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 Sealing Across Mesquite
Duct sealing in Mesquite typically runs $350 – $850 for a whole-house seal on a single-story home, and most jobs are completed in one scheduled visit. If your back bedrooms never cool or your utility bills keep climbing, the problem is often leaking attic flex duct, not your HVAC unit itself.
We’re Hollis Air Duct Cleaning, and our crews work Mesquite regularly from our Las Vegas dispatch office. We know the 1960s – 1990s slab-on-grade ranches from the original developments near Town East Mall to the newer infill around Mesquite Boulevard. Those homes carry decades of original flex duct that bakes in attics hitting 140°F through July and August. The factory tape dries out. Seams open. Roofers step on runs. We find it every week. Call (361) 326-5060 for a free estimate, or read on to see what we typically find in Mesquite attics and what it costs to fix.
Why Hollis Air Duct Cleaning Is Mesquite’s Preferred Duct Sealing Company
We’ve been in business since 2004 as part of the Garrison Partners family, and our Duct Sealing team follows The Garrison Standard on every Mesquite job: arrive inside the quoted window, price the work in writing before touching anything, finish by the book, and leave the site clean. Roy Castellanos leads our operation, and that standard applies whether we’re sealing ducts in a 1975 ranch near Galloway Avenue or a 1990s build off Belt Line Road.
Mesquite homeowners call us back because we don’t play the bait-and-switch game that’s common in this trade. The price we write down is the price you pay. No per-vent add-ons. No “we found another problem” surcharges once the van is in your driveway. Our technicians are background-checked and uniformed, and our phones are answered by a live person 24 hours a day, 7 days a week. Every repair is backed by our 365-Day Done Right Promise: if the work fails within a year, we return and make it right at no charge, including a free second visit.
Duct Repair in Mesquite
Duct Repair in Mesquite is often the necessary first step before sealing can do any good. In this city’s stock of older slab-on-grade homes, we regularly find flex duct that has been crushed, torn, or completely disconnected by other trades working in the attic. A seal won’t fix a duct that has no structural integrity left.
A typical duct repair in Mesquite runs $200 – $500 per damaged run, depending on accessibility and whether the boot or collar needs replacement. We always inspect with a camera first, so you see what we see before any work starts.
Crushed Runs and Disconnected Boots
Original flex duct in Mesquite attics is lightweight and easy to damage. Roofers replacing shingles, pest control techs laying bait stations, or even homeowners storing holiday decorations can crush a run flat or kick a boot loose from its register. We put a camera through the system, locate the damage, and repair or replace the affected section before sealing the rest.
Mismatched Segments from Partial Replacements
Many Mesquite homes have had their original HVAC condenser or air handler replaced while the ductwork stayed put. New equipment gets bolted to old ducts with mismatched connection sizes. Those junctions are the first place seals fail. We resize or adapt the connection, then seal it properly so the new equipment can actually deliver its rated airflow.
Air Duct Sealing in Mesquite
Air Duct Sealing in Mesquite addresses the slow, invisible leaks that develop in attic flex duct over decades of heat cycling. The factory insulation degrades. The foil tape dries to dust. What starts as a few loose seams becomes a system that’s dumping 20 – 30% of your conditioned air into a 140°F attic before it ever reaches your living room.
Whole-house duct sealing in Mesquite typically costs $350 – $850 for a single-story home with accessible attic ductwork. Two-story homes or systems with extensive damage may run higher. We use professional-grade mastic and reinforced tape, not the hardware-store foil tape that failed in the first place. The seal is mechanical and permanent.
Mastic Sealing for Original Flex Duct
For Mesquite’s 1970s – 1980s flex duct that’s intact but leaking at seams, we apply duct sealing mastic, a thick, brush-on compound that remains flexible after curing. It fills gaps the original tape missed and bonds to the duct jacket even where the factory adhesive has failed. We seal every accessible supply and return joint, including the plenum connections and register boots.
Supply and Return Balancing
After sealing, we measure static pressure and airflow at each register. Mesquite’s older homes often have supply runs that were never properly balanced when the house was built. Sealing fixes the leaks; balancing makes sure every room gets what it was supposed to get. The homeowner feels the difference immediately, especially in those back bedrooms that never cooled before.
Trusted Brands We Service in Mesquite
Our equipment roster includes Nikro negative-air machines for containment during repair work, Honeywell and Aprilaire filtration products, and Abatement Technologies HEPA systems. We stock common duct boots, collars, and mastic supplies so Mesquite homeowners aren’t waiting on parts orders. For filtration upgrades after sealing, we typically recommend Honeywell or Aprilaire media cabinets with MERV 11 – 13 filters, sized to the system we just sealed. The right filter on leaky ducts just loads up faster; the right filter on sealed ducts actually cleans the air moving through your home.
Common Duct Sealing Problems We See in Mesquite Homes
- Failed factory tape on original flex duct. The foil tape applied in Mesquite’s 1970s – 1980s builds was never rated for three decades in 140°F attics. It dries, cracks, and peels, leaving seams that leak conditioned air continuously into the attic space.
