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.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
See the difference
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After
Before
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AfterHow Much Does HVAC Cleaning Cost in Palo Alto?
HVAC cleaning in Palo Alto runs $350 to $700 for a typical single-family home in 2026, with most standard jobs landing near $450 to $550. That range covers a full supply-and-return air duct cleaning with HEPA negative-air containment. Dryer vent cleaning is priced separately at $120 to $220, and duct repair is quoted after inspection because the scope varies by damage. Homes in ZIP codes 94301 and 94306 that were built between 1920 and 1965 often cost more because the older ductwork needs repair or sealing once it’s opened up.
Key Takeaways
- Most Palo Alto homes pay $350 to $700 for HVAC and air duct cleaning in 2026.
- Spring break in older ducts, additions to original duct runs, and serious source damage push cost toward the top of the range.
- Professional-grade equipment (Rotobrush, Nikro HEPA negative-air) is what separates a real clean from a surface pass, and it’s what our quotes are built around.
- Dryer vent cleaning is a separate, fire-safety service starting around $120 for a standard residential run.
- Free estimates are the norm for any job over a couple hundred dollars; use them.
HVAC Cleaning Cost Breakdown (2026)
Here’s what each piece of the work actually runs in the Palo Alto market. These are the ranges we quote, and they reflect the equipment class we bring in (Rotobrush brush-contact systems, Nikro HEPA negative-air machines, Abatement Technologies containment), not a shop vac and a helper.
| Service | Palo Alto Range (2026) |
|---|---|
| Air duct cleaning, standard single-story home (up to ~2,000 sq ft) | $350 – $550 |
| Air duct cleaning, larger or two-story home (2,000 – 3,500 sq ft) | $500 – $750 |
| Return-side cleaning (if a separate return trunk is present) | $80 – $180 |
| Register and grille cleaning (per register) | $8 – $15 |
| Dryer vent cleaning (standard residential run) | $120 – $220 |
| Dryer vent cleaning (long run, roof-vented, or heavily compacted) | $200 – $350 |
| Air duct repair (small leaks, disconnected joints, partial reroute) | $200 – $600 |
| Air duct repair (major section replacement or full reroute) | $600 – $1,800+ |
| Honeywell or Aprilaire filter system service / upgrade consult | $150 – $400 |
What drives cost up or down? The biggest single variable is duct length and how accessible each run is, followed by the state of the ducts themselves. A 1920s home near downtown Palo Alto with original galvanized ductwork that was buried under a 1980s addition may need five runs cleaned and two runs repaired. A 2,400 sq ft home in Midtown with a clean, accessible 1990s install usually bills closer to the middle of the range. Dryer vent work is the most likely to jump in price: a short sidewall-vented run is easy money, but a compacted rooftop-vented run on a single-story ranch takes actual work and the price reflects it. HVAC cleaning and duct repair are often quoted together, and where repair is needed we handle it on the same visit.
What Affects HVAC Cleaning Pricing in Palo Alto
- Age and type of ductwork. Most of Palo Alto’s housing stock is older than the duct cleaning industry itself. Anything pre-1970 is worth inspecting before you commit to a price, because flex duct from a later remodel spliced into rigid original ductwork is the single most common reason a “standard” job turns into a cleaning-plus-repair visit.
- Home size and run count. Cost tracks the number of registers and the length of the duct trunk, not just square footage. A 1,800 sq ft home with 12 registers costs more than a 2,200 sq ft home with 8.
- Contamination level. If a house has had a remodel, a pest issue, a water event, or just two decades of service, the cleaning takes longer. That’s a legitimate cost driver and any honest quote needs to reflect it.
- Accessibility. Ducts run through crawlspaces, attics, and tight wall chases. Palo Alto homes with low-clearance crawlspaces take longer to work in, and the price reflects the extra time.
- Adverse air quality or allergy concerns. Homeowners with allergy sufferers, infants, or elderly residents in the house often want HEPA-level containment throughout the job and a filter upgrade (Honeywell or Aprilaire systems). Both are worth the cost, and both add to the base price.
