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 Air Duct Repair Across Claremont
Air duct repair in Claremont typically costs between $350 and $1,400 depending on the scope of work, and most repairs are completed in a single visit. We schedule Claremont appointments Monday through Saturday, and our crews know the older Craftsman and ranch-style homes here well enough to diagnose duct problems quickly. Call (980) 447-2498 for a written estimate before any work begins.
Claremont sits pressed against the San Gabriel Mountain front at the eastern end of the Los Angeles Basin. That geography does something specific to your ducts. Fine particulates, ozone, and wildfire smoke pile up against the mountain wall rather than dispersing, which means Claremont duct systems accumulate contamination faster than homes even a few miles west. When Santa Ana winds channel through the Cajon Pass, they funnel Mojave desert dust and mountain-fire ash directly into home air intakes. We see the results in nearly every duct repair job we do here.
Why Linden Air Duct Cleaning Is Claremont’s Preferred Air Duct Repair Company
Our Air Duct Repair team has worked through enough Claremont crawl spaces and attic runs to know exactly what this housing stock throws at a duct system. Pre-war Craftsman bungalows near the Village, 1950s ranch homes off Foothill Boulevard, newer builds in Stone Canyon Preserve – each presents different failure patterns. We carry the parts to match, from flex duct sections to plenum patch material, so we’re not scheduling follow-up visits for a basic sealed-joint fix.
Marcus Veale leads our repair crews, and every job starts the same way: a written price before any work begins. That’s not a promotional line. It’s how we’ve operated since 2004 as part of the Threshold Group family. The Threshold Standard means every technician is background-checked, identity-verified, and photo-badged. You get the tech’s name and photo before the visit, and they show that same photo ID at the door. No surprises at either end of the job.
Our phones are answered by a live person 24 hours a day, seven days a week. Call at 6 a.m. or midnight and you’ll speak to a human, not a voicemail queue.
Ductwork Installation in Claremont
Ductwork Installation in Claremont comes up most often in two situations: a failed flex duct section in an older home, or a short run added when a homeowner finishes a garage or closed-in patio. Neither job should be guesswork. In Claremont’s drying cycle, flex-duct joints in pre-war and post-war homes crack and separate regularly. When we replace that section, we use the right diameter for the CFM your blower delivers, seal the joints properly, and confirm airflow at the registers before we leave. A single flex-duct replacement here generally runs $180 to $450 depending on length and access.
Replacing Worn and Separated Flex Duct
Older Claremont homes are full of flex duct installed decades ago. The inner liner dries, the outer jacket tears, and the joint pulls apart, letting attic air and decomposed-granite dust into the air handler. We replace the failed section, not the whole run, and we check the rest of the system for weak joints while we’re there.
Plenum Repair and Sealing
The return-air plenum in a 1920s Craftsman or Spanish colonial near the Claremont Colleges is often original – galvanized steel with decades of accumulated reddish-tan grit. If the plenum leaks, your system pulls attic air instead of return air. We repair and seal those plenums as part of many duct repair jobs. Expect $200 to $500 for plenum work depending on accessibility.
HVAC Duct Installation in Claremont
HVAC Duct Installation in Claremont is a fuller job than a single flex run. It usually means installing a complete supply or return trunk, often when a homeowner adds a room, converts a garage, or discovers that decades of patchwork have left the system too leaky to repair economically. A full duct installation for a small ranch home in Claremont typically lands between $2,500 and $6,000, though large two-story homes with multiple returns can push higher. We measure airflow, size the duct correctly, and give you a written price before any sheet metal gets cut.
Whole-System Replacement for Older Homes
Many of Claremont’s 1950s and 1960s ranch homes still run original rigid duct with failed tape seals and rusted connections. When replacement is cheaper than endless patch work, we’ll tell you that directly and price it accordingly.
Adding Returns and Supplies for Remodeled Spaces
Finished attics, enclosed patios, and garage conversions all need supply and return runs matched to the load. We coordinate with your contractor or handle it independently. Either way, the airflow is verified at the register before we leave Claremont.
Trusted Brands We Service in Claremont
We run professional-grade equipment from Rotobrush and Nikro, and we stock parts and filtration upgrades from Honeywell and Aprilaire for Claremont customers. When a repair calls for a better filter rack or a new media cabinet, we can often install it the same trip rather than scheduling another visit. Our repair work borders on the equipment brands you already have in your system, and we’ll match the part to what’s installed, not sell you an adapter kit you don’t need.
