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.
Before
After
Before
After
Before
AfterHow Much Does Air Duct Cleaning Cost in San Francisco?
Air duct cleaning in San Francisco typically runs $450 to $900 for a standard single-family home, with most houses landing near $600-higher than air duct cleaning in San Jose but roughly on par with Seattle. Larger multi-level homes in neighborhoods like Noe Valley or the Sunset, or systems that haven’t been touched in a decade, can climb toward $1,200. Small condos and studios often come in between $350 and $500, because there’s simply less ductwork to reach.
That’s the honest range. Anything quoted much below it usually means corners get cut, and anything wildly above it should come with a written explanation before a technician touches your system. At Cardinal Air Duct Cleaning, you get that written price before any work starts, which means the number you’re quoted on the phone is the number you pay-one reason homeowners choose our Air Duct Cleaning services. No surprise add-ons, no “we found something extra” moment halfway through.
If you’d rather skip the back-and-forth and just get an exact figure, call (737) 727-2314 and a live person will walk you through it. We answer around the clock.
Air Duct Cleaning Cost Breakdown (2026)
Most homeowners want to see where the money actually goes. Here’s how pricing breaks down in the San Francisco market this year. The ranges below reflect real jobs across the city, from Marina condos to Bernal Heights single-families.
| Service / Line Item | Typical Price Range |
|---|---|
| Standard whole-home duct cleaning (up to 10 vents) | $450 – $700 |
| Larger home (11 – 20 vents, multi-level) | $700 – $1,200 |
| Condo or studio (5 vents or fewer) | $350 – $500 |
| Additional vent beyond the base count | $25 – $45 per vent |
| HVAC unit / air handler cleaning | $150 – $350 |
| Dryer vent cleaning (often bundled) | $125 – $225 |
| Mold remediation in ductwork | $500 – $2,500+ |
| Duct sealing or repair | $35 – $75 per linear foot |
| Sanitizing / antimicrobial fogging | $100 – $250 |
What pushes a job toward the top of those ranges? Three things, mostly. The size and layout of the system (a three-story Edwardian with long horizontal runs takes longer than a flat with short ones). The level of contamination (a home that’s never had ducts cleaned will have years of debris to extract). And access, which is the sneaky one. Ducts buried behind finished drywall or routed through tight crawlspaces in older San Francisco buildings take more time and care to reach without causing damage.
What makes a job cheaper? Fewer vents, easier access, and bundling services. If you’re already having us out for air duct cleaning, adding HVAC cleaning or dryer vent work to the same visit usually costs less than booking them separately.
What Affects Air Duct Cleaning Pricing in San Francisco
Pricing isn’t arbitrary. Here are the real factors that move the number up or down in this city specifically.
- Number of vents and registers. Every supply and return vent has to be cleaned individually. A Sunset bungalow with 8 vents and a Presidio Heights house with 22 are two very different jobs, and the price reflects that.
- Age and type of ductwork. San Francisco has a lot of older housing stock. Pre-1950 buildings often have original rigid metal ducts (good) or aging flex duct that’s brittle and harder to clean without tearing (trickier). We assess duct condition before quoting, not after.
- Access and building layout. Vertical townhomes, converted Victorians, and buildings with ducts running through unheated crawlspaces all take longer. That’s labor, and labor is a big part of the bill.
- Level of contamination. Coastal fog and damp air mean San Francisco homes can develop more moisture-related buildup in ductwork than drier inland areas. Heavier debris means more extraction time with our Nikro HEPA vacuums.
- Mold or pest issues. If there’s visible mold, rodent droppings, or nesting material in the ducts, that changes the scope of the work and needs containment. We use Abatement Technologies containment units for exactly this reason, so debris and spores don’t spread into your living space.
- Add-on services. HVAC unit cleaning, sanitizing, duct sealing, and dryer vent cleaning all add to the base price, but bundling them into one visit is almost always cheaper than scheduling separate appointments.
