A Bellows company - serving Los Angeles, CA
Bellows Air Duct & Vent Co. of California air duct cleaning team

Air Duct Cleaning in San Ramon - One Flat Price, Before-and-After Photos

One flat price per system, agreed before we start, with before-and-after photos of your actual ducts. No per-vent pricing, no coupon that turns into a bigger bill once the van is on the drive.

  • One flat price per system, agreed up front
  • Before-and-after photos of your own ducts
  • No per-vent pricing and no add-on surprises
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Air Duct Cleaning in San Ramon, CA

Whole-house air duct cleaning in San Ramon typically costs $350-$850, with most residential systems completed in a single visit by our background-checked crew. We answer calls live at (855) 401-6006, 24 hours a day, and we disclose your exact price before lifting a single tool. San Ramon’s planned-community housing stock, from Dougherty Valley to Gale Ranch, presents conditions we see nowhere else in the Bay Area.

Call (855) 401-6006

Why San Ramon Homes Are Different

San Ramon sits in an inland valley that hits 95-105°F in July, forcing HVAC systems to run harder and longer than coastal cities. That heat accelerates particulate accumulation inside ducts. The valley’s position downwind of the Diablo Range creates a second problem: fall Diablo wind events push wildfire smoke and fine ash directly into intake systems. But the defining factor is structural. Dougherty Valley’s master-planned buildout produced tens of thousands of homes between 1997 and 2010 with near-identical builder-grade flex ductwork. That entire cohort is now 15-25 years old, simultaneously hitting the age when flex sags, collar connections loosen, and first-generation debris loads peak. We’ve cleaned ducts on Iron Horse Trail-adjacent streets, in older Windemere sections, and throughout the winding cul-de-sacs off Bollinger Canyon Road.

Air Duct Cleaning in San Ramon

Our San Ramon crews cover both ZIP codes, 94582 and 94583, with scheduling coordinated from our Bay Area office. We use Rotobrush agitation with HEPA-filtered Nikro vacuums, and every job includes camera inspection before and after. Air Duct Cleaning is our core service, and San Ramon’s uniform-era housing makes it particularly critical.

Residential Duct Cleaning

Most San Ramon homes are two-story planned-community builds from the mid-1980s through the 2010s, with 2,500-4,500 square feet and complex multi-zone layouts. The long flex-duct branch runs to second-floor bedrooms in Dougherty Valley and Gale Ranch accumulate layered debris unlike older rigid-duct systems. Standard residential duct cleaning for a single system up to 2,500 sq ft runs $350-$550; larger multi-zone homes run $550-$850. We complete most jobs in one visit.

Supply Duct Cleaning

After Diablo wind events push smoke and fine ash from the East Bay hills, that contamination circulates through supply lines unless fully removed. We clean supply trunks and all branch runs, verifying airflow restoration at each register. This matters especially in San Ramon’s larger homes, where distant bedrooms often suffer the most from reduced supply pressure. Return duct cleaning as an add-on or standalone service runs $200-$350.

How does Dougherty Valley’s uniform build era affect air duct cleaning needs?

Dougherty Valley’s tens of thousands of near-identical homes, all built between 1997 and 2010 with the same builder-grade flex ductwork, are now hitting the 15-25 year mark simultaneously. This creates a concentrated wave of sagging flex, loosened collar connections, and peak debris loads that doesn’t exist in neighboring Danville or Dublin. If your home was built in this era, your system is likely at the point where professional cleaning makes a measurable difference in airflow and efficiency. Call (855) 401-6006 for a free estimate.

Dryer Vent Cleaning in San Ramon

Dryer vent cleaning in San Ramon typically runs $149-$289 for standard homes, with most appointments completed in a single visit. The combination of heavy dryer use in hot weather and long vent runs in large planned-community homes means lint accumulates faster here than in smaller properties. Dryer Vent Cleaning is essential fire prevention in a city where original builder ductwork is now aging out simultaneously.

Dryer Vent Inspection and Cleaning

Every job starts with a camera inspection. We feed high-resolution equipment through the full vent run, whether it’s a short straight shot in an older Crow Canyon area home or a 35-foot attic traverse in a Gale Ranch two-story. We’re specifically looking for sagging flex sections and cap damage from Diablo wind events. Standard single-story vent cleaning runs $149-$189; two-story or attic-run cleaning runs $199-$289. Heavy lint removal with mechanical agitation for clogged or sagged lines runs $249-$379.

