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.
Fast, Reliable HVAC Cleaning Across Noe Valley
HVAC cleaning in Noe Valley means working inside homes built before forced air existed. The ductwork here is retrofit work, crammed into crawl spaces and floor cavities that were never designed for it. That changes how a system gets dirty, where mold takes hold, and how carefully it has to be cleaned. CleanRun Air Duct Cleaning has handled these systems since 2013, and we show you photographic proof of every duct run before and after the work. Call (806) 606-6902 and you’ll get a written price before anyone touches a panel.
Key takeaways:
- A typical HVAC cleaning in Noe Valley runs $450-$750 depending on system size and duct condition
- We photograph the inside of every duct run before and after, so you see exactly what was removed
- Retrofit ductwork in pre-1920 row houses needs more than standard negative-pressure cleaning
- Every job carries a written 365-Day Done Right Promise, not a verbal “trust us”
Why CleanRun Air Duct Cleaning Is Noe Valley’s Preferred HVAC Cleaning Company
Most companies that clean ducts in Noe Valley send a crew with a portable vacuum and a coupon. We send uniformed, background-checked technicians with a written scope of work and commercial equipment from Rotobrush and Abatement Technologies. The difference shows up in the photo record. When we pulled the return duct from a 1908 Edwardian on Elizabeth Street last winter, the camera showed a six-foot flex run sagging into standing crawl-space condensation. Green-black mold had colonized the fiberglass liner. We removed the source, resealed the crawl-space transition, and replaced the crushed register boot. The homeowner got photos of all of it.
Noe Valley homeowners tend to be detail-oriented. They want evidence, not reassurance. That’s exactly how we work. Haven Standard Clause 1 means a written price is delivered before any work starts, every time. Clause 3 means verified crews: background-checked, uniformed, identified by name before they walk in. And since 2013, CleanRun Air Duct Cleaning has served more than 52,000 homes, every single one with a documented photo record when the crew left. That’s the record we leave behind in Noe Valley too.
Our HVAC Cleaning Services in Noe Valley

Evaporator Coil Cleaning
Noe Valley’s morning marine layer settles into the sheltered hollow south of Twin Peaks and lingers until the sun burns it off. That moisture finds its way into the air handler, and the evaporator coil catches the worst of it. A coil with a layer of gray sludge can’t transfer heat efficiently, which means your system runs longer and your energy bill climbs. In older Noe Valley homes where the air handler sits in an unconditioned basement or garage, coil fouling happens faster than in a newer, sealed mechanical room. We clean the coil with pressure-appropriate methods, not a wire brush that can flatten the fins.

Blower Cleaning
The blower wheel is the lungs of the system, and in many Noe Valley row houses it’s moving air through ducts that pass through crawl spaces with decades of accumulated dust. When the blower wheel’s fins get coated, airflow drops. That’s especially problematic in retrofit systems, which are already undersized for the homes they serve. We remove the blower assembly, clean the wheel and housing, and document it with the same before-and-after photo standard we use on every job in Noe Valley.

Condenser Cleaning
The condenser outside your Noe Valley home also works harder than it should. Victorian and Edwardian lots are tight, and the condenser often sits in a side yard or light well where debris accumulates. Leaves from the plum and eucalyptus trees that line streets like Sanchez and Douglass get pulled into the coil. Combined with the sulfates and salt film from bay-adjacent air, the coil loses its ability to reject heat. Cleaning the condenser coil and straightening damaged fins restores capacity. It’s straightforward work, but it should be done as part of a complete system clean, not as a stand-alone $59 special.

Air Handler Cleaning
In Noe Valley, the air handler often lives in a crawl space or a small basement that was never meant to house mechanical equipment. That means it’s exposed to moisture and often inaccessible. The inside of the air handler catches everything the ducts deliver: dust, mold spores, insect debris, and in some homes, the fine particles that sifted through old floor-furnace cutouts before they were patched. We open the air handler, clean the interior surfaces, inspect the condensate pan and drain line, and put it back together with a written record of what we found.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Noe Valley
We service residential HVAC systems of every major make, and we stock replacement filters and common parts to minimize turnaround time for Noe Valley homeowners. On jobs that require negative-pressure extraction in tight crawl spaces, we use Rotobrush and Nikro equipment with HEPA filtration. For sanitizing and source removal at the crawl-space transition point, we run Abatement Technologies units. We name these brands because you should be able to look up the equipment we’re using before you agree to a price. If a company won’t tell you what’s in the van, ask why.
Common HVAC Cleaning Problems We See in Noe Valley Homes

