Air Duct Cleaning Services in Glendora, CA
Air duct cleaning in Glendora typically runs $350-$650 for a standard single-system home, and most jobs are completed in one visit. Bellows Air Duct & Vent Co. of California has worked in Glendora since 2016, and we answer our phones live at (855) 401-6006, day or night. If your vents are pushing dust, your HVAC is cycling more than it should, or you’ve noticed a persistent film settling on furniture in north Glendora, we’ll come out, camera-inspect your ductwork, and show you exactly what’s inside before we start.
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.
Why Glendora Homeowners Choose Bellows Air Duct & Vent Co. of California
We’ve been the company Glendora homeowners call when the last contractor didn’t finish the job right. In the 42 years since we started in 1984, we’ve learned that the best advertising is a customer who never needs to call us back for the same problem.
Our technicians are background-checked, uniformed, and equipped with Rotobrush and Nikro systems, the same equipment serious HVAC contractors specify for their own jobs. Every clean includes a camera inspection before and after, so you see the condition we found and the condition we left. Our 90-Day Done Right Promise means if something isn’t right, we return at no charge, no paperwork, no arguing.
We know the difference between a 1950s tract home in south Glendora and a custom foothill place off Glendora Mountain Road. We’ve cleaned ducts in the historic downtown bungalows and in the newer builds near Sierra Madre Avenue. Calls are answered by a live person 24 hours a day, not a voicemail tree, and we show up when we say we will.
We also honor a permanent 5% Senior and Veteran discount, and we offer $50 off any repair over $250. If you have a written estimate from another company, we’ll give you a free second opinion.
Air Duct Cleaning Services We Offer in Glendora
Air Duct Cleaning
We clean supply and return ductwork throughout your home using professional-grade brushing and HEPA vacuum systems. Every job starts and ends with a camera inspection so you see the difference. Learn more about our Air Duct Cleaning in Glendora.

Dryer Vent Cleaning
Lint buildup in dryer vents is a leading cause of house fires, and Glendora’s dry Santa Ana wind seasons make this risk especially worth addressing. We clear the full run from appliance to exterior termination. Learn more about our Dryer Vent Cleaning in Glendora.

HVAC Cleaning
We clean coils, blower assemblies, and plenums where particulate accumulates and restricts airflow. In Glendora’s high particulate-load environment, this service often restores efficiency homeowners didn’t realize they’d lost. Learn more about our HVAC Cleaning in Glendora.

Duct Repair & Sealing
Older sheet-metal and flex-duct systems common in south Glendora develop leaks at seams and connections over decades. We seal and repair to restore system pressure and stop conditioned air from escaping into attics or crawl spaces.

Air Quality & Sanitizing
For homes with specific contamination concerns, including post-fire ash residue in north Glendora, we offer Air Quality & Sanitizing - Glendora treatments using EPA-registered products applied after mechanical cleaning is complete.

