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.
Fast, Reliable Duct Repair & Sealing Across Celina
Duct repair and sealing in Celina typically costs $280-$650 for a whole-system seal on a standard single-family home, with flex-duct repairs running $180-$340 per run and metal duct patching at $220-$480 depending on access. Most Celina jobs are scheduled within two to three business days, and every appointment starts with a written price before any panel comes off. Call (940) 290-8552 for a free estimate with no obligation.
We serve Celina from our Dallas-Fort Worth dispatch office, with crews running daily routes through Light Farms, Mustang Lakes, and the Preston Road corridor. If your upstairs zone never keeps up, your utility bills spike every May when the cooling season hits, or you’ve noticed dust blowing from registers in a home you bought new, you’re seeing the same patterns we document in Celina homes every week. Our Duct Repair & Sealing team doesn’t guess - we photograph every duct run before and after, and we put the price in writing before the first tool comes out of the van.
Why CleanRun Air Duct Cleaning Frisco Is Celina’s Preferred Duct Repair & Sealing Company
CleanRun has been independently owned and operated under the Haven Standard since 2013. We’ve served more than 52,000 homes, every one with a written price before work started and a documented photo record when the crew left. Celina homeowners find us because they’ve already learned what a $79 coupon buys - a shop-vac noise and a handshake. We deliver something they can keep: the photo record, the written scope, and the 365-Day Done Right Promise backed in writing on every job.
Our technicians are background-checked, uniformed, and identified by name before arrival - Haven Standard Clause 3: Verified Crews. The equipment on our Celina jobs includes Rotobrush agitation systems, Nikro HEPA-negative-pressure extractors, and sealing products from Honeywell and Guardsman that customers can look up before they agree to a price. We don’t ask you to trust a brand slogan. We show you what the camera found inside your plenum, then we show you the sealed result.
Every call is answered by a live person, 24/7. Scheduling to Celina runs on regular routes through Prosper and Frisco, so we’re not sending a truck from downtown Dallas and charging you for the mileage.
Our Duct Repair & Sealing Services in Celina

Duct Sealing
Because nearly every Celina home was built after 2016 in still-active master-planned developments, duct sealing here is less about repairing age-related failure and more about correcting builder-phase seams - improperly mastic’d plenum joints, unsealed flex-duct collars, and boot-to-floor gaps that were never airtight from day one. On the Blackland Prairie’s expansive clay, those same ducts also shift as soil moisture moves, so a seal that was marginal at handover can open into a measurable leak within a few cooling seasons. We seal with mastic and fiberglass-reinforced tape rated for attic temperatures, then pressure-test to verify the correction. A typical whole-system duct seal in Celina runs $280-$650.

Air Leak Repair
Air leaks in Celina’s new construction almost always trace to the same locations: the plenum-to-furnace connection, branch takeoffs from the main trunk, and the transition from rigid duct to flex at the boot. Production builders in developments like Light Farms and Mustang Lakes often leave these joints sealed only with foil tape, which degrades in attic heat within three to five years. We open the joint, remove failed tape, apply mastic sealant, and reinforce with mesh. Per-leak repair in Celina typically runs $180-$340, depending on whether the leak is accessible from the attic or requires register removal.

Mastic Sealant Application
Mastic is a water-based, fiber-reinforced sealant that remains flexible after curing - critical in Celina, where Blackland Prairie clay expansion and contraction stress rigid duct joints seasonally. We apply mastic with a brush or caulking gun to all longitudinal seams, transverse joints, and penetrations, then embed fiberglass mesh at stress points. This is the standard specified by ACCA Manual D and ASHRAE 62.2, and it’s what we use on every Celina job rather than relying on tape alone. Mastic sealing as a standalone service for accessible attic ductwork runs $220-$480.

Flex Duct Repair
Celina’s production builders use extensive flex-duct runs for second-story zones, and these are where we find the most concentrated builder-phase contamination. The inner liner tears at sharp bends, insulation compresses where straps overtighten, and the vapor barrier separates from the core. We replace damaged sections with new insulated flex duct, seal with mastic at both collars, and support with wide straps to prevent recurrence. Flex-duct replacement per run in Celina runs $240-$520.

Metal Duct Repair
Where Celina homes have galvanized steel trunk lines - common in larger two-story plans from Highland Homes and D.R. Horton - we patch holes, reinforce seams, and seal with mastic and drive cleats. Rust is rare in Celina’s dry attics, but we do find punctures from trades walking ductwork during construction and separations at slip joints that were never screwed and sealed. Metal duct repair typically runs $220-$480 depending on access and extent.

Duct Insulation
Attic ductwork in Celina loses efficiency to radiant heat gain from May through September, when attic temperatures regularly exceed 140°F. We install foil-faced fiberglass insulation or closed-cell foam wrap at R-6 or R-8 value, sealed with matching tape at all seams. Insulation retrofit for a standard Celina system runs $380-$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.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Celina
Our Celina crews carry sealing and repair products from Honeywell, Aprilaire, and Guardsman - brands with published specifications customers can verify before work begins. We don’t use generic hardware-store tape or unlabeled mastic. For repairs requiring replacement components, we stock common flex-duct diameters, insulated collars, and register boots sized for the production-builder plans that dominate Celina’s housing stock. That means no waiting on parts for a standard repair. Equipment details are documented on every written scope, so you know what was applied where.
Common Duct Repair & Sealing Problems We See in Celina Homes

