Fast, Reliable Duct Repair & Sealing Across Richland Hills
Duct repair and sealing in Richland Hills typically costs $280-$680 for most single-story ranch homes, with same-day service available when you call before noon. Our Duct Repair & Sealing team knows these neighborhoods - from Forest Park Drive to the older tracts near Boulevard 26 - because we’ve been driving them since 1984. Richland Hills homes were built in a concentrated window, mostly 1950s through 1970s, and that shared history means we see the same patterns: cracked boots at slab penetrations, heat-cycled fiberglass duct board, and metal joints pulled apart by decades of clay soil movement. If your registers blow weak or your utility bill’s climbing, the problem is usually findable in under an hour. Call (866) 347-2063 and we’ll show you exactly what’s wrong before we quote a dollar.
Why Bellows Air Duct & Vent Co. of Texas Is Richland Hills’s Preferred Duct Repair & Sealing Company
We’ve worked in Richland Hills long enough to know which slab homes on which blocks are likely to need boot resealing. That matters because a technician who recognizes the pattern doesn’t waste your time hunting for the obvious.
Our reputation here is built on showing up when we say and leaving the camera footage behind. Every job gets inspected before and after - not because it’s fancy, but because a Richland Hills homeowner who’s lived in the same ranch for thirty years deserves to see what changed. Reviews from Richland Hills customers mention the same things repeatedly: the technician pointed out the crack at the plenum, explained why the clay soil caused it, and fixed it in one visit without revising the price.
Response time to Richland Hills is typically same-day or next-morning. We’re coming from our Houston base, but we schedule Tarrant County runs with enough frequency that you’re not waiting a week for a duct sealing appointment. Calls are answered by a live person, 24 hours a day - not a voicemail tree, not an app. If you’ve got conditioned air pouring into your crawl space at 2 a.m., someone will pick up.
Our local knowledge runs deeper than zip codes. We know that 76180’s post-WWII slab construction responds differently to seasonal moisture than the pier-and-beam pockets of older Fort Worth. We know that a 1962 ranch on Forest Park Drive probably has original sheet metal boots that have been flexing with the slab since the Kennedy administration. That context saves diagnostic time and saves you money.
Our Duct Repair & Sealing Services in Richland Hills
Duct Sealing with Mastic Sealant
Most Richland Hills duct systems lose 20-30% of conditioned air to leaks before it reaches the registers. On a 1960s slab home, the worst leaks are usually at the plenum-to-boot connections where foundation movement has opened gaps. We seal these with professional-grade mastic sealant - not duct tape, which fails in attic heat - applied to every joint, collar, and penetration. The mastic remains flexible through North Texas temperature swings, and it’s the standard we apply on every Richland Hills sealing job. Typical range: $280-$450 for a full system seal on a single-story ranch.

Flex Duct Repair
Where original flex duct has been added to Richland Hills systems - often in 1970s renovations or garage conversions - the plastic liner degrades in attics that hit 140°F regularly. We replace collapsed or torn flex with new R-8 insulated flex, properly supported and sealed at both ends. Most flex repairs in Richland Hills run $180-$340 per branch, depending on attic accessibility. If your flex is original 1970s vintage, replacement is usually smarter than patching.

Metal Duct Repair
The bare sheet metal trunk lines in Richland Hills’s older ranches develop separated seams, rust at condensation points, and collar separations where the clay soil has stressed the slab penetrations. We reseat and reseal metal joints, replace rusted sections, and reinforce connections that foundation movement will continue to test. Metal repair in Richland Hills typically falls between $320-$580, with full section replacement at the higher end if corrosion has compromised the duct wall.

Duct Insulation Replacement
Original fiberglass duct board insulation in 1950s-1970s Richland Hills homes has often degraded to the point where it’s shedding fibers into the airstream or simply no longer insulating. We remove degraded wrap and install new R-8 insulation with vapor barrier, sealed at every seam. This is particularly critical in Richland Hills attics, where the combination of extreme heat and high summer humidity creates condensation inside poorly insulated metal ducts - a direct path to mold. Full re-insulation of an attic trunk system typically runs $480-$720.

