Fast, Reliable Duct Repair & Sealing Across Addison
Duct repair and sealing in Addison typically costs $280-$650 for residential jobs, with most completed same-day by our Duct Repair & Sealing team. We answer calls live at (844) 685-6342, 24 hours a day, and our technicians are usually on-site in Addison within two hours.
We’ve worked the apartment corridors and mid-rise buildings along Belt Line Road, Quorum Drive, and Arapaho Road for decades. Addison’s tight urban layout - loading docks off alleys, limited visitor parking, security gates at every complex - means we arrive prepared for access constraints that suburban crews rarely encounter. Our trucks carry the right equipment for jobs where the work zone is a closet-sized mechanical room on the fourth floor, not a spacious garage in Frisco.
Most Addison residents live in buildings put up between the late 1970s and mid-1990s. That ductwork is now 30-45 years old. Original flexible duct has sagged, kinked, or pulled loose at the collars. Shared air handlers move air - and contaminants - between units when seals fail. We’re familiar with these buildings. We know the access codes, the loading procedures, and the property managers who want the job done fast and done quietly.
Why Bellows Air Duct & Vent Co. Is Addison’s Preferred Duct Repair & Sealing Company
We’ve served the Dallas-Fort Worth area since 1984, and Addison has been part of our route for most of those 42 years. Our technicians know the difference between a 1982 vintage flex run in the Midway Meadows corridor and a 1994 install near the Addison Circle district. That matters when you’re diagnosing why unit 4B can’t hold temperature while 4C is freezing.
Our reviews from Addison customers consistently mention two things: we show up when we say we will, and the price on the phone matches the price on the invoice. No bait coupons. No upsells at the door. Ray Castillo built this company on that principle, and we haven’t wavered.
Response time to Addison averages under two hours during business hours, and our emergency line - answered by a live person, never a voicemail tree - dispatches after-hours calls to the on-call technician immediately. Most repairs are completed in a single visit. Our 90-Day Done Right Promise covers every job: if it’s not right, we return at no charge. No paperwork to file. No arguing.
We’re also the company that property managers along Belt Line Road call when a restaurant exhaust leak is migrating into residential units. That specific problem - grease-laden vapor finding paths through shared duct chases - is almost unique to Addison’s restaurant-dense footprint. We’ve solved it before. We’ll solve it again.
Our Duct Repair & Sealing Services in Addison
Duct Sealing
Addison’s shared-air-handler buildings lose efficiency and indoor air quality through gaps at plenum connections, register boots, and crossover ducts. We seal with mastic compound and fiberglass mesh - not tape, which dries and fails in Dallas heat - restoring system pressure and preventing cross-unit contamination. In restaurant-adjacent buildings, proper sealing also blocks odor migration from commercial exhaust systems.
Flex Duct Repair
The original flex duct in Addison’s 1980s apartment stock was never designed for 45 years of continuous operation. Our crew recently sealed a collapsed flex duct run in a 1980s apartment near Quorum Drive and Belt Line Road, replacing the original kinked flexible ductwork with rigid metal and mastic sealant to prevent debris trapping and cross-unit contamination. We see this scenario regularly: sagging flex compressed above drop ceilings, fully detached from collars, or split at stress points. We repair or replace with materials rated for the application.
Metal Duct Repair
Commercial kitchen exhaust and main trunk lines in Addison’s restaurant corridor take abuse that residential systems rarely see. Grease accumulation degrades sealing joints and corrodes metal over time. We repair separated seams, replace damaged sections, and reseal with high-temperature mastic rated for commercial exhaust applications. Camera inspection before and after documents the condition - visual proof, not just a claim.
Duct Insulation
Dallas summers keep attic and chase temperatures extreme for months. Uninsulated or degraded duct insulation in Addison’s older buildings forces HVAC systems to overcome heat gain before conditioned air ever reaches the register. We install foil-faced fiberglass insulation or closed-cell foam where appropriate, sized to the actual duct dimensions - not the one-size-fits-all wraps that leave gaps at fittings.
Mastic Sealant Application
Mastic is our standard for sealing in Addison. Unlike foil tape, which degrades in heat and vibration, mastic remains flexible and airtight for decades. We brush or trowel it at every joint, seam, and penetration, reinforced with mesh at stress points. For commercial exhaust systems near Belt Line Road’s restaurant row, we specify high-temperature, grease-resistant formulations that standard residential products can’t match.
Air Leak Repair
Leaks in Addison’s aging systems often occur at points invisible without camera inspection: collapsed internal liners, rust-through at condensate collection points, and separations where original installers used zip ties instead of proper collars. We locate, document, and repair - then verify with after-camera footage that the seal holds under operating pressure.
What happens when you call
- 1
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.
Trusted Brands We Service in Addison
Our trucks stock parts and materials from Rotobrush, Nikro, and Abatement Technologies - the same brands serious HVAC contractors specify for commercial and residential ductwork. For Addison customers, this means we rarely need to order and return. A typical flex duct repair near the Addison Airport corridor or along Marsh Lane uses materials we have on the truck, completed start to finish without a second trip. That matters in buildings where scheduling access requires coordinating with property management and working within strict time windows.
