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.
Air Duct Cleaning Company in Castro Valley, CA
Air duct repair in Castro Valley usually means one thing: older ductwork, loosened by decades of warm, dry summers and damp canyon nights, has started leaking conditioned air into crawlspaces and garages. Most of the homes we see here were built between the 1940s and 1970s, and their galvanized or flex ducting has slipped joints, torn tape, or separated runs that a cleaning alone won’t fix. We handle the full system: cleaning, repair, and dryer vent safety, so the air you pay to heat and cool actually reaches the rooms. Call (855) 382-9257 for a free estimate.
Why Castro Valley Homes Are Different
Castro Valley sits in a warm inland East Bay microclimate that bakes hot and dry through summer, then traps cool, damp air in the canyons overnight. Duct systems here cycle through those swings year after year, and the expansion and contraction works tape loose and pulls joints apart. Add the tree canopy – valley oaks, eucalyptus, and redwoods along the canyons and hillsides – and rooftop intakes gather leaf litter and fine organic silt within a season or two. A flatland tract neighborhood a few miles away doesn’t see anything like it. Because most Castro Valley homes sit on private lots with yard trees directly over the roof and intake vents, an air-duct job here is as much about sealing against debris intrusion as it is about vacuuming the runs. Older single-story ranch and stucco homes on generous lots often have flex ducting run through garages and crawlspaces, and those runs collect deck-aged dust and lose their connections quietly over time.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Our Main Castro Valley Services
These are the two services Castro Valley homeowners call about most often, and each has its own dedicated page with full pricing and process details.
Air Duct Cleaning in Castro Valley
We run Rotobrush rotary agitation through the supply and return runs to break debris loose, then pull it out with Nikro HEPA-rated extraction while Abatement Technologies units hold the space under negative pressure so nothing re-enters the living areas. In Castro Valley, that usually means removing a heavy load of eucalyptus leaf fragments, pollen, and fine canyon silt that has settled into older galvanized and flex duct runs. See the full process and cost breakdown on our Air Duct Cleaning in Castro Valley page.
Dryer Vent Cleaning in Castro Valley
A clogged dryer vent is a fire-risk checklist item, not an upsell. Lint, pet hair, and the fine dust that Castro Valley’s dry summers produce pack into the vent run and reduce airflow, which makes the dryer run hotter and longer. We clean the full run from the dryer to the exterior termination and check the vent cap for obstructions. Read the full breakdown on our Dryer Vent Cleaning in Castro Valley page.
Air Duct Repair in Castro Valley
Air duct repair in Castro Valley typically means finding and sealing the leaks, separated joints, and crushed flex runs that decades of hot-dry to cool-damp cycling have created. Homes from the 1940s through the 1970s dominate the area, and their galvanized or flex ducting has usually been in place long enough to slip, tear, or sag. A cleaning alone won’t fix a disconnected return or a supply run dumping conditioned air into a garage or crawlspace – the system has to be sealed and made whole again. That is the work we do under Air Duct Repair, and it is the logical completion of any cleaning job in this climate.
HVAC Duct Installation
Signs you need it
Rooms that never reach the thermostat setting, visible flex duct slumped or kinked in the garage, or a furnace that runs long cycles without satisfying the house point to ductwork that is beyond patching and needs new runs installed.
What it costs in Castro Valley
New HVAC duct installation in Castro Valley typically runs $2,400 to $5,700 depending on the number of runs, access, and whether the home is a single-story ranch or a hillside custom build with crawlspace work.
How we do it
We measure the existing layout, remove the failed sections, size the new runs to the system’s airflow, install and seal each connection, and balance the airflow at the registers.
Ductwork Repair
Signs you need it
Dust collecting quickly after cleaning, a musty or hot smell from the vents, or rooms that are noticeably warmer or cooler than the rest of the house usually mean air is leaking from the ducts before it reaches the living space.
What it costs in Castro Valley
Ductwork repair in Castro Valley typically runs $350 to $900 for sealing and reconnecting separated joints or replacing short damaged sections, with the final price set by the written estimate.