- Whether dryer vent service is added. It’s a separate service with its own price, but bundling a dryer vent cleaning with duct work is common and cheaper than booking it alone.
Why Equipment Level Affects the Price
Price differences you see in Palo Alto HVAC cleaning quotes are not all margin games. Some of it is equipment. A company using a shop vac and an improvised air hose will quote lower than a company running Rotobrush contact cleaning with a Nikro HEPA negative-air machine in place. The equipment matters because of what happens inside the ducts.
Contact cleaning dislodges compacted debris from duct walls instead of blowing it loose into the airstream. HEPA negative-air keeps that debris contained during the job, so it doesn’t drift out of the vents and settle in your living room. Abatement Technologies containment is the same standard used in professional mold and contamination remediation. Our residential and light-commercial work is priced on this equipment because skipping it lets a contractor offer a low number that isn’t really the same service. If you want to read more about what’s involved in the full process, see our guide to HVAC Cleaning in Palo Alto.
How to Save on HVAC Cleaning
You don’t need to chase the lowest quote to save money on this service. A few practical moves cut real dollars without cutting the work:
- Test before committing. A simple visible-debris check (look at the supply registers for build-up, look at the return grille for dust webs) tells you whether cleaning is actually due. If it’s been under five years and the ducts look clean, you may not need the service yet.
- Book in the shoulder seasons. Spring and fall (March – May, September – November) are less busy than the summer AC crunch and the winter heating spike. Pricing stays steady but scheduling and turnaround improve, and you avoid paying for expedited work.
- Bundle dryer vent cleaning with duct work. One visit, one mobilization, one lower combined price. If both are due, do them together.
- Address small repairs at the same visit. A disconnected joint found during cleaning costs a fraction of what it costs to bring a crew back for it separately.
- Protect your ducts after cleaning. A filter upgrade (Honeywell and Aprilaire systems are what we install and service) is a genuine cost-reducer over the long run. Cleaner air in means slower build-up inside.
- Ask for a free estimate in writing. Any quote worth acting on is itemized and in writing. Ask what’s included (number of registers, return side, containment, register cleaning) before you sign. For a fee estimate, call (833) 620-7085.
When to Repair Ducts vs. Clean Only
Cleaning and repair are not the same service, and we treat them separately because they solve different problems. If the ducts are intact, cleaning is what’s called for. If the ducts are damaged (disconnected joints, crushed flex runs, holes, disconnected boots at registers), cleaning without repair is a short-term fix. You’ll clean the system and then leak conditioned air into a crawlspace or attic, which is both an energy cost and a source of new contamination.
Air Duct Repair is a standalone service for us, which isn’t always the case in this market. Some cleaning companies don’t do repair at all and send you to a general HVAC contractor. Others only repair as part of a cleaning bundle. We handle cleaning, repair, and dryer vent service as one full-scope team, with no subcontracting and no referrals out.
Why Dryer Vent Cleaning Is Priced as a Safety Service
Dryer vent cleaning is a separate line item because it’s a separate service. It’s also the one service where the low price point is more than justified by fire prevention. Lint builds up inside the vent run, restricts airflow, and what lint does when it gets hot and compacted near the dryer is the reason dryer vent fires start in the first place. This is the rare home maintenance item where the cost of the service is low and the cost of skipping it isn’t.
A well-priced dryer vent cleaning starts around $120 for a standard run and moves up for long or heavily compacted runs. What you’re paying for is the proper equipment (the same HEPA negative-air setup we use on duct work, with rotation and extraction tools) and the knowledge to know when the run is actually clear. If your dryer is taking two cycles to dry a load or the exterior vent flapper isn’t opening all the way, that’s the sign to call. Book it with a duct cleaning and the combined price is lower than either alone. Call (833) 620-7085 for a free estimate.
Why Palo Alto Homes Sometimes Cost More
Palo Alto has a specific mix of housing that affects HVAC cleaning pricing. Homes near the Downtown North and Professorville neighborhoods are often from the 1900s – 1940s, which means original ductwork (or a mid-century replacement) that has been patched, extended, and possibly rerouted for additions. Additions mean more duct runs than the original HVAC design accounted for, and duct transitions that need close inspection.