Common Duct Repair & Sealing Problems We See in Addison Homes
- Collapsed flex ducts above drop ceilings in 30-45 year old apartment corridors. The combination of age, debris weight, and near-constant mechanical stress from systems that rarely shut off in Dallas summers causes original flexible duct to sag, kink, or detach entirely. Airflow drops. Energy bills climb. Debris traps accelerate.
- Grease-laden commercial exhaust ducts with failed sealing joints. With over 150 restaurants in just 4.4 square miles, Addison’s commercial HVAC ducts trap grease and cooking vapors at rates that often require specialized sealing to prevent odor migration and fire hazards. Standard residential sealing compounds fail; we specify commercial-grade, high-temperature mastic.
- Shared-air-handler configurations with unsealed gaps between units. In Addison’s multi-family buildings, one compromised seal can distribute contaminants - cooking odors, mold spores, construction dust - across multiple units. Proper sealing isolates each unit’s air stream.
- Original duct insulation degraded by decades of attic heat. Dallas-area temperatures in unconditioned chases and attics exceed 140°F regularly. Fiberglass insulation compresses, foil facing delaminates, and R-value drops to near zero. We replace with materials rated for the actual conditions.
Pricing for Duct Repair & Sealing in Addison, TX
A typical flex duct repair in Addison runs $280-$420. Metal duct section replacement runs $340-$550. Full system sealing with mastic, including register boots and plenum connections, runs $450-$650 for an average apartment or townhome system. Commercial kitchen exhaust sealing starts at $520 and scales with duct length and access difficulty.
What moves the number: access (drop ceiling removal and replacement adds time), extent of damage (single joint versus multiple collapsed runs), and material type (rigid metal costs more than flex but lasts longer in Addison’s heat). We disclose the full price before lifting a tool. The number we give on the phone is the number on the invoice.
Current standing offers: $50 off any repair over $250. Free second opinion on any written estimate. Permanent 5% senior and veteran discount. Call (844) 685-6342 for a free estimate - we’ll inspect with camera, explain what we find, and give you the price before you decide.
| Service | Typical Range in Addison |
|---|---|
| Flex duct repair (single run) | $280 - $420 |
| Metal duct section replacement | $340 - $550 |
| Full system mastic sealing | $450 - $650 |
| Commercial exhaust duct sealing | $520 - $780 |
| Duct insulation replacement | $380 - $620 |
We Also Serve Cities Near Addison
Our Duct Repair & Sealing in Addison coverage extends to Carrollton, Farmers Branch, University Park, and Richardson. Same trucks, same technicians, same upfront pricing and 90-Day Done Right Promise. If you’re in a border neighborhood and unsure which zone you’re in, call - we’ll tell you straight.
Serving Addison, TX - Our Local Coverage Area
We’re based in the Addison 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 Addison
The mechanical damage from 30-45 years of continuous operation in original flex duct can’t be cleaned away. Kinked, collapsed, or detached duct runs need physical repair or replacement before cleaning is even possible. In Addison’s 1980s apartment stock, we regularly find ductwork that has failed structurally - cleaning alone would be like washing a flat tire. Call (844) 685-6342 and we’ll camera-inspect to show you exactly what you’re dealing with. Estimates are free.
Yes, when the odor path is through compromised duct joints or shared chase walls. Addison’s restaurant density means commercial exhaust systems operate at high volume near residential buildings. If your unit smells like fry oil or grill smoke, the seal between your duct system and adjacent commercial exhaust may have failed. We locate the breach with camera inspection and seal with mastic rated for the application. Call (844) 685-6342 - we’ll diagnose whether sealing will solve your specific odor path.
Standard foil tape degrades in 2-3 years of Dallas-area attic temperatures. We use brush-applied mastic compound, which remains flexible and airtight for decades in heat up to 180°F. For commercial exhaust near Addison’s restaurant row, we specify high-temperature formulations that resist grease degradation. The material choice matters here more than in milder climates. We select for the actual conditions your ducts experience.
Leaky ducts can increase HVAC energy consumption by 20-30% according to Department of Energy estimates, and in Addison’s heat that penalty runs year-round. If your system runs constantly but comfort is uneven - some rooms hot, others cold - duct leakage is a likely cause. We pressure-test and camera-inspect to quantify the loss before recommending repair versus sealing. Call (844) 685-6342 for a free estimate with upfront pricing.
Yes, when done with proper materials and methods. Sealing gaps in shared systems actually improves safety by preventing fire, smoke, and contaminant migration between units. We use mastic and mechanical fasteners - never temporary tape - and verify seal integrity with pressure testing. In Addison’s multi-family buildings, this is standard practice we perform regularly. Our work is backed by the 90-Day Done Right Promise: if the seal doesn’t hold, we return at no charge.
Call Bellows Air Duct & Vent Co. at (844) 685-6342 for duct repair and sealing in Addison. We answer live, 24 hours a day. Free estimates. Upfront pricing. Camera-verified results. And a 90-Day Done Right Promise in writing - because we stand behind it, no paperwork, no arguing.
Written by Ray Castillo, Owner at Bellows Air Duct & Vent Co., serving Addison and the Dallas-Fort Worth area since 1984.