Vent Rerouting

Some San Ramon homes were built with vent runs that prioritized construction speed over function: 40 feet through a hot attic, multiple 90-degree turns, or roofline terminations where lint collects. We reroute these to shorter, straighter paths with rigid galvanized ductwork, proper slope, and sidewall termination. Most reroutes in two-story homes run $349-$579 and complete in one day.

Why does my dryer in San Ramon take over an hour to dry a load?

A dryer that takes over an hour almost always has a blocked vent line restricting airflow. In San Ramon, the most common cause is a sagging section of original builder flex duct in the attic, which traps lint and moisture into a dense mat that air can’t penetrate. The second most common is a bird guard-less cap clogged with pollen or ash from Diablo wind events. Call (855) 401-6006 and we’ll diagnose it with a camera.

HVAC Cleaning in San Ramon

HVAC cleaning in San Ramon typically runs $280-$680 for a full system, with most jobs completed in a single visit. We carry equipment to handle large two-story homes and longer service drives without needing a return trip. HVAC Cleaning addresses the components that standard duct cleaning doesn’t reach.

Evaporator Coil and Blower Cleaning

The evaporator coil sits in a dark, humid chamber where pollen from spring grassland blooms mixes with fine ash from Diablo wind events, caking onto fins. A dirty coil cuts airflow and forces your compressor to run longer in 100°F summer weeks. Evaporator coil cleaning runs $180-$340. Your blower motor and wheel push conditioned air through every flex branch; when blades load up with debris, they become inefficient and unbalanced. Blower cleaning runs $220-$380.

Condenser Cleaning

The outdoor condenser coil takes the brunt of San Ramon’s inland valley conditions: dust, pollen, cottonwood fluff, and ash after fall fire season. A clogged condenser can’t reject heat, so your system runs longer and harder when temperatures push past 95°F. Condenser cleaning typically runs $160-$280.

What kind of debris do you find in San Ramon HVAC systems?

We find layered organic debris: pollen from surrounding annual grasslands in spring, fine ash from Diablo wind wildfire events, mixed with standard dust. Builder-grade 1-inch filters let these particles accumulate over 15-20 years. This profile differs from coastal Bay Area cities where moisture and mold dominate, or newer Tri-Valley cities where construction dust is still primary. The organic layering in San Ramon requires proper extraction equipment to remove fully. Call (855) 401-6006 for an inspection.

Duct Repair & Sealing in San Ramon

Duct repair and sealing in San Ramon typically costs $280-$750 for most residential jobs, with flex duct replacement running higher for long second-floor runs common in Dougherty Valley and Gale Ranch homes. We disclose every price before work begins. Duct Repair & Sealing restores systems that cleaning alone cannot fix.

Flex Duct Repair

This is our most common repair in San Ramon. The flex duct installed in Dougherty Valley and Gale Ranch homes between 1997 and 2010 was builder-grade, and long runs to second-floor bedrooms sag under their own weight after 15-20 years. Kinks form, collar connections loosen, and airflow drops until upstairs zones never cool properly in August. We replace failed flex with R-8 insulated product, support it properly, and restore design airflow. Most flex duct repairs run $340-$620 per run.

Duct Sealing

Leaky ducts waste 20 to 30 percent of conditioned air, and that waste is worse in San Ramon because systems run so hard during summer heat waves. We seal trunk lines and branch connections with mastic sealant, not tape, because mastic remains flexible through decades of thermal cycling. In two-story homes with return chases behind drywall, we use camera inspection to locate leaks invisible from the attic hatch. Duct sealing runs $280-$450.

What’s the typical cost to repair sagging flex duct in San Ramon?

Repairing or replacing a sagging flex duct run typically costs $340-$620 per run, with the higher end applying to long second-floor branches common in 2,500-4,500 square foot Dougherty Valley and Gale Ranch homes. The price includes R-8 insulated flex, proper support strapping, and mastic sealing at the collar connection. Multiple runs in the same attic often qualify for reduced per-run pricing. Call (855) 401-6006 for an exact quote.

Air Quality & Sanitizing in San Ramon

Air quality and sanitizing service in San Ramon typically runs $275-$650 for whole-home duct sanitizing, with most jobs completed in a single visit and camera-verified results before we leave. Air Quality & Sanitizing addresses contamination that mechanical cleaning alone doesn’t eliminate.

Mold and Bacteria Treatment

Mold in San Ramon ducts is more common than many homeowners realize, especially in Dougherty Valley homes where 18-25 year old flex duct has sagged and created low spots where condensation collects. We treat affected areas with EPA-registered products and verify with camera documentation. Mold treatment runs $350-$750. Bacteria sanitizing addresses microbial contamination in older planned communities where years of unfiltered particulate coated duct interiors before homeowners upgraded filtration. Whole-home bacteria sanitizing runs $275-$550.

