between annual service cycles. We seal plenum connections, register boots, and longitudinal seams with mastic sealant rated for wet environments. For homes in FEMA-flooded neighborhoods, sealing also prevents continued infiltration of humid outdoor air that reactivates dried sediment in post-Harvey ductwork.
Metal Duct Repair
Older homes near downtown Richmond - pre-1980s construction - often have original galvanized metal duct systems with deteriorated insulation or asbestos-wrapped fittings. These systems crumble when handled improperly. Our crews are trained to identify asbestos-wrapped fittings and work within Texas Department of State Health Services guidelines. We repair separated seams with mechanical fasteners and mastic, replace deteriorated insulation with foil-faced wrap, and document the condition of every section we touch.
Duct Insulation
Attic temperatures in Richmond routinely hit 140-150°F. Uninsulated or poorly insulated ductwork loses capacity before conditioned air reaches your living space. We install insulation with proper vapor barriers, sealed at all seams, to maintain supply air temperature from plenum to register. This is particularly critical in Long Meadow Farms and similar communities where ducts run 30+ feet through unconditioned attic space.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
BeforeAfterTrusted Brands We Service in Richmond
Our equipment roster includes Rotobrush agitation systems, Abatement Technologies negative-pressure extractors, and Guardsman sealants - brands you can look up independently before agreeing to any work. We stock mastic, flex duct, and mechanical fasteners appropriate for Richmond’s humidity and temperature extremes, so most repairs don’t wait on parts. For specialized components, our Houston coordination office maintains next-day supply relationships with Aprilaire and Honeywell distributors serving the Fort Bend County market.
Common Duct Repair & Sealing Problems We See in Richmond Homes
- Sagging flex duct with standing condensation. In wide-footprint Richmond slab homes, flex runs exceeding 15 feet develop low-point sags that trap water and debris. The camera shows it clearly - a belly in the duct holding moisture that breeds mold inside the liner.
- Post-Harvey sediment in FEMA-flooded neighborhoods. Ductwork in homes that took water during Hurricane Harvey often retains a visible tide-line of dried sediment inside boots and plenum connections. Standard visual inspections from the register end miss this entirely. Our camera inspection finds it.
- Deteriorated metal duct insulation near downtown. Pre-1980s homes with original galvanized systems have insulation that crumbles to dust when touched. The metal underneath may be sound, but uninsulated ducts in a 150°F attic waste energy and sweat condensation onto ceiling drywall.
- Separated connections at plenum and register boots. Richmond’s clay soil creates foundation movement that stresses duct connections. We find separated boots in Aliana and Harvest Green homes where slab movement has pulled registers away from drywall, breaking the seal and dumping conditioned air into wall cavities.
Pricing for Duct Repair & Sealing in Richmond, TX
Here’s what duct repair and sealing costs in Richmond’s market:
| Service | Typical Range |
|---|---|
| Duct sealing (whole system, mastic) | $280-$450 |
| Flex duct section replacement (per run) | $180-$340 |
| Metal duct repair with insulation | $320-$580 |
| Full duct insulation replacement | $450-$750 |
| Post-Harvey contamination assessment with camera | $150-$220 (credited toward repair) |
Factors that move Richmond jobs higher: long attic runs in master-planned communities requiring additional support straps, asbestos-wrapped fittings needing specialized handling, or multiple sagging sections in a single system. Every job gets a written price before work starts - Haven Standard Clause 1. No per-vent pricing, no coupon bait-and-switch. Call (346) 666-7165 for an exact quote on your Richmond home. Estimates are free.
We Also Serve Cities Near Richmond
Our crews work throughout Fort Bend and western Harris counties. We regularly schedule Duct Repair & Sealing in Richmond alongside jobs in Rosenberg, Sugar Land, Katy, and Stafford. Dispatch and scheduling are coordinated from our Houston office; crews serve Richmond locally with no additional travel charges within our standard service radius.
Serving Richmond, TX - Our Local Coverage Area
We’re based in the Richmond 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 Richmond
Long flex duct runs in wide-footprint slab homes sag at low points where support straps have loosened or were never installed to code spacing. Richmond’s subtropical humidity means those sags hold condensation that drier markets simply don’t produce. We replace sagging sections and install proper support every 4 feet to prevent recurrence. Call (346) 666-7165 for a camera inspection that shows exactly where your runs are failing.
Yes. Pre-1980s homes often have original metal duct systems with asbestos-wrapped fittings or deteriorated insulation that requires specialized handling per Texas DSHS guidelines. We assess the system with a camera before disturbing any component, and we document the condition of every section. Call (346) 666-7165 to schedule an assessment with a written scope before any work begins.
You can’t tell from the register end. Dried sediment from 2017 flooding sits inside boots and plenum connections, invisible without a camera inspection. We’ve found tide-lines in Harvest Green and Aliana homes six years after Harvey. Our inspection includes a Documented Photo Record of every run so you can see what standard visual checks miss. Call (346) 666-7165 to book a post-Harvey assessment; the inspection fee is credited toward any repair work.
Richmond’s proximity to the Brazos River bottom creates ambient humidity that drier Texas markets don’t experience. A small leak in your attic ductwork pulls that moist air into the system continuously, creating conditions for mold colonization inside flex duct liners and at supply registers. Mastic sealing closes those entry points permanently. Call (346) 666-7165 for a pressure test and written sealing scope.
Yes. Our Abatement Technologies negative-pressure extractors maintain containment during cutting and removal operations, and HEPA filtration captures particulates down to 0.3 microns. This matters particularly in Richmond’s humid environment where disturbed biofilm or post-Harvey sediment could otherwise circulate through your home during repair work. The process is documented with before-and-after photos of every run. Call (346) 666-7165 to discuss containment protocols for your specific job.
Ready for a written estimate on your Richmond home? Call (346) 666-7165 to speak with a live person. We’ll schedule a technician visit, deliver a written price before any work starts, and leave you with a Documented Photo Record of every duct run we touch - backed by our 365-Day Done Right Promise.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Richmond and Fort Bend County homeowners since 2013.