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 Brentwood
HVAC cleaning in Brentwood, CA typically runs $425-$780 for a full system cleaning of a two-story tract home, and the job takes about 3-5 hours with a two-person crew. If you live along Balfour Road, Lone Tree Way, or Sand Creek Road, you already know the fine brown dust that settles on window sills and return grilles within days of a good cleaning. That same particulate is inside your duct runs, your blower, and your evaporator coil, and it’s not a cosmetic issue. It’s the reason your upstairs rooms never quite cool and why the AC smells musty when it kicks on after sunset. Call (806) 606-6902 for a written price before any work starts.
Why CleanRun Air Duct Cleaning Is Brentwood’s Preferred HVAC Cleaning Company
We’ve spent years working Brentwood’s 2000s-era production homes, from the two-story layouts south of Sand Creek Road to the newer developments north of Lone Tree Way. The duct systems here are nearly identical from house to house: long horizontal supply runs, upstairs air handlers shoehorned into hallway closets, and return grilles that pull dust from the same orchard-lined streets. That consistency means we can walk into a Brentwood home and know what we’ll find before we open the first panel.
Every job starts with a written price under Haven Standard Clause 1. No estimator phone call, no “we’ll see once we get in there.” We put the scope and the dollar amount in writing before a single register comes off. And when the crew finishes, you get a documented photo record of every duct run, inside, before and after. Tomas Reyes, who leads our crews, has been on enough Brentwood jobs to know that showing you the inside of your own ducts is the fastest way to build trust. You see the brown coating on the supply walls and the caked dust around the first elbow. Then you see it gone.
Our HVAC Cleaning Services in Brentwood

Evaporator Coil Cleaning
The evaporator coil sits on top of your furnace or inside your air handler, and in Brentwood it collects a baked-on layer of agricultural dust and a dark microbial film. That film grows in the coil’s condensation cycle, especially during the June-to-September stretch when the system runs 12-16 hours a day. We remove the access panel, photograph the coil, then clean it with a professional-grade coil cleaner that breaks the bond between the fins and the organic material. A clean coil moves heat the way it was designed to, which means your system reaches setpoint faster and pulls fewer amps. In a two-story Brentwood home, the upstairs unit usually shows the worst buildup because it runs harder against a hotter attic.

Air Handler Cleaning
Brentwood’s two-story homes typically have one furnace in the garage and a second air handler in an upstairs closet or attic. The upstairs unit is the one that gets forgotten, because the closet door stays shut and the filter gets changed maybe once a year if the homeowner remembers. We disassemble the air handler cabinet, remove the blower wheel, and clean the entire interior surface where dust and microbial growth have settled. This matters more in Brentwood than in coastal cities because the dust here carries organic farm particulate that holds moisture longer than plain household lint.

Blower Cleaning
A blower wheel caked with dust moves less air, plain and simple. In Brentwood, where triple-digit Julys push homeowners to crank the thermostat down to 72°, a dirty blower is the difference between a system that holds temperature and one that runs constantly and still leaves the upstairs at 80°. Our crews pull the blower assembly, clean each blade, and reinstall it with the photo record to prove the before and after. We’ve pulled blowers from Sand Creek Road homes that were so loaded with brown particulate they looked like they belonged in a farm shed, not a 2012-built house.

Condenser Cleaning
The condenser is the outdoor unit, and in Brentwood it sits in the path of Delta wind corridor dust every afternoon. Fins clog with cottonwood fiber in early summer, cherry and peach harvest dust through midsummer, and grass clippings year-round in homes that back up to open lots. We clean the coil fins with low-pressure water after a fin straightening pass, because a bent fin array blocks airflow even when the unit looks clean from six feet away. A condenser that breathes properly rejects heat properly, which protects the compressor and shaves runtimes during peak cooling months.

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.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Brentwood
We work on systems from every major manufacturer installed in Brentwood’s 2000s tract homes, and we stock common parts for Honeywell and Aprilaire air quality components, plus Guardsman coil treatments. If your system uses a Honeywell UV air treatment or an Aprilaire media filter cabinet, our crews service those units in place during the cleaning. We don’t sell you a new filter cabinet unless yours is actually failing. The point of the visit is documented cleaning and repair, not a parts counter pitch.
Common HVAC Cleaning Problems We See in Brentwood Homes