How We Price the Work (No Guessing)
Here’s the part where we differ from a lot of the duct cleaning industry. You get a written price before a single duct is touched. It doesn’t change at the door. Technicians arrive uniformed and background-checked, so you know exactly who’s coming before you open it. And you’ll get a live, trackable arrival window instead of a four-hour “sometime this afternoon” block.
We run professional-grade equipment on every job. Rotobrush rotary brush systems break loose the buildup that’s stuck to duct walls. Nikro HEPA vacuums pull it out under negative pressure, which means the loosened debris goes straight into the vacuum rather than back into your living room. For jobs involving mold or heavy contamination, Abatement Technologies containment keeps the work area sealed. This is the difference between a real duct cleaning and someone running a shop vac through your vents.
Every job is backed by our 365-Day Done Right Promise: if the work isn’t right within 365 days, we come back and make it right at no charge. That covers every booking, not a hand-picked few. Repairs come with a written guarantee plus a free second visit if anything fails.
How to Save on Air Duct Cleaning in San Francisco
You don’t need a coupon to keep the price reasonable. A few practical moves help.
- Bundle services in one visit. Adding HVAC cleaning or dryer vent cleaning to a duct cleaning costs less than booking them separately, because the technician and equipment are already there. It also means one arrival window instead of three.
- Get a written price up front. This protects you more than any discount. A quote that’s firm in writing can’t balloon once the technician is inside. Ask for it before you book.
- Clean on a schedule, not in a panic. Ducts that get cleaned every 3 – 5 years stay easier (and cheaper) to clean than ones left for 15. Catching buildup early means less extraction time.
- Address moisture at the source. San Francisco’s damp air is the root of a lot of duct problems. Fixing a chronic leak or improving ventilation can keep mold from returning, which saves you a far more expensive remediation later.
- Skip the upsells you don’t need. A good company will tell you when sanitizing or sealing isn’t necessary. If every quote somehow includes five add-ons, that’s a sign to get a second opinion.
- Ask about free estimates. There’s no reason to pay for a number. Call (737) 727-2314 and we’ll give you a range based on your home, your vents, and your system. No charge, no pressure.
Is It Cheaper to Repair or Replace Ducts?
Repair is almost always cheaper in the short term, and for most San Francisco homes it’s the right call. Patching a section of leaking or damaged duct might run a few hundred dollars. Replacing an entire duct system typically starts around $3,000 and climbs past $8,000 depending on the home.
Replacement makes sense when the ductwork is badly deteriorated, undersized for your HVAC system, or so contaminated that cleaning won’t fix the problem. That’s a rare situation, though. In most of the homes we see around the city, cleaning plus targeted sealing solves the issue at a fraction of replacement cost. We’ll tell you honestly which one you’re looking at. If replacement is genuinely the better path, we’ll say so, written guarantee and all.
Does Air Duct Cleaning Actually Help in San Francisco’s Climate?
Yes, and the local climate is part of why. San Francisco’s coastal fog and year-round humidity keep indoor air damper than most of the Bay Area. Damp ductwork collects dust, pollen, and organic matter faster than dry ductwork does, and that buildup is what feeds mold and odors. Homes near the ocean in the Richmond or Sunset districts tend to see more of this than homes higher up or further inland.
Cleaning removes the buildup that traps moisture and circulates it through your living space. It’s not a cure for a leak or a broken HVAC system, but it keeps the ducts themselves from becoming part of the problem. For anyone with allergies, or anyone who’s noticed a musty smell when the heat kicks on, that difference is noticeable.
FAQs – Air Duct Cleaning Cost in San Francisco
How much does air duct cleaning cost in San Francisco?
Most San Francisco homes pay between $450 and $900, with a typical single-family house around $600. Condos and studios often fall between $350 and $500, and large multi-level homes can reach $1,200. Call (737) 727-2314 for an exact quote based on your vents and system. Estimates are free.
