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.
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Before
AfterHow Much Does HVAC Cleaning Cost in San Jose?
Most San Jose homeowners pay between $285 and $690 for a full HVAC cleaning in 2026, with the average single-family home landing around $390 to $480. The final price depends mostly on the number of vents, how many air handler units your home has, and how long it’s been since the last cleaning. Kestrel Air Duct San Jose gives every customer a written price before any work begins, so the number you’re quoted is the number you pay.
If you’re comparing quotes and one seems dramatically cheaper, ask what’s included. A $99 “whole-house special” typically means a visual inspection and a shop-vac wave at the first few vents, not a real cleaning of the full duct run. That’s the difference between a maintenance visit and an actual cleaning, and in San Jose’s dusty, pollen-heavy climate, it matters.
HVAC Cleaning Cost Breakdown (2026)
Here’s what San Jose homeowners can expect to pay in 2026, broken down by job scope. These numbers reflect the typical market rate for professional work using negative-air extraction and rotary brush agitation, not a quickie blow-and-go.
| Service Scope | Typical Price Range | What You Get |
|---|---|---|
| Basic duct cleaning (small condo or townhome, up to 8 vents) | $250 – $380 | Full brush agitation of all accessible duct runs, negative-pressure collection, one air handler inspection |
| Standard single-family home (10 – 16 vents) | $350 – $520 | Complete duct run cleaning, return and supply side, registers wiped and re-seated, blower cabinet inspection |
| Larger home (18+ vents, two stories) | $480 – $750 | Extended cleaning time, all branch runs, both return and supply plenums, blower fan and housing cleaning |
| Air handler / furnace blower cleaning (add-on) | $120 – $240 | Blower wheel pulled and hand-cleaned, evaporator coil inspection, condensate line flushed where accessible |
| Dryer vent cleaning (standalone or add-on) | $95 – $175 | Full lint trap bypass, brush agitation through the entire vent run to the exterior termination |
| Whole-home bundle (ducts + air handler + dryer vent) | $430 – $820 | Everything above combined; typically the best per-unit value if nothing has been cleaned in 3+ years |
These aren’t guesswork numbers. They’re the ranges we write on estimates in San Jose every week. The single biggest variable is access: crawlspace ducts in an Eichler or a mid-century rancher take longer than attic runs in a two-story Almaden Valley home. Ductwork that hasn’t been touched in a decade takes longer than a system cleaned two years ago. Longer labor means a higher number, and we’d rather tell you that up front than surprise you at the door.
Key takeaway: if a quote is under $200 for a full single-family duct cleaning in San Jose, it’s almost certainly not a full cleaning. Real negative-air equipment, trained technicians, and the time to do the job properly can’t be delivered at that price.
What Affects HVAC Cleaning Pricing in San Jose
No two homes in San Jose are plumbed the same way, and the price follows the house. Here’s what moves the number:
- Number of vents and register openings. Every supply and return is a point of access. A 900-square-foot condo with 6 vents costs less than a 2,400-square-foot Willow Glen house with 16. More vents means more time at each one, not just more holes in the wall.
- Number of air handler units. San Jose’s older neighborhoods, especially around Naglee Park and the Rose Garden, often have a single furnace for the whole house. But newer construction in Evergreen or Berryessa frequently runs two systems, one per floor. A second air handler adds $120 to $240 to the job.
- How long it’s been since the last cleaning. The National Air Duct Cleaners Association suggests every 3 to 5 years, but plenty of San Jose homes go a decade or more. Heavy buildup, especially from the dust that blows in from the East Hills during Santa Ana season, takes more passes with the brush and more vacuum time.
- Duct accessibility. A ranch-style home with a raised foundation and easy crawlspace access is faster to service than a hillside house in Silver Creek where the ducts run through tight attic angles. We charge for the time the work actually takes, not a flat rate that assumes every house is average.
- Pets. Homes with dogs or cats, especially long-haired breeds, accumulate dander and fur in the ductwork faster than pet-free homes. If the filter hasn’t been changed regularly, that buildup can be substantial, and extra brushing passes add labor.
- Renovation dust. San Jose has seen nonstop remodeling for the last decade. If you’re in a house that’s been through drywall work, floor refinishing, or a kitchen gut job, that fine dust finds its way into the duct system and sets up like concrete over time.
One more thing worth knowing: we don’t raise the price after we start. The written estimate you approve is the price you pay. That’s not a promotion, it’s how we’ve operated since 2004 under the Kingswell Guarantee.
How Our Cleaning Process Works (And What It Costs In Time)
Understanding what happens during a cleaning helps you understand what you’re paying for. We use professional-grade equipment, not a box-store shop vac. Here’s the sequence, in plain English:
- Rotary brush agitation. A Rotobrush system runs a spinning brush through each duct run, scrubbing the walls where dust, pollen, and pet dander stick. The brush dislodges what’s adhered to the metal or flex duct surface, which is what a vacuum alone can’t do.