- Brown-coated registers within one season. Homes along Balfour Road and Lone Tree Way that back directly onto tilled fields pick up more dust in six months than a Walnut Creek house collects in four years. We pull the register and photograph it before cleaning so you can see exactly what we mean.
- Musty odor on startup after a hot day. When the AC shuts off at night, condensation left on the coil and in the drain pan feeds microbial growth on the organic dust coating the coil. The next time it kicks on, that damp, earthy smell pushes through every register. Cleaning the coil and treating the drain pan solves it; a fogging treatment alone doesn’t.
- Two-story airflow imbalance. Brentwood’s production builders ran long supply ducts from garage-mounted furnaces to upstairs bedrooms, and those runs lose velocity as dust builds on the interior walls. Homeowners compensate by closing downstairs registers, which increases static pressure and shortens blower life. A full duct cleaning restores the original airflow balance.
- Upstairs air handlers ignored for a decade. The closet or attic unit gets skipped because it’s out of sight and the access panel is awkward. We find blower wheels caked with dust and coils so clogged they’re freezing over by late afternoon. The unit works harder, runs longer, and pushes less air. You hear it; you just don’t know what it is until we open the cabinet and show you.
Pricing for HVAC Cleaning in Brentwood, CA
Expect a full-system HVAC cleaning in Brentwood to run $425-$780. A single-system ranch or smaller single-story home with an accessible furnace and no upstairs air handler typically lands at $425-$520. A two-story production home with two air handlers, long horizontal runs, and an attic unit runs $600-$780. Condenser-only cleaning is $125-$190. If you want evaporator coil cleaning, blower cleaning, air handler cleaning, and full duct cleaning together, that’s the full-system price, written down before we touch a panel. No per-vent pricing, no bait price on the phone. We bring a written quote, under Haven Standard Clause 1, and you decide. Call (806) 606-6902 for an exact number for your home.
We Also Serve Cities Near Brentwood

Our crews cover Brentwood and the surrounding East Contra Costa County communities, including HVAC Cleaning in Brentwood plus Oakley, Antioch, Pittsburg, and Danville. Many of our Oakley and Antioch jobs are referrals from Brentwood homeowners who want the same written pricing and documented photo record for family and friends across the county line.
Serving Brentwood, CA - Our Local Coverage Area
We’re based in the Brentwood 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 Brentwood

Brown duct interiors in Brentwood are almost always agricultural dust, not age. The Delta wind corridor pushes fine particulates from surrounding orchards and row-crop fields through the valley every afternoon, and your return from the upstairs hallway pulls that air into the duct system. A ten-year-old Brentwood duct run typically looks like a twenty-five-year-old duct in a coastal city. The dust is organic, it holds moisture, and it bakes onto duct walls during the triple-digit runtimes from June through September. A full cleaning with negative-pressure extraction removes it at the source. Call (806) 606-6902 and we’ll show you the before photos from homes in your own neighborhood.
No. Fogging alone leaves the caked agricultural particulate in place, and that particulate is the substrate the microbial growth feeds on. Fogging a dirty duct is like spraying sanitizer on a dirty dish; it knocks down surface odor for a few weeks, then the underlying organic layer rehydrates with the next condensation cycle and the smell returns. The correct sequence is source removal first, meaning extraction of the debris from the full duct run, then coil and blower cleaning, then treatment if needed. Anyone selling fogging as the primary fix is skipping the actual work. We’ll show you the before and after photos so you can see the difference between a fogged duct and a cleaned one.
The smell is microbial growth on the evaporator coil and the organic dust coating it. During a hot Brentwood day, the coil condenses moisture continuously. When the system shuts down at night, that moisture sits on a coil surface loaded with agricultural dust and feeds the growth. The next startup pushes that damp, earthy air through every register. The fix is to clean the coil, clean the drain pan and drain line, and remove the dust from the duct runs so there’s nothing left to grow. A coil cleaning usually eliminates the odor within one cooling cycle. Call (806) 606-6902 and we’ll schedule it in writing.
In most of the Bay Area, annual duct cleaning is overkill. In Brentwood, it’s often justified, and the reason is the agricultural dust load combined with the extreme summer runtimes. Homes along Balfour Road, Lone Tree Way, and Sand Creek Road that back onto tilled fields can show visible register discoloration within one growing season. If your registers are brown, your ducts are worse. We tell Brentwood homeowners to pull a register and look at the inside of the duct themselves. If it’s coated, book a cleaning. If it’s clean, wait. We’ll never sell you a cleaning you can see you don’t need, and we’ll photograph everything so there’s no ambiguity.
Yes. Tight closet air handlers are standard on Brentwood’s two-story production homes, and our crews work those spaces routinely. We lay down floor protection from the door to the work area, bag the register openings before cutting access, and run our extraction equipment under negative pressure so pulled debris exits through the vacuum system, not into your hallway. The closet unit gets the same photo record as the garage furnace: inside the cabinet, blower wheel, coil, before and after. You’ll see the work happened whether the space is six feet wide or sixteen inches deep. Call (806) 606-6902 for a written price on your specific layout.
Ready to see what’s actually inside your Brentwood ducts? Call Tomas and the CleanRun crew at (806) 606-6902. You’ll get a written price before any work starts, a documented photo record when we finish, and the 365-Day Done Right Promise in writing. Free second opinion on any competitor’s estimate, no cost and no obligation.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning, serving Brentwood and East Contra Costa County.




Before
After
Before
After