Homes in the Midtown and Barron Park areas tend to have more recent ductwork, which usually means lower cleaning costs and fewer repair surprises. Homes near the Stanford campus and in Old Palo Alto have a mix that runs from fully restored to fully remodeled. And the crawlspace-vented construction common in parts of the foothills changes accessibility pricing on both cleaning and repair work. These are the details we price from, not a generic per-square-foot rate.
FAQs – HVAC Cleaning Cost
How much does HVAC cleaning cost in Palo Alto in 2026?
Most Palo Alto homes pay $350 to $700 for a full HVAC and air duct cleaning. A 1,800 sq ft single-story home typically lands around $450; a 3,000 sq ft two-story home with 15 registers typically lands around $650. Dryer vent cleaning is separate at $120 to $220. Call (833) 620-7085 for a free exact estimate for your specific home.
Is HVAC cleaning worth it for a Palo Alto home?
It’s worth it when the ducts are actually dirty or when someone in the house has a respiratory concern. If a home has had a remodel, pest issue, or just years of service, cleaning removes debris that a filter can’t capture. If the ducts were installed in the last five years and look clean, the money is usually better spent on a filter upgrade. A professional inspection (which we’ll do free) tells you which situation you’re in. Call (833) 620-7085 to book one.
Why do some Palo Alto HVAC cleaning quotes come in much lower?
A $150 quote in Palo Alto usually means one of three things: no HEPA negative-air containment, contact cleaning done with consumer-grade tools instead of Rotobrush, or a “cleaning” that only hits the visible registers. Our price includes professional-grade equipment and a real clean. If the lower number matters most to you, ask any contractor what equipment they bring and what “included” means. The answer will usually explain the gap. Call (833) 620-7085 for a free side-by-side estimate.
How often should HVAC ducts be cleaned?
Every three to five years for most Palo Alto homes, and sooner (every two to three years) if there’s a pet, an allergy sufferer, recent remodeling, or a smoker in the house. Homes that had a water event or pest issue should be cleaned once as part of the cleanup process, not on the regular cycle. Call (833) 620-7085 to schedule a $0-visit estimate.
Can I get HVAC cleaning and dryer vent cleaning together?
Yes, and you should. Combined pricing for HVAC and dryer vent service is lower than booking each separately, and it saves a return visit. A standard combined job in Palo Alto runs roughly $470 to $900 depending on home size and vent run. Call (833) 620-7085 for a free combined quote.
Do you offer air duct repair, or only cleaning?
Both. Air Duct Repair is a standalone service we offer alongside cleaning and dryer vent work, which means you don’t need to call a separate contractor to fix the ducts after cleaning. Small leaks, disconnected joints, and partial reroutes start around $200; major section replacement starts around $600. Call (833) 620-7085 to get a repair scope and price.
Get a Free HVAC Cleaning Estimate in Palo Alto
Quotes are free, in writing, and itemized by service so you know exactly what you’re paying for before anyone touches a duct. If you’ve been putting off a cleaning because the price ranges you’ve seen online don’t match your home, that’s the reason to call: we price from the actual home, not from a national average. Call (833) 620-7085 or visit our home page to schedule. We work with homeowners, landlords, and property managers across Palo Alto, from Downtown North to Barron Park, and we bring the same professional-grade equipment to a single home that we use on light-commercial jobs.
Pricing reflects the Palo Alto market as of 2026. Air Duct Cleaning Palo Alto offers free estimates – call (833) 620-7085.
What Our Customers Say
"Ran a negative air machine on the whole system rather than the shop vac on a stick that the cheap outfit down the road uses. Showed me the before and after photos from inside the trunk line and it was genuinely disgusting."
- Daniela Hernandez"Told me straight that our ducts were in decent shape and didn't need doing every year like the mailer companies claim."
- Gilbert Garcia"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."
- Ryan Delaney