- Negative-air extraction. A Nikro unit connects to the duct system and pulls air backward through it, creating negative pressure. In plain terms: the machine sucks air out of your ducts while we work, carrying loosened debris into a sealed collection system instead of letting it drift back into your rooms.
- HEPA filtration during the job. An Abatement Technologies HEPA unit runs in the living space while we work, capturing any particles that escape the duct system. This is what separates professional cleaning from a dusty DIY attempt: the air in your house is cleaner when we leave, not dirtier.
- Register cleaning and re-seating. Every vent cover gets wiped down, and any that fit loosely get re-seated. Loose registers let unfiltered air bypass the duct system entirely.
- Blower and coil inspection. We check the blower fan and evaporator coil for buildup. If they’re dirty enough to affect airflow, we’ll show you and quote the add-on price before doing anything. No surprises.
Most single-family homes take 3 to 5 hours to clean properly. A condo might take 2 to 3. That’s the labor you’re paying for, and it’s why “whole house in 90 minutes” offers should make you suspicious. Speed isn’t a feature in this trade. A thorough job takes the time it takes.
Why San Jose’s Climate Makes Duct Cleaning Matter Here
San Jose’s air quality is a real, measurable issue. The American Lung Association’s State of the Air report has consistently ranked the San Jose-San Francisco-Oakland metro area among the worst in the nation for particle pollution. Wildfire smoke from the Diablo Range and the Santa Cruz Mountains settles over the valley, and fine particulate matter drifts into homes every time the HVAC system cycles.
All that particulate doesn’t just vanish. Much of it gets trapped in the ductwork, where it accumulates and recirculates through the living space. A home in Almaden Valley sitting below the open space preserves has different duct conditions than a downtown condo near Diridon Station, but both deal with the same regional air quality challenges.
Add the pollen loads from San Jose’s urban canopy, which includes 240,000+ street trees plus thousands more in private yards, and you get a duct system that works hard to collect airborne material year-round. The local allergy season runs nearly continuously: oak and olive in spring, grass through summer, and weed pollen well into fall. Clean ducts don’t cure allergies, but they do reduce the circulating load in your own home.
How to Save on HVAC Cleaning
You don’t need to wait for a coupon to make this affordable. Here’s what actually moves the price down:
- Bundle services. If your dryer vent hasn’t been cleaned in more than a year, adding it to the duct cleaning is cheaper than booking it separately. Lint buildup is the leading cause of dryer fires, and San Jose’s dry summer air makes vent maintenance a genuine safety issue, not just an efficiency one.
- Change your filter before calling. A clean filter tells us you’ve been maintaining the system, and it gives us an honest look at the duct condition. Homes with filter discipline typically need less brushing time.
- Schedule in the off-peak season. San Jose’s busy season for HVAC work is summer, when the air conditioning is running hard and people notice the dust. Spring and fall will get you the same quality with more scheduling flexibility, and occasionally a slightly shorter lead time for the work.
- Get a written estimate first. You’d think this was obvious, but a surprising number of companies still won’t put a number on paper before starting. We do. Always have. The Kingswell Way requires it.
We keep pricing straightforward because we’ve been on the other side of this conversation and we know what it feels like to approve a price and then have it change at the door. That’s not how the Kestrel arrangement works. The estimate you approve is the final number, written down, no asterisks. If you want a free estimate on your San Jose home, call (669) 220-7869 and we’ll walk through what your system needs and what it’ll cost.
Is Repair Or Replacement Ever The Better Option?
Occasionally, we’ll find something during a cleaning that makes us recommend a different conversation. If the ducts are so degraded that cleaning won’t solve the problem, or the air handler has a mechanical issue beyond buildup, we’ll tell you what we saw. We don’t sell replacement ductwork, so there’s no incentive to invent problems. Our job is to tell you the truth about what’s in your system.
Here’s what we don’t do: we don’t “discover” mold in every house, we don’t scare homeowners into add-ons they don’t need, and we don’t upsell services we don’t offer. Kestrel Air Duct San Jose offers two things: air duct cleaning and dryer vent cleaning. That’s the whole menu. We do those two things well enough to back them with a 365-Day Done Right Promise in writing, and we don’t pretend to be anything else.
What’s Included In The 365-Day Done Right Promise
The warranty isn’t marketing language. It’s a written document that says: if the work doesn’t hold up within 365 days of your cleaning, we come back and make it right at no charge. Here’s what that covers in practical terms:
- If a vent we cleaned shows visible dust accumulation within the warranty period, we return and re-clean that section without charging you.
- If we failed to reach a duct run that was included in the scope of work, we return and finish the job.
- If you find debris in a register that should have been cleaned, we come back and address it. No argument, no invoice.
To invoke the promise, call us at (669) 220-7869 and describe what you’re seeing. A real person answers, 24/7, not a voicemail queue. We’ll schedule a return visit within our normal service window and make it right. The Kingswell family has operated under this standard since 2004, and Dale Whitmore holds every technician in San Jose to it.
