Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-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.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
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Before
AfterHow Much Does Duct Repair & Sealing Cost in Arvada?
Duct repair and sealing in Arvada typically costs between $350 and $1,100 for most residential jobs in 2026, with small single-connection fixes landing near the low end and whole-system sealing or a major trunk line replacement climbing toward $1,100 or more. A typical disconnected joint or crushed flex run that needs reconnecting and sealing runs $350 to $650. Ductwork that’s torn, sagging, or leaking across several runs often falls in the $650 to $1,100 range. Once we’ve seen what’s inside your system, we put the final figure in a written estimate that sets the price – no surprises on the invoice.
If you’ve noticed a room that never gets warm, dust settling faster than it used to, or a musty smell when the furnace kicks on, those are the signals that lead most Arvada homeowners to call us in the first place. Ductwork in this city takes a particular beating: houses here sit through dry winters with indoor humidity that drops into the teens, and that wood-framed duct chases and flex connections dry out, loosen, and pull apart. Add the temperature swing between a cold January morning and a July afternoon, and the joints get worked back and forth until they leak. See what’s inside your system, and you’ll know what you’re dealing with.
Duct Repair & Sealing Cost Breakdown (2026)
Here’s what typical duct repair and sealing work runs in the Arvada market. These are estimated ranges for common residential jobs – your written estimate sets the final price based on what we actually find.
| Job Type | Typical 2026 Range (Arvada) |
|---|---|
| Single disconnected joint – reconnect and seal | $175 – $350 |
| Sealing leaks at accessible joints (per run) | $85 – $200 |
| Crushed or kinked flex duct – replace a single run | $250 – $500 |
| Ripped or torn rigid duct – patch and seal | $300 – $600 |
| Mastic sealing of entire accessible trunk line | $450 – $900 |
| Replacing a section of trunk duct | $600 – $1,400 |
| Full system sealing with aeroseal-style duct sealing | $900 – $1,800 |
| Duct repair combined with full duct cleaning | $500 – $1,200 |
| Adding or rerouting a supply run | $400 – $800 |
| Return duct repair or replacement | $350 – $900 |
The biggest driver of price is access. Ductwork in a finished basement ceiling or a tight crawlspace takes more time to reach, and that labor is what pushes a job up the range. Materials run a distant second – flex duct, mastic, and foil tape are inexpensive compared to the hours required to get into a tight mechanical closet or under a low deck. Contamination comes into it too: if your ducts haven’t been cleaned in years, we often recommend cleaning before we seal, because sealing over a dirty system traps the debris inside. That’s why some quotes bundle repair and cleaning together, while others don’t.
What Affects Duct Repair & Sealing Pricing in Arvada
- Access and layout. A house with ducts running through a wide-open unfinished basement is a simpler, cheaper job than one where the trunk line snakes behind drywall in a finished ceiling. Crawlspace work takes longer, and that time shows up in the estimate.
- Number of problem runs. One crushed flex run near a register is a quick fix. Six leaking joints across the whole system takes more labor and more materials, and the price climbs accordingly. We map the problems before quoting, so you know exactly what you’re paying for.
- Age and condition of the ductwork. Older Arvada homes – especially the mid-century builds scattered across the city’s established neighborhoods – often have sheet metal ductwork with taped joints that have long since failed, or original flex runs that have collapsed over time. Newer construction in the western neighborhoods tends to have tighter systems, but we still find gaps at the plenum and register boots.
- Duct type. Rigid sheet metal, flex duct, and ductboard all repair differently. Flex is often faster to replace a run outright than to patch. Rigid duct usually gets patched and sealed. That trade-off changes the labor line.
- Local building codes. Arvada follows standard code requirements for duct sealing, and a permit is usually required for any ductwork modification that penetrates walls. We’ll tell you upfront if your job needs one, so you can factor that in.