How we do it
We locate the leaks and separations, clean the contact surfaces, reconnect or replace the damaged sections, seal with mastic and foil tape, and verify airflow at the registers.
What Air Duct Repair Costs in Castro Valley
| Item | Typical range in Castro Valley |
|---|---|
| Ductwork repair (seal joints, replace short sections) | $350 – $900 |
| Duct replacement (partial system, 3 – 6 runs) | $1,400 – $2,800 |
| HVAC duct installation (full system) | $2,400 – $5,700 |
Can you repair ducts without replacing all of them?
Yes. Most Castro Valley homes have localized failures – separated joints, torn tape, a crushed flex run – and we repair those sections rather than replacing the whole system. Full replacement only makes sense when the ductwork is too deteriorated to seal reliably.
Does duct repair make a noticeable difference in Castro Valley?
It usually does, especially in older ranch homes where a portion of the conditioned air has been dumping into the garage or crawlspace for years. Sealed ducts mean the air actually reaches the rooms, and the system cycles less. Call (855) 382-9257 for an exact quote – estimates are free.
Brands We Service in Castro Valley
We work with the filtration and air-quality equipment Castro Valley homes already have, including Honeywell and Aprilaire media cabinets and controls. We also know the Rotobrush and Nikro equipment that cleans the system. See our brands for the full list.
See the difference
Before
After
Before
After
Before
AfterPricing for Air Duct Cleaning Company in Castro Valley, CA
| Service | Typical range in Castro Valley |
|---|---|
| Air duct cleaning (whole home) | $450 – $900 |
| Air duct cleaning (larger or hillside home) | $800 – $1,400 |
| Dryer vent cleaning | $120 – $250 |
| Ductwork repair | $350 – $900 |
| Duct replacement (partial) | $1,400 – $2,800 |
| HVAC duct installation (full system) | $2,400 – $5,700 |
| Combined cleaning and repair package | Quoted per job |
Prices in Castro Valley get pushed higher by crawlspace access, long flex runs through garages, and the heavy organic debris load that canyon and hillside trees drop into rooftop intakes. You get one flat price per system agreed before we start work, with no per-vent pricing and nothing added once the van is there.
Neighborhoods We Serve in Castro Valley
We work across Castro Valley, from the flatland ranches near the Boulevard to the hillside and canyon custom builds. Response time across the area is typically one to two days, with Sunday-through-Friday dispatch.
- Baywood
- Stanton District
- Palomares Hills
- Five Canyons
- Columbia
Service Area – Cities Near Castro Valley
We also serve the surrounding Eden Area and East Bay communities, including Cherryland, CA, Fairview, CA, Ashland, CA, and San Lorenzo, CA. The same flat-price-per-system rule applies everywhere we work.
Serving Castro Valley, CA – Our Local Coverage Area
We serve Castro Valley and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning Company in Castro Valley
Call (855) 382-9257 and we answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. Most Castro Valley jobs are scheduled within a day or two, and same-day service is often available for cleaning calls.
Interior duct cleaning and repair almost never requires HOA approval because the work happens inside the structure. Exterior dryer vent terminations and rooftop intake work can fall under architectural rules in some Castro Valley hillside communities, so check your CC&Rs if the work touches the outside.
Yes, we cover all of Castro Valley, including the canyon and hillside neighborhoods where access and tree debris add time to the job. We also serve Cherryland, Fairview, Ashland, and San Lorenzo. Call (855) 382-9257 so we can confirm your address and schedule.
Duct Cleaning Castro Valley has served Castro Valley since 2012. Call (855) 382-9257 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
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.
- 3We come out and measureLicensed & insured, at a time that suits you. The visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Castro Valley Customers Say
"They photographed every return and supply before starting and sent me the file afterward. No upsell to a sanitizing treatment I didn't need."
- Nabil Aziz"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."
- Dev Sharma"Did the dryer vent while they were here for a small add on price. The dryer now finishes a load in one cycle instead of two."
- Grace Lin