Odor Removal

Musty odors from vents are a frequent call from San Ramon homeowners, particularly in 1990s-era homes in the Crow Canyon and Norris Canyon corridors. The smell often traces to organic debris buildup in long flex-duct branch runs, or to wildfire smoke particles embedded during Diablo wind events. Standard filter changes won’t remove odors from duct walls. Our process includes source identification through camera inspection, mechanical agitation, and targeted deodorizing. Localized odor removal runs $225-$400; whole-home multi-zone treatment runs $450-$675.

Is it necessary to sanitize ducts after a Diablo wind fire event, or can we just change filters?

Filter changes remove airborne particulate but cannot dislodge fine ash that has adhered to flex duct walls. After significant Diablo wind smoke exposure, we recommend professional inspection and targeted sanitizing, particularly for homes with existing debris loads that provide binding surfaces for new contamination. The embedded ash particles are small enough to bypass standard filtration and recirculate indefinitely. Sanitizing after fire events in San Ramon typically runs $300-$550 depending on system size. Call (855) 401-6006 to schedule.

Brands We Service in San Ramon

We stock parts and install equipment from Honeywell, Aprilaire, Abatement Technologies, and Guardsman, with most repairs completed in a single visit without waiting on special orders. our brands

Pricing for Air Duct Cleaning in San Ramon, CA

Service Typical range in San Ramon
Standard residential duct cleaning (single system, up to 2,500 sq ft) $350-$550
Large home / multi-zone system (2,500-4,500 sq ft) $550-$850
Dryer vent cleaning (single-story, direct exterior wall) $149-$189
Dryer vent cleaning (two-story or attic-run) $199-$289
Full system HVAC cleaning $280-$680
Evaporator coil cleaning $180-$340
Duct sealing (mastic, main trunk and branches) $280-$450
Flex duct repair / replacement (per run) $340-$620
Bacteria sanitizing (whole home) $275-$550
Mold treatment (localized to moderate) $350-$750

Larger homes in Gale Ranch or Dougherty Valley with 20+ vents and multi-zone systems may run higher. We disclose the full price before work begins, and that number doesn’t change when we’re standing in your hallway. No bait coupons, no upsell at the door.

Neighborhoods We Serve in San Ramon

Our crew covers both San Ramon ZIP codes with local dispatch from the Bay Area office. These are the neighborhoods we know best:

  • Dougherty Valley - The master-planned buildout where uniform-era flex duct is aging in synchronized waves
  • Gale Ranch - Large homes with complex multi-zone layouts and long branch runs to second floors
  • Windemere - Older San Ramon stock with mixed duct materials and retrofit challenges
  • Iron Horse Trail vicinity - Homes where proximity to open space means higher pollen and dust loads
  • Bollinger Canyon Road area - Winding cul-de-sacs with varied construction eras and access conditions

Service Area - Cities Near San Ramon

We serve San Ramon, CA as our local focus, with regular routes to Dublin, CA, Danville, CA, Moraga, CA, Blackhawk, CA, and Pleasanton, CA. Scheduling is coordinated from our Bay Area office, with crews dispatched to each city without the delays of distant travel.

Serving San Ramon, CA - Our Local Coverage Area

Bellows Air Duct & Vent Co. of California crews serve San Ramon and the communities around it; dispatch is coordinated from our San Francisco Bay Area office. The map shows the San Ramon coverage area; if your address is on it, we can help.

Also serving nearby: San Ramon, CA, Dublin, CA, Danville, CA, Moraga, CA, Blackhawk, CA, Pleasanton, CA.

FAQs About Air Duct Cleaning in San Ramon

Ready to get started? Free estimates · Flat quoted pricing response in San Ramon
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What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local air duct cleaning pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What San Ramon Customers Say

★★★★★ 4.8 from 6+ reviews

"They ran a negative air machine on the whole system rather than the shop vac on a stick that the cheap outfit uses. Showed me the before and after photos from inside the trunk line and it was genuinely disgusting."

- Katie Sullivan

"Did the dryer vent while they were here for a small add on price. The dryer finishes a load in one cycle now instead of two."

- Adam Pruitt

"The allergies in this house had been bad since we moved in. It has been a couple of months since they did the ducts and it is noticeably better. Not a miracle, but real."

- Vikram Rao

How It Works in San Ramon

Getting your air duct cleaning handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your air duct cleaning needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in San Ramon - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

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Areas We Serve
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