- Whether you add cleaning or filtration. Repairing and sealing a system without cleaning it first is like sealing a dusty box – the dust stays. Many homeowners pair the work with a full duct cleaning Arvada visit so the system is clean and sealed in one go, and some add a heavier filter or an Aprilaire or Honeywell filtration upgrade to keep it that way.
Can You Fix Leaky Ducts and Show Me What’s Actually Wrong?
Yes – we diagnose duct problems with a camera and pressure testing, not a sales pitch. Duct repair is a core service for us, not a referral or an upsell. When technicians arrive, they inspect accessible ductwork, check for disconnected joints, crushed flex, torn insulation, and leaks at the plenum and boots. Then they show you what they found before quoting anything. That’s the difference between a cleaning company that refers out repair work and a service that cleans it and fixes it. Our technicians have up to 12 years of experience with duct systems, and they diagnose and repair structural problems on the same visit whenever the parts and access allow.
The repair itself is straightforward once the problem is located. Disconnected joints get reconnected with proper fittings and sealed with mastic or foil tape formulated for HVAC use – not the cheap grey duct tape that hardens and peels within a couple of seasons. Crushed or kinked flex runs get replaced. Torn rigid duct gets patched and sealed. Larger gaps at the plenum or trunk line get cut out and re-fitted. We use Abatement Technologies containment equipment on every job, so when we open the system to make a repair, we’re capturing dust and debris rather than letting it blow through your home.
What Does Duct Sealing Do, and Is It Worth the Cost in Arvada?
Sealing your ducts is usually worth it if you’re losing conditioned air through leaks – and in Arvada, most houses are. Homeowners here run the furnace hard for six or seven months of the year, and leaks at the joints mean some of that heat ends up in the crawlspace instead of the living room. Sealing those leaks typically pays back through lower heating bills over a few seasons, though the exact savings depend on how leaky the system was to begin with. The bigger payoff is comfort: rooms that never got warm before suddenly do, because the air is arriving where it’s supposed to. If your system is significantly oversized or has a lot of flex duct in unconditioned space, sealing it is one of the higher-value improvements you can make.
There are two ways to seal. Manual sealing applies mastic or specialized tape to accessible joints – plenum connections, register boots, trunk line seams. That’s the workhorse method for most repairs and costs less. Aeroseal-style sealing injects an aerosol sealant into the system that finds and plugs small leaks from the inside, including those in wall cavities you can’t easily reach. It costs more, but it catches leaks manual sealing misses. We’ll recommend whichever fits your system based on what the inspection shows.
How to Save on Duct Repair & Sealing in Arvada
There’s no magic discount, but a few practical steps keep the bill down. First, get the estimate in writing before any work starts – you should know the price and the scope before a technician opens a duct. Second, tackle the small things now. A $175 joint repair today can prevent bigger damage later, because a leaking duct in a cold crawlspace invites condensation, and condensation rots insulation and can shorten the life of the system. Third, bundle work: a repair combined with a cleaning visit is usually less than booking the two separately, and if your dryer vent hasn’t been cleaned, adding it to the same trip saves a second visit. A clogged dryer vent is a documented cause of house fires, so it’s worth doing while we’re there.
Fourth, ask about filtration upgrades while we’re on site. If your filter is a cheap fiberglass panel that catches almost nothing, upgrading to a compatible Honeywell or Aprilaire filter is a modest add and helps keep the clean system clean longer. Fifth, keep a record of what was done. When a system has a documented history of repairs, later technicians save time, and that saves you money on the next visit. Estimates are free – call (833) 370-4086 and we’ll talk through the options for your home.
Duct Repair vs. Replacement for Older Arvada Homes
For most homes, repair and seal beats replacement. If the ductwork is structurally sound but leaky at the joints, sealing it costs significantly less than replacing it and gets you most of the way to the same result. Replacement starts to make sense when the ductwork is undersized, the trunk line is failing across long sections, or the layout never worked in the first place and rooms were always cold. In those cases, spending on repairs repeatedly can cost more over time than a one-time replacement. We’re honest about which category your system falls into – if repair isn’t worth it, we’ll say so.