Neighborhoods We Serve in Glendora
We work across both Glendora ZIP codes, 91740 and 91741, with same-day or next-day availability for most calls. Typical response time to any Glendora address is under 90 minutes during business hours.
- South Glendora (91740) - Post-war tract homes with original ductwork that often hasn’t been cleaned in decades
- North Glendora (91741) - Foothill homes with complex attic duct runs exposed to ash-laden outside air
- Historic Downtown Core - Pre-war bungalows with compact systems and unique access challenges
- Glendora Mountain Road area - Custom homes in the Very High Fire Hazard Severity Zone
Why Glendora’s Climate & Housing Affect Air Duct Cleaning
Glendora sits in one of the worst smog-trapping positions in the San Gabriel Valley. The San Gabriel Mountains rise directly to the north, and prevailing airflow pushes particulates against that wall and down into the neighborhoods below. This isn’t a theoretical concern. Glendora registers some of the highest particulate-load days in Los Angeles County, and that load goes straight into your HVAC system every time it cycles.
The housing stock compounds the problem. South Glendora’s 1950s-1970s tract homes were built with sheet-metal or early flex-duct systems that have now aged forty to seventy years without professional attention. We’ve opened vents in these homes and found layers of accumulation thick enough to restrict airflow measurably. North Glendora’s custom foothill homes present a different issue: longer duct runs routed through unconditioned attics that breathe outside air contaminated by the same mountain-trapped particulates.
Then there’s the Colby Fire. In January 2014, that fire burned the hills directly above north Glendora, and any home that ran its HVAC during or after the event likely has fire-ash particulate embedded in its ductwork. Our technicians working in the 91741 foothill zone routinely find a grayish fine-ash layer inside ductwork on homes that had windows or HVAC running during that incident. This is a contamination mode that simply doesn’t apply to neighboring cities like Covina or San Dimas, and it requires HEPA-rated extraction equipment to remove properly. Fall Santa Ana wind events continue to drive ash and fine debris from the fire-prone foothill terrain directly into HVAC intakes on the north side of the city, refreshing the problem seasonally.
Pricing for Air Duct Cleaning in Glendora
We disclose every price before we lift a single tool. The number we give on the phone is the number on the invoice.
| Service | Typical Range in Glendora |
|---|---|
| Standard residential air duct cleaning (single system) | $350 - $650 |
| Larger homes or dual HVAC systems | $650 - $950 |
| Dryer vent cleaning | $125 - $225 |
| HVAC cleaning (coils, blower, plenum) | $275 - $450 |
| Duct repair & sealing (per job) | $200 - $600 |
| Air quality sanitizing treatment | $150 - $300 |
Our $89 Seasonal Tune-Up is available year-round. We also offer $50 off any repair over $250, and a free second opinion on any written estimate from another company. Seniors and veterans receive a permanent 5% discount. Call (855) 401-6006 for an exact quote for your home - estimates are free.
Service Area - Cities Near Glendora
We also serve homeowners in San Dimas, Azusa, Citrus, and Charter Oak with the same upfront pricing, camera-verified results, and 90-Day Done Right Promise we bring to every Glendora job.
Serving Glendora, CA - Our Local Coverage Area
We’re based in the Glendora 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 Cleaning in Glendora
Most single-system homes in Glendora fall between $350 and $650 for a complete air duct cleaning. Larger homes or those with dual HVAC systems typically run $650 to $950. We give you the exact price before we start, and estimates are free. Call (855) 401-6006 for a quote tailored to your home.
Given Glendora’s elevated particulate levels from mountain-trapped smog and seasonal Santa Ana ash, we recommend every 3 to 5 years for most homes. North Glendora properties in the foothill zone, especially those that ran HVAC during the 2014 Colby Fire or subsequent foothill incidents, may need more frequent inspection. If you see dust returning quickly after cleaning, or your filters clog faster than the packaging suggests, your ducts are telling you something. Call us and we’ll camera-inspect to give you a specific recommendation.
Yes, and this is a specific issue we address regularly in north Glendora. The grayish fine-ash residue from that 2014 fire requires HEPA-rated extraction equipment and thorough mechanical agitation to remove completely. We camera-inspect first to confirm ash presence, then clean until the post-inspection shows clean metal. Our 90-Day Done Right Promise applies to these jobs just as it does to any other. Call (855) 401-6006 to schedule an inspection.
For the aging sheet-metal and early flex-duct systems common in south Glendora’s 1950s-1970s housing stock, our Duct Repair & Sealing in Glendora is often the more economical path if the ductwork is structurally sound. We can typically seal leaks at seams and connections for $200-$600, versus thousands for full replacement. We’ll show you the camera footage and give you an honest assessment of whether repair makes sense for your specific system. Our free second opinion offer applies if you have another company’s replacement quote in hand.
We offer same-day service for most Glendora calls placed before early afternoon, and next-day availability for later calls. Our typical response time to any Glendora address is under 90 minutes during business hours. Calls are answered by a live person 24 hours a day, so you can reach us evenings and weekends to schedule. Call (855) 401-6006 now and we’ll get you on the calendar.
Written by the team at Bellows Air Duct & Vent Co. of California, serving Glendora since 2016. Call (855) 401-6006 for a free estimate.
What happens when you call
- 1A real person answersNo phone trees - talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3A background-checked tech heads outLicensed & insured, typically within within the hour.
- 4You approve before work beginsNothing starts until you say go.
What Los Angeles Customers Say
"Showed up fast, fixed it right the first time, and the price matched the quote. Couldn't ask for more."
- Verified local homeowner"Professional from the first call. Explained everything clearly and left the area spotless."
- Verified local homeowner"Called in the morning, problem solved by afternoon. Honest, upfront pricing - highly recommend."
- Verified local homeowner