- Crushed runs from roof and pest work. In neighborhoods near Town East Mall, we regularly find flex duct flattened by roofers walking to the ridge or pest control techs crawling to soffits. The duct looks fine from the register but delivers almost no airflow.
- Mismatched junctions from partial HVAC replacements. When a Mesquite homeowner replaces the condenser but keeps the original air handler and ductwork, the new equipment’s larger blower often overwhelms old seals. We see this at the plenum connection and at any transition between rigid and flex sections.
- Disconnected boots behind drywall. The register boot, the metal box that connects duct to ceiling vent, can separate from the flex run entirely. Homeowners feel “warm spots” near the ceiling where attic air is being pulled into the room through the gap.
Pricing for Duct Sealing in Mesquite, NV
Here’s what duct sealing actually costs in Mesquite’s market:
| Service | Typical Range |
|---|---|
| Duct sealing, whole-house single-story | $350 – $850 |
| Duct sealing, two-story or complex attic | $650 – $1,200 |
| Duct repair per damaged run | $200 – $500 |
| Boot/collar replacement with seal | $150 – $350 each |
| Camera inspection and written estimate | Free |
What moves the price: accessibility of attic ductwork, number of supply and return runs, extent of damage found during inspection, and whether repairs are needed before sealing can begin. We always inspect first, write the full price, and get your approval before any work starts. One flat price per system. No per-vent pricing. No add-ons at the door. Call (361) 326-5060 for your free estimate.
We Also Serve Cities Near Mesquite
Our crews also handle Duct Sealing in Mesquite area calls from Nellis AFB, North Las Vegas, Boulder City, and Las Vegas itself. Scheduling and dispatch are coordinated from our Las Vegas office, with local crews serving each community directly.
Serving Mesquite, NV - Our Local Coverage Area
We’re based in the Mesquite 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 About Duct Sealing in Mesquite
Most 1978 flex duct in Mesquite can be sealed if the runs are intact and not crushed. We inspect with a camera first. If the duct jacket is torn, the insulation is saturated, or a run has been flattened, that section needs repair or replacement before sealing. Sealing intact but leaky original duct is often the right fix, and it costs far less than full replacement. Call (361) 326-5060 and we’ll tell you what we see.
Mesquite’s housing stock is 30 – 50 years old with original flex duct that has baked in attics hitting 140°F every summer. Newer suburbs have rigid duct systems, better initial sealing, and attics that were designed with access in mind. Here, the original materials have simply aged out, and the combination of older construction plus North Texas’s industrial corridor dust load makes leaks more consequential for both comfort and indoor air quality.
Yes. We find crushed or disconnected runs in Mesquite attics constantly after roof replacements and pest treatments. Flex duct is lightweight and easily stepped on or kicked loose. The damage often isn’t visible from the living space; homeowners just notice the back bedroom never cools or the utility bill jumps. A camera inspection finds it in minutes.
Sealing helps significantly if your system is pulling attic air and dust through leaks. Mesquite’s location downwind of industrial corridors plus spring pollen loads means there’s plenty of particulate to pull in. However, sealing alone doesn’t remove existing duct contamination. For allergy complaints, we often recommend sealing first, then duct cleaning, then upgrading to a MERV 11 or higher filter in a properly sized housing. The sealed system keeps the filtration working as designed instead of bypassing it through leaks.
For most Mesquite homes with sealed ductwork, we recommend MERV 11 as the practical sweet spot, or MERV 13 if allergy sensitivity is high. Higher is not always better: a MERV 16 filter on a system with an undersized return or weak blower can actually reduce airflow and strain the equipment. After we seal your ducts, we measure static pressure and recommend the highest rating your system can handle without performance loss. Honeywell and Aprilaire make excellent media filters in these ratings.
We were called to a single-story ranch near Town East Mall where two back bedrooms never cooled, and when we put a camera through the main trunk we found a crushed run of original flex duct that roofers had stepped on years earlier, plus a duct boot that had come loose from the register. We resealed the disconnected collar and boot, then cleaned and sealed the remaining supply and return ducts to restore airflow to those rooms - the homeowner said the back rooms finally matched the rest of the house. For ongoing maintenance, we also offer Mesquite Dryer Vent Cleaning to keep your whole ventilation system safe and efficient.
Mesquite’s 1960s – 1990s slab-on-grade ranch homes still carry a lot of original attic flex duct, and because North Texas summers push attic temps into the 140s°F, that duct’s factory insulation and tape wraps often fail decades before the rest of the system does – which is why sealing, not replacement, is frequently the correct fix here. We’ve put this to the test on hundreds of Mesquite jobs. The camera doesn’t lie. The written price doesn’t move. And the 365-Day Done Right Promise means if our seal fails, we come back and make it right at no charge.
Ready to stop losing conditioned air to your attic? Call (361) 326-5060 for a free written estimate. We’ll inspect your ductwork with a camera, show you exactly what we find, and give you one flat price to seal it right.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Mesquite and the greater Las Vegas valley since 2004.