Older homes in Arvada’s historic downtown area often have original ductwork sized for a system that’s since been upgraded, and the mismatch shows. Newer homes out toward the western edge may have flex duct that has kinked at every turn because of tight framing. Both situations are common, and both are worth a proper look rather than a guess. Then we recommend repair versus replacement based on what the system actually needs, not a package price.
Why Choose a Duct Repair Specialist Instead of a Cleaning-Only Service?
Most companies that clean ducts leave the repair to someone else. That’s a problem, because a cleaning-only visit can’t fix a crushed run, and you end up paying twice – once for cleaning, once for the repair referred out to a third party. We treat duct repair as a core service. Technicians arrive with the tools and materials to diagnose and fix leaks, disconnected joints, and damaged runs on the same visit. And they have the right equipment for the job: Rotobrush and Nikro systems, the same professional-grade equipment specified by HVAC industry standards, not repurposed shop vacuums.
That’s why people in Arvada call us when their ducts are the problem. Better air starts with what you can’t see, and we’d rather show you than tell you. Whether it’s a repair, a cleaning visit, or a look at why your system seems to work against you, we’re set up to handle it. If you’re comparing who to call in the area, our service across Arvada is built around cleaning it and fixing it, not just one or the other.
FAQs – Duct Repair & Sealing Cost
How much does duct repair cost in Arvada?
Most duct repair jobs in Arvada run $350 to $1,100, with a single disconnected joint at the low end and a major trunk line or whole-system leak repair toward the top. The price depends on access, how many runs are affected, and whether cleaning is included. Call (833) 370-4086 for a free estimate – we’ll put the exact price in writing.
Can you fix leaky ducts and seal them the same day?
Yes, in most cases. A same-day visit pairs the inspection with the repair and sealing while the technician is on site, provided the problem is accessible and the needed parts are on hand. Fast dispatch from 7am to 7pm, Sunday through Friday. Call (833) 370-4086 to schedule.
Is duct sealing worth the money in Arvada?
For most leaky systems, yes. Sealing typically costs $450 to $1,800 depending on method and reach, and the payoff comes through lower heating bills and more even room temperatures – especially in an Arvada climate where the furnace runs much of the year. The rest of the savings depend on how leaky the system was. Call (833) 370-4086 for a free estimate.
How do I know if my ducts need repair or just cleaning?
A visual and pressure inspection tells you. If you see disconnected joints, crushed flex, or torn insulation, repair is needed. If leaks are minor and the ductwork is intact, cleaning plus sealing the accessible joints usually does the job. Call (833) 370-4086 and we’ll take a look – the estimate is free.
Do you seal ducts in crawlspaces and unfinished basements?
Yes. Crawlspace and unfinished basement ductwork is usually the easiest to access and often where the biggest leaks live, so most of that work is straightforward. The cost depends on how much ductwork is exposed and how many joints need attention. Call (833) 370-4086 to book an inspection.
Book a Free Duct Repair & Sealing Estimate in Arvada
If your ducts are leaking, clicking, sagging, or not delivering air where it needs to go, the fastest way to know what the fix costs is to have us take a look. We clean it, we fix it, and we show you what’s inside your system before you spend a dollar. Estimates are free, and our technicians have up to 12 years of experience working with systems like yours. Call (833) 370-4086 today. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Pricing reflects the Arvada market as of 2026. Duct Cleaning Arvada offers free estimates – call (833) 370-4086.
Written by the team at Duct Cleaning Arvada.
What Our Customers Say
"Job was done well and the house smells better. There was some dust knocked loose around a couple of the registers that I had to wipe down afterward."
- Renee Ziegler"Ran a negative air machine on the whole system rather than the shop vac on a stick that the cheap outfit down the road uses. Showed me the before and after photos from inside the trunk line and it was genuinely disgusting."
- Tracy Rhodes"My wife's allergies had been bad in this house since we moved in. It's been two months since they did the ducts and it's noticeably better. Not a miracle, but real."
- Darius Grant