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.
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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.
Trusted Brands We Service in Richland Hills
We carry Rotobrush inspection systems and Nikro HEPA equipment on every truck, which means we can camera-inspect and document your duct condition before quoting any Air Duct Cleaning - Richland Hills repair. For sealing and insulation materials, we specify Honeywell and Aprilaire products - the same brands serious HVAC contractors use - because a repair that needs redoing in two years isn’t a repair at all. We stock common boot sizes, collar configurations, and R-8 wrap dimensions for the 1950s-1970s housing stock that dominates Richland Hills, so most jobs don’t wait on parts.
Common Duct Repair & Sealing Problems We See in Richland Hills Homes
- Slab-heave separation at floor registers. Richland Hills’s Blackland Prairie clay soil expands and contracts with moisture, gradually pulling apart metal duct joints and collars at slab penetrations. We regularly find original plenum-to-boot connections that have cracked or separated completely, dumping conditioned air directly into the crawl space beneath the slab.
- Heat-cycled fiberglass duct board failure. Decades of North Texas attic temperatures exceeding 140°F have degraded insulation wrap and loosened connections on 1950s-1970s ranch homes. The fiberglass becomes brittle, the facing delaminates, and the duct board itself can sag or collapse.
- Condensation and mold in unsealed metal ducts. High summer humidity combined with extreme attic heat creates persistent moisture inside poorly sealed older metal ductwork. We find mold staining at low points and behind degraded insulation - conditions that require mastic sealing and re-insulation, not just cleaning.
- Collapsed or torn flex duct from 1970s additions. Where flex was added during later renovations, the plastic liner has often become brittle and the insulation compressed. Attic traffic during other repairs - common in homes that have had multiple owners - frequently crushes unsupported flex runs.
Pricing for Duct Repair & Sealing in Richland Hills, TX
Here’s what duct repair and sealing costs in the Richland Hills market, based on the single-story ranch homes that make up most of our calls:
| Service | Typical Range |
|---|---|
| Mastic sealant application (full system) | $280-$450 |
| Flex duct repair/replacement (per branch) | $180-$340 |
| Metal duct repair (seams, collars, sections) | $320-$580 |
| Duct insulation replacement (attic trunk) | $480-$720 |
| Boot resealing at slab penetration (per register) | $140-$220 |
What moves you within these ranges? Attic accessibility, extent of foundation-related separation, and whether we’re repairing or replacing. We inspect with a camera before quoting, so you see what we see. Every price is disclosed upfront - no bait coupons, no changes at the door. We also honor our standing $50 Off Any Repair Over $250, and a permanent 5% Senior and Veteran discount. Call (866) 347-2063 for a free estimate with exact numbers for your home.
We Also Serve Cities Near Richland Hills
Our service radius includes Richland Hills and the surrounding communities: North Richland Hills, Watauga, Hurst, and Haltom City. Each has its own housing stock patterns - North Richland Hills’s newer construction sees different failure modes, while Watauga and Haltom City share some of the same post-WWII slab challenges. Wherever you are in central Tarrant County, we apply the same standard: camera inspection, upfront pricing, and our 90-Day Done Right Promise in writing.
Serving Richland Hills, TX - Our Local Coverage Area
We’re based in the Richland Hills 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 Richland Hills
Most cracked boots on 1960s Richland Hills slab homes are repairable with mastic sealant and collar reinforcement, provided the metal itself isn’t rusted through. We recently handled a Duct Repair & Sealing job on a 1963 ranch home on Forest Park Drive where the original sheet-metal boot connection at the living room register had completely separated from the plenum due to decades of foundation movement. We sealed the gap with mastic and re-insulated the exposed flex duct with R-8 wrap, restoring full airflow and stopping the crawl-space leakage. Full replacement becomes necessary only when the boot metal is corroded or the collar is too distorted to reseat. Call (866) 347-2063 and we’ll camera-inspect to give you a straight answer - estimates are free.
Drafty attic ductwork after our HVAC Cleaning in Richland Hills almost always means leaks at joints, seams, or connections that cleaning doesn’t address. In Richland Hills’s 1950s-1970s ranch homes, decades of attic heat cycling have loosened metal duct connections and degraded fiberglass board seals - the cleaning removed the dirt but not the gaps. We seal every accessible joint with mastic and replace degraded insulation to stop conditioned air from escaping before it reaches your registers. The fix typically runs $280-$450 for a full system seal. Call (866) 347-2063 for an inspection and exact quote.
Insulation replacement is needed when the existing wrap is degraded, compressed, or missing - common in Richland Hills attics where 60+ years of heat cycling have destroyed fiberglass facing and reduced R-value. Sealing alone is sufficient when insulation is intact but joints are leaking. We camera-inspect and photograph both conditions so you can see the difference. If your ducts are sweating in summer or the attic air near the trunk feels noticeably cooler than your living room, insulation is likely the bigger problem. Typical re-insulation runs $480-$720; sealing alone is $280-$450. Call for a free assessment with photos.
Fiberglass duct board can sometimes be repaired with specialized sealant and reinforcement if the damage is limited to surface degradation or small cracks. However, in most Richland Hills homes of this vintage, the duct board has reached end of service life - the binder has degraded, the facing has delaminated, and the structural integrity is compromised. We evaluate each section individually and will tell you honestly which can be repaired and which needs replacement. Replacement with modern insulated duct board or metal duct with R-8 wrap meets current efficiency standards and eliminates fiber shedding. Call (866) 347-2063 for a camera inspection and straight recommendation.
Yes - mold odor when the AC runs strongly suggests moisture accumulation inside ductwork, and in 1972 Richland Hills slab homes the most common source is conditioned air leaking into the cool crawl space through separated boots or cracked plenum connections. The humid crawl space air condenses on the leaking cool air, creating persistent moisture that supports mold growth. We see this pattern regularly in Richland Hills’s Blackland Prairie clay soil zone, where foundation movement has stressed slab penetrations for decades. Repair requires sealing the leaks with mastic, reseating boots, and often replacing degraded insulation - typically $320-$580 depending on extent. Call (866) 347-2063 for same-day inspection; this condition only worsens with time.
We’re here when you need us. Call Bellows Air Duct & Vent Co. of Texas at (866) 347-2063 for our Dryer Vent Cleaning in Richland Hills or a free estimate on duct repair and sealing. We’ll camera-inspect your system, show you exactly what’s failing, and quote one honest price before any work begins. Our 90-Day Done Right Promise means if it’s not right, we make it right - no paperwork, no arguing. We’ve stood behind that since 1984.
Written by Wade Kellerman, Owner at Bellows Air Duct & Vent Co. of Texas, serving Richland Hills since 1984.