Common Air Duct Repair Problems We See in Claremont Homes
- Dried and separated flex-duct joints. The low humidity and Santa Ana wind cycles in Claremont dry out flex-duct inner liners quickly. Joints pull apart, letting decomposed-granite dust and wildfire ash bypass the filter and deposit directly in the air handler.
- Reddish-tan grit in return-air plenums. Claremont’s decomposed granite soils shed a distinctive reddish-tan dust that lobes into return plenums along the San Gabriel front. Standard lint-focused cleaning misses it without agitation tools. We see it on nearly every pre-2000 home in the city.
- Ash and smoke residue from Angeles National Forest fires. The mountain wall directly north traps wildfire smoke over Claremont for extended periods. That fine particulate works its way into duct interiors and stays embedded in dust layers that ordinary cleaning won’t pull loose.
- Patchwork duct systems on remodeled post-war homes. Many 1950s and 1960s ranch homes in Claremont have been added-to over decades: a finished garage here, an enclosed patio there. Ductwork gets spliced, mismatched, and left with leaks at every transition. We repair and reseal those transitions before they become air-quality problems.
Pricing for Air Duct Repair in Claremont, CA
Air duct repair in Claremont generally runs from $180 for a small flex-duct section up to $1,400 for more involved plenum and trunk work. Whole-system HVAC duct installation on a ranch home lands between $2,500 and $6,000. What moves the number: access (crawl space versus attic), how many joints have failed, and whether the plenum needs repair too. You’ll get a written price before work begins, and every repair carries a written guarantee. If a covered repair fails within 365 days, we return at no charge. Call (980) 447-2498 for a free estimate in Claremont.
We Also Serve Cities Near Claremont
Beyond Claremont, we handle air duct repair in Claremont and the surrounding communities. If you’re in Montclair, La Verne, Upland, or Ontario, our crews already work the same foothill corridors and know the duct patterns in those neighborhoods well. Dispatch is coordinated from our Los Angeles office, and Claremont is a regular route, not an add-on.
Serving Claremont, CA - Our Local Coverage Area
We’re based in the Claremont 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 Air Duct Repair in Claremont
Every 3 to 5 years is realistic for most Claremont homes because the San Gabriel front traps wildfire smoke and Santa Ana dust that would otherwise disperse elsewhere. Homes closer to the mountain wall accumulate contamination noticeably faster than homes near the 10 Freeway corridor or out toward Pomona, so if you’re seeing reddish-tan dust on your baseboards between cleanings, that’s the decomposed granite signature, and your interval should probably sit at the shorter end. Call (980) 447-2498 to schedule an inspection and get a written recommendation for your specific home.
That reddish-tan color comes from the decomposed granite soils of the San Gabriel front. Technicians working Claremont’s older foothill neighborhoods routinely find return-air plenums coated with gritty, reddish-tan dust that’s unique to this area. Gray lint dominates in flatter Inland Empire cities like Ontario or Chino, where duct contamination comes mostly from household fabric shedding and general indoor dust. The color difference is one of the fastest ways to tell whether a Claremont duct system has been loaded by outdoor particulates.
Yes. Dried and separated flex-duct joints are one of the most common repairs we do in Claremont, especially in pre-war Craftsman and Spanish colonial homes near the Village and the Claremont Colleges. We replace the failed section, seal the new connection properly, and check the rest of the run for weak spots. Most joint repairs take one visit, and the written guarantee covers the work for 365 days. Call (980) 447-2498 and we’ll come inspect your system for separated joints.
They usually need more frequent attention. Detached garages, workshops, and guest units on rural Claremont properties often draw air from unpaved areas, so the duct loads are heavier with decomposed-granite dust and pollen. Many outbuilding systems also have long flex runs with multiple joints that dry out faster in the low humidity. We treat those systems the same way we treat the main house, but with the awareness that the loading is heavier and the inspection interval should probably tighten.
After we complete a duct repair, we recommend a MERV 11 to MERV 13 filter for Claremont homes. The mountain wall traps wildfire smoke and fine particulate long after a fire is contained, and a higher MERV rating catches what drifts back into the return. The catch: higher MERV means more air resistance, so we check that your blower can handle the static pressure before recommending the upgrade. Aprilaire media cabinets are a common fit for Claremont systems, and we can install one during a repair visit when it makes sense.
If your ducts are showing the reddish-tan signature of Claremont’s foothill location, or a flex-duct joint has separated and you’re paying to push conditioned air into the attic, call us at (980) 447-2498. We’ll set a Claremont appointment, send the tech’s name and photo before the visit, and give you a written price before any work begins.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving Claremont since 2004.