- Mold in flex-duct patches under crawl spaces. Noe Valley’s uninsulated crawl spaces trap morning condensation, and flex duct laid across that moisture wicks it into the insulation lining. Mold colonies grow inside the duct, and every supply register delivers the smell into living space.
- Unsealed transition points at old floor-furnace cutouts. Many Victorians had original floor furnaces, and when central air was retrofitted, the cutouts were patched over. If that patch is not airtight, the system pulls crawl-space air directly into the supply side. We test transitions with a smoke pencil during every system inspection in Noe Valley.
- Dust and debris accumulating at blind bends and crushed elbows. Retrofit duct runs in row houses make tight turns around structural members. Debris builds at these points and eventually restricts airflow. Standard home-inspector-grade “cleaning” with a shop vac never reaches these areas. Our agitation tools do.
- Condensate drain failures in air handlers installed in damp basements. Noe Valley basements and crawl spaces of pre-1920 construction often lack slab drainage. The air handler’s condensate pan overflows or the drain line clogs, and the standing water feeds microbial growth. We clear the line and treat the pan as part of every air handler cleaning.
Pricing for HVAC Cleaning in Noe Valley, CA
Here are honest numbers for the Noe Valley market. A complete HVAC cleaning on a typical single-zone retrofit system in a Victorian or Edwardian row house runs $450-$650. Larger two-story homes with multi-zone systems run $650-$850. Evaporator coil cleaning as an add-on is typically $120-$180. Condenser cleaning runs $95-$160. The final written price depends on system size, duct accessibility, and whether we’re addressing mold or extensive source removal, not on how much we think you’ll pay. That’s Haven Standard Clause 1, and it’s been our practice since the first job in 2013.
If you have a competitor’s written estimate, bring it. We offer a free second opinion, and we’ll put our price next to theirs in writing. Call (806) 606-6902 and we’ll schedule the system inspection and photo record.
We Also Serve Cities Near Noe Valley

Our crews serve Noe Valley and the surrounding Bay Area, including dispatches into Noe Valley proper, plus San Francisco neighborhoods from the Mission to the Castro to the Sunset. We also coordinate HVAC Cleaning jobs in Los Angeles, San Diego, and San Jose from our San Francisco Bay Area office, with local technicians handling each service area.
Serving Noe Valley, CA - Our Local Coverage Area
We’re based in the Noe Valley area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - HVAC Cleaning in Noe Valley

The musty smell is coming from inside the ductwork, not from the filter. In Noe Valley, retrofit ducts pass through crawl spaces that trap morning condensation. When flex duct sits against that dampness, the insulation liner grows mold, and the air handler pushes that odor through every register. A dirty filter removes some airborne particles but does nothing about mold growing inside the duct runs themselves. The fix is source removal: mechanical cleaning of the duct interior and repair of the transition points where crawl-space air enters the system. We’ll show you the photos that confirm what we removed. Call (806) 606-6902 for a written assessment.
Yes, and the crawl space is exactly why it matters. The marine layer settles into Noe Valley’s hollow and leaves condensation in uninsulated crawl spaces under these old homes. Ducts running through that space absorb moisture, and the interior of the duct becomes a growth surface. Cleaning the ducts removes what’s already there, but we also inspect and document the crawl-space transitions because that’s where the contamination keeps coming from. Sealing those transitions is part of a real cleaning, not an add-on. If a company proposes duct cleaning without addressing the crawl-space transition, they’re selling you half a job.
We remove the supply and return registers, run negative-pressure extraction with HEPA filtration at the air handler connection, and then work each duct run with agitation tools designed for low-clearance, short-radius turns. Retrofit ductwork in Edwardian floor cavities is full of blind bends and flex-duct patches. We don’t rely on suction alone because it misses debris packed at those bends. The agitation loosens the debris, the negative pressure pulls it out, and a camera inspection before and after documents the result. The photo record is part of every job, every time.
No, not as a substitute for mechanical cleaning. Fogging fills the duct with a sanitizing mist, but in Noe Valley’s twisty retrofit runs, the fog never reaches the blind bends and low spots where mold actually thrives. It treats the air, not the surface, and contamination returns within weeks. Source removal is what actually works: physically removing the mold colony and the debris it’s attached to, then addressing the moisture path that let it grow. Fogging can have a role as a final step after cleaning, but a company that offers it instead of cleaning is not solving your problem.
In Noe Valley, every four to five years is a reasonable interval for most homes. Newer construction in the Sunset tends to have straighter, sealed ductwork in insulated spaces, so it can go longer between cleanings. Noe Valley’s combination of retrofit ducts, crawl-space moisture, and marine-layer condensation means debris and mold accumulate faster. If you have pets, are doing renovation work, or you’ve noticed musty odors from the registers, you may need it sooner. The camera inspection tells us exactly what’s inside, and the photos tell you whether the cleaning was worth it.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning. Serving Noe Valley with HVAC cleaning since 2013.




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