Is it cheaper to repair or replace air ducts?
Repair is almost always cheaper. Fixing a damaged section usually runs a few hundred dollars, while full duct replacement starts around $3,000 and can exceed $8,000. Replacement only makes sense when the ductwork is badly deteriorated or undersized. We’ll give you a written price for either option before any work begins.
Can you come today?
Often, yes. We answer calls 24/7 with a live person, and we can frequently schedule same-day or next-day service depending on the job. You’ll get a trackable arrival window, so you’re not stuck waiting around. Call (737) 727-2314 and we’ll tell you what’s open today.
How much does it cost to clean a dryer vent in San Francisco?
Dryer vent cleaning typically runs $125 to $225, and it’s cheaper when bundled with air duct cleaning during the same visit. A clogged dryer vent is a real fire risk, not just a lint annoyance, so it’s worth doing on its own schedule. Ask about it when you call for your duct estimate.
Why do some San Francisco duct cleaning quotes seem so much lower?
Low quotes usually mean one of three things: fewer vents than your home actually has, no real equipment (just a shop vac and a brush), or a price that jumps once the technician is inside. Our written price is fixed before we start and doesn’t change at the door. If another quote looks too good, ask for it in writing, then compare.
Does air duct cleaning cost more in older San Francisco buildings?
Sometimes, yes, mostly because of access. Victorians, Edwardians, and other pre-1950 buildings often have ductwork routed through tight crawlspaces or behind finished walls, which takes longer to reach carefully-similar challenges affect How Much Does Air Duct Cleaning Cost in Staten Island, NY? (2026 Price Guide). Duct condition matters too. We assess both before quoting, so the price reflects the actual job, not a flat template.
What’s Included When You Book with Cardinal
Every Cardinal Air Duct Cleaning booking comes with the same standards, no matter the size of the job:
- A written price before any work starts. Always included, never optional.
- Background-checked, uniformed technicians. You’ll know your technician’s name before you open the door.
- Professional-grade equipment. Rotobrush rotary brush systems, Nikro HEPA vacuums, and Abatement Technologies containment on every applicable job.
- Before-and-after photo documentation. You see exactly what came out of your ducts.
- The 365-Day Done Right Promise. If the work isn’t right within 365 days, we return and correct it at no charge.
- A live, trackable arrival window. No four-hour guessing games.
- A digital invoice payable by link. Phone-native from first tap to final receipt.
Cardinal is the air duct specialist of the Relay Home Co. family, founded in 2005. Each location is independently owned but held to The Relay Visibility Guarantee, which is where the live tracking, photo proof, and written pricing come from. If you want to understand how we run a job before you book, our home page lays out the whole standard.
Get Your Exact San Francisco Price
Numbers on a page are a starting point. Your home has its own vent count, duct layout, and history, and the only way to get a real figure is to ask. We’ll give you a range over the phone and a written price before we start, backed by the 365-Day Done Right Promise and a crew that arrives on time, in uniform, with the right equipment.
No vague estimates. No shifting prices. No four-hour window. Just a straight answer and a job done right.
Call (737) 727-2314 for a free estimate. A live person answers, 24/7. Book it, track your technician’s arrival, and pay from your phone when it’s done.
Pricing reflects the San Francisco market as of 2026. Cardinal Air Duct Cleaning offers free estimates – call (737) 727-2314.
Written by Omar Haddad, Owner at Cardinal Air Duct Cleaning, serving San Francisco since 2005.
What Our Customers Say
"Booked a slot in the app, got a reminder text, and watched the crew's van on the map as it came. Cleaned all the vents and the main trunk. Easy from start to finish."
- Rob J."Cleaning plus HVAC coil clean. Tech texted when he was ten minutes away. No surprises on the price."
- Evan S."Dryer vent fix fixed the burning smell. The clog was behind the elbow and the whole laundry room smells normal now."
- Dennis K.