How Often Should You Clean Your HVAC Ducts in San Jose?
For most San Jose homes, every 3 to 5 years is the right interval. Here’s how to know if you’re on the shorter or longer end of that range:
- Pets in the home: clean closer to every 3 years. Pet dander builds quickly and gets pulled into the return side of the system.
- Renovation work completed recently: clean immediately after the project finishes. Construction dust settles in the ducts and recirculates for months otherwise.
- Allergy or asthma in the household: every 3 years is a reasonable rhythm, and consider a higher-grade filtration setup between cleanings. We stock Honeywell, Aprilaire, and Guardsman filtration products and can recommend what fits your system.
- Smoker in the home or previous owner smoked: plan on a thorough cleaning when you move in, then evaluate every 3 years.
- No pets, no allergies, no renovations: every 5 years is generally sufficient.
If you’ve never cleaned the ducts since you bought the house and you’ve been there more than 5 years, it’s time. The good news is you’ll notice the difference quickly after the work is done, especially in how much less dust settles on furniture and window sills.
FAQs – HVAC Cleaning Cost
Is it cheaper to clean or replace HVAC ducts?
Cleaning is dramatically cheaper. Full duct replacement in San Jose typically runs $3,500 to $8,000 or more depending on the home, while a professional cleaning runs $285 to $690. Replacement is only justified when ducts are structurally compromised, severely rusted, or collapsed. If your ducts are intact and just dirty, cleaning is the obvious financial choice. Call (669) 220-7869 and we’ll tell you honestly which situation you’re in.
How much does it cost to clean one air duct vent?
Most companies price by the job, not per vent. If you do see per-vent pricing in San Jose, expect $30 to $45 per vent for basic cleaning, with most homes having 10 to 16 vents total. That per-vent rate usually doesn’t include the air handler or plenum work, so it’s often less cost-effective than a full-system price. We quote the full job in writing before starting so you know the actual number.
Can you clean HVAC ducts same day in San Jose?
Sometimes. We keep same-day slots available for smaller homes and condos when the schedule allows, especially outside the summer rush. For larger homes or full-system cleanings that take 4+ hours, we’ll usually schedule within a day or two. Call (669) 220-7869 and the person who answers can tell you what’s available right now, including whether a same-day visit fits your home’s scope.
How much does mold in HVAC ducts cost to remove?
True mold remediation is a different service than cleaning, and in San Jose it typically runs $800 to $2,500+ depending on the extent. Important context: many companies claim to find mold and use it to inflate the price. If you suspect mold, get a written statement from the technician about what they see and where. We’ll always show you what we’re looking at before recommending anything, and we don’t offer remediation because we’d rather tell you the truth than sell you a service we’re not set up to do properly.
Is $99 air duct cleaning legitimate?
In a word, no. A legitimate full-system cleaning in San Jose costs $285 to $690 for most homes. A $99 offer is a door-opener: the technician arrives, spends 20 minutes, and then presents a list of “required” add-ons that bring the total to $600 or more. Or they simply vacuum the first few feet of duct you can see from the register, which does nothing for the buildup deeper in the system. If the price sounds too good to cover real equipment and real labor, it is.
Get A Written Estimate Before Anyone Touches Your Ducts
You should know the price before the work starts. That’s not a courtesy, it’s the standard. We write the number down, hand it to you, and that’s the number on the invoice when the job is done. No door-step revisions, no “discovered issues” that double the total, no vague “plus materials” line items.
If your San Jose home’s ducts haven’t been cleaned in years, or you’re noticing more dust than you used to, give us a call. We’ll talk through what you’re seeing, give you a realistic price range for your home’s size and system, and schedule a visit that fits your week. The person who answers is a real human being, any hour of any day. That’s how we’ve run the home service since the Kingswell Guarantee first went into effect in 2004, and that’s how HVAC Cleaning in San Jose works under Dale Whitmore today.
Call (669) 220-7869 for a free estimate. We’ll tell you what your system needs, what it costs, and put it all in writing before a single vent is touched.
Written by Dale Whitmore, Owner at Kestrel Air Duct San Jose, serving San Jose since 2004.
Pricing reflects the San Jose market as of 2026. Kestrel Air Duct San Jose offers free estimates – call (669) 220-7869.
What Our Customers Say
"Set up an appointment for the whole house plus the dryer line. They called the morning of to confirm, showed up in the window, and showed me pictures of the gunk they pulled out. Worth it."
- Terrence Boyd"Our dryer was taking two cycles to dry a load. They cleaned the vent and pulled out a frightening amount of lint. Dries in one cycle now and honestly I feel better about the fire risk."
- Marcus Lee"My wife's allergies were awful every morning. Had the ducts done and it's made a real difference. Tech was on time and wore booties in the house without me asking."
- Rob Pendergast