- Builder-phase contamination sealed inside branch lines. Drywall dust, sawdust, and insulation fibers that production builders left in ductwork at handover now pack against flex-duct interior walls, restricting airflow and providing a medium for ongoing particulate accumulation. In Celina homes under five years old, this is the norm, not the exception.
- Unsealed plenum joints and flex-duct collars from production-builder installs. Air leaks into attics and garages rather than into conditioned rooms, forcing HVAC systems to run longer to hit setpoints. We regularly measure 15-25% airflow loss at these joints in Celina homes that passed builder inspection.
- Boot-to-floor and register gaps that open as Celina’s expansive Blackland Prairie clay dries and cracks. The soil movement stresses floor penetrations, pulling gaps that draw fine clay particulate and heavy spring pollen straight into return air. These gaps widen gradually and are rarely visible without removing the register.
- Second-story zones that never keep up. The combination of long flex-duct runs, builder-phase debris, and unsealed collars starves upstairs registers of designed airflow. Celina homeowners often assume their system is undersized; more commonly, it’s leaking 20% of its capacity before the air reaches the room.
Pricing for Duct Repair & Sealing in Celina, TX
We publish ranges because Haven Standard Clause 1 requires a written price before any work starts - no exceptions. Here is what duct repair and sealing costs in Celina’s market:
| Service | Typical Range in Celina |
|---|---|
| Whole-system duct sealing (mastic + pressure test) | $280 - $650 |
| Per-leak air leak repair (accessible attic) | $180 - $340 |
| Mastic sealant application, accessible trunk | $220 - $480 |
| Flex duct repair / replacement per run | $240 - $520 |
| Metal duct patching / seam reinforcement | $220 - $480 |
| Duct insulation retrofit, standard system | $380 - $720 |
What moves a Celina job toward the higher end: multiple second-story runs requiring attic access, contamination requiring source removal before sealing can be effective, and systems with zoned dampers that must be reset after duct modification. What keeps it lower: single accessible leaks in open attics, straightforward collar resealing, and systems already cleaned. Every estimate is free, delivered in writing, and valid for 30 days. Bring a competitor’s written quote and we’ll provide a Free Second Opinion - our number next to theirs, no charge.
We Also Serve Cities Near Celina

Our crews run regular routes through Prosper, Frisco, McKinney, and Little Elm, with scheduling coordinated from our Dallas-Fort Worth office. If you’re in one of these neighboring communities, the same written pricing, documented photo record, and 365-Day Done Right Promise apply. Celina homeowners receive priority scheduling on routes through the Preston Road corridor.
Serving Celina, TX - Our Local Coverage Area
We’re based in the Celina 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 Celina

Yes. In Celina’s post-2016 production-built homes, duct sealing is almost always about correcting builder-phase defects, not age-related wear. Production builders routinely leave plenum joints un-mastic’d, flex-duct collars unsealed, and boot-to-floor gaps that leak from day one. We’ve sealed systems in two-year-old Celina homes that were losing 20% of designed airflow to attic leaks the builder never checked. Call (940) 290-8552 for a free inspection - we’ll photograph what we find and put the repair price in writing before any work starts.
It looks like drywall compound powder caked on flex-duct interior walls, sawdust packed at elbows, and insulation fibers settled against the return-air plenum - material that was never cleaned out before the system was powered on at handover. In Light Farms and Mustang Lakes, we regularly open returns in homes the owners believe are “practically new” and find this debris restricting airflow and providing a surface for ongoing particulate accumulation. The camera shows it clearly; the photo record is yours to keep as part of every standard job.
Because the source was never fully removed, or because new contamination enters through leaks that were never sealed. In still-active master-planned developments, adjacent lots continue generating fine clay and concrete particulate from grading and framing activity - Celina’s open lots with minimal mature tree cover provide no windbreak. If your duct system has unsealed collars or boot gaps, that particulate gets pulled straight into the return air every time the system cycles. Cleaning without sealing is temporary; sealing without cleaning leaves the medium in place. We do both, document both, and guarantee the result for 365 days.
We pressurize the duct system with a calibrated fan and measure total leakage against the conditioned floor area - a blower-door-style test adapted for ductwork. For zoned systems common in Celina’s two-story plans, we can isolate zones to pinpoint which trunk or branch is leaking. Smoke pencils and infrared cameras locate the exact joint without removing drywall. The test itself takes 30-45 minutes, produces a written leakage report, and informs the written repair scope before any sealing begins.
We follow NADCA ACR guidelines for assessment and cleaning, and we seal to ACCA Manual D and ASHRAE 62.2 standards for duct construction and leakage - the specifications that actually govern airtightness performance. For Celina tract homes, this matters because production builders often meet only minimum code at inspection, and code in Texas does not require pressure testing of residential ductwork. A NADCA cleaning without performance-standard sealing leaves the leaks that caused the contamination. We do both, test the result, and document the before-and-after leakage numbers in your job record.
Schedule Your Free Duct Repair & Sealing Estimate in Celina
Every Celina job starts with a written price, includes a Documented Photo Record of every duct run, and is backed by the 365-Day Done Right Promise - if it’s not right, we make it right, in writing, not as a favor. No per-vent pricing. No teaser coupons. No call-for-a-quote runaround. Call (940) 290-8552 to speak with a live person and schedule your free estimate. We’ll put our number next to any competitor’s written quote with our Free Second Opinion, and we’ll show you what the camera sees before you decide.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Celina since 2013.




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