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.
Fast, Reliable Air Duct Cleaning Across Rosemead
Air duct cleaning in Rosemead runs $495 – $795 for a full system on a typical 1,200 – 1,800 sq ft ranch home, with smaller supply-only jobs starting around $350 and larger homes with both supply and return runs reaching $900 or more. We’re Hollis Air Duct Pasadena, and our crews work in Rosemead every week: Muscatel Avenue, Graves Avenue, the neighborhoods off Valley Boulevard, the older blocks near Garvey Avenue. If your ducts haven’t been opened since the home was built, you’re not alone here. Call (626) 469-5477 and we’ll give you a written price before anything starts.
But the real issue isn’t just dust. It’s what’s inside the ducts in this particular city, and what actually removes it versus what just masks it for a week. This page gets specific about that.
Why Hollis Air Duct Pasadena Is Rosemead’s Preferred Air Duct Cleaning Company
We understand why Rosemead homeowners treat air duct cleaning with skepticism. Most of you have received a mailer quoting a low per-vent price, then watched the invoice grow once a tech stepped inside. That won’t happen with us. You get one written price for the whole system before any work begins, and that number holds.
Roy Castellanos leads our team under the Air Duct Cleaning standards of The Garrison Code: arrive inside the window, price in writing, do the job by the book, leave the site clean. That’s not a slogan. It’s the operational rule for every tech who walks into a Rosemead house. Background-checked, uniformed, and accountable to the person whose name is on the company.
Our technicians know what they’re walking into here. When we see a 1964 ranch with a return grille in the hallway floor, we already know what’s probably underneath it. That local knowledge changes how we approach the job. And it’s why our Air Duct Cleaning in Rosemead customers tend to have us back for dryer vents later.
Calls are answered by a live person 24/7. Not a voicemail loop. If you call at 9 pm on a Sunday, someone from our dispatch team picks up. That matters when you’ve got a question about something you smelled in the vents, and you don’t want to wait until Monday.
Styles & brands we work with




Residential Air Duct Cleaning in Rosemead
Residential Air Duct Cleaning in Rosemead typically runs $495 – $795 for a complete supply and return system cleaning on the single-story ranch and minimal traditional homes that dominate this city. That price includes inspection of the return plenum, negative-air extraction, rotary brush agitation through the supply runs, and a written report of what we found and removed. Not a per-vent figure that gets multiplied into something unrecognizable.
For a Rosemead homeowner, this job usually means dealing with ducts that have never been replaced since the home was built between the 1950s and 1970s. Galvanized steel with seams that leak, wrapped in insulation that has deteriorated. The cleaning has to account for that age. You don’t just shove a brush through and call it done. You inspect for damage first, clean by the book, and tell the homeowner what was found.
Whole-System Cleaning, Including Returns
Many Rosemead homes have return ducts that pull air from the crawlspace or attic because of original design flaws from the pre-1970 era. That means the return side is often far dirtier than the supply side. We clean both, and we seal return openings that shouldn’t be open to the attic. A supply-only clean on a house like this misses half the problem.
Video Inspection Before and After
Every residential job includes video inspection. You see what’s inside your ducts before we start, and you see what they look like when we’re done. No guessing, no “trust us.” The footage belongs to you. This is especially useful in Rosemead, where owners of original-duct homes have often never seen the inside of their system.
Commercial Air Duct Cleaning in Rosemead
Commercial Air Duct Cleaning in Rosemead runs $1,200 – $3,500 depending on square footage, number of rooftop units, and whether the building has kitchen exhaust runs. Rosemead’s commercial stock is concentrated along Valley Boulevard and around the Rosemead Place shopping district: small restaurants, medical offices, older retail buildings with rooftop HVAC units that have been through decades of heat and freeway exhaust.
Restaurants here face a specific problem. Rosemead’s dense concentration of Asian restaurants along Valley Boulevard means heavy cooking grease loads in exhaust and makeup air systems. That’s not a residential dust problem. It’s a grease deposit problem that requires negative-air equipment and appropriate filtration. We run Nikro negative-air machines and Rotobrush rotary systems on commercial jobs, the same class of equipment used in larger commercial buildings.
Restaurant and Kitchen Exhaust Systems
Kitchen exhaust cleaning in Rosemead restaurant buildings requires more than a standard duct clean. Grease accumulation in these runs is coarse and persistent, and it has to be physically removed, not fogged. We schedule around business hours so the work doesn’t interrupt service.
Office and Retail Air Handler Cleaning
Offices on Rosemead Boulevard and the medical buildings near Garvey Avenue run their HVAC constantly through the summer. The blower motor and air handler become caked with dust that re-contaminates newly cleaned ducts within weeks if left alone. We clean the handler and blower as part of the job, not as an add-on. That’s the difference between a cleaning that lasts and one that doesn’t.
Trusted Brands We Service in Rosemead
We work on systems from every major manufacturer, and we’re familiar with the specific configurations common in Rosemead’s mid-century homes. Our crews run Rotobrush rotary brush systems for supply-run agitation, Nikro negative-air machines for containment and extraction, and we can install or upgrade filtration from Honeywell, Aprilaire, and Guardsman. If your system still runs fine but your ducts can’t be effectively sealed, we’ll tell you that. If a MERV-13 filter at the air handler solves a persistent dust problem, we’ll install an Aprilaire housing rather than pushing a cleaning you don’t need. Parts for Rosemead jobs don’t require a week of waiting. Our trucks carry what’s needed for most mid-century residential systems.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in Rosemead Homes
Rosemead isn’t like newer parts of the San Gabriel Valley. The housing stock is older, the lots are compact, and the freeways are closer than most people realize. Those factors stack up inside your ducts in a specific way. Here’s what we see repeatedly:
- Atmosphere return contamination. Homes built before 1970 frequently have return ducts pulling air from the attic or crawlspace. We find blown-in fiberglass insulation, rodent droppings, and decades of fine dust inside those returns. This is disproportionately common in Rosemead compared to neighboring cities where returns were sealed or retrofitted. It’s not just dirty – it’s a health issue, and it needs source removal, not fogging.
- Deteriorating asbestos-wrapped duct insulation. Original galvanized steel ducts from the 1950s and 1960s are often wrapped in degrading insulation. You can’t just aggressively brush through these. Our crews use negative-pressure containment so fibers don’t blow into the living space while we clean around and carefully remove what’s compromised.
- Caked-on blower motors and air handlers. A crew that cleans the ducts but skips the blower leaves the engine of the system caked in dust. Within a few weeks, that dust redistributes through the cleaned ducts and the homeowner thinks the job was worthless. In Rosemead’s hot summers, that blower runs constantly from June through September. It has to be cleaned as part of the work.
- Freeway dust and Santa Ana particulate accumulation. The I-10 and I-710 are close enough to deposit fine brake dust and diesel particulate into outdoor air. Santa Ana winds push more of it indoors in fall. Because Rosemead’s semi-arid climate means your AC runs heavily for months, that particulate gets pulled into the return and coats the entire system faster than it would in coastal Los Angeles. It’s not unusual to see a half-inch of gray dust in ducts last cleaned only a few years ago.
Pricing for Air Duct Cleaning in Rosemead, CA
Expect to pay $495 – $795 for a full residential system cleaning in Rosemead, including supply and return runs. Smaller supply-only jobs start around $350. Larger homes with unusually long runs or multiple systems can reach $900. Commercial buildings run $1,200 – $3,500 depending on size and configuration. What changes the number: whether returns pull from the attic or crawlspace (they usually do here, and that adds time), whether insulation needs careful handling around the ducts, and whether the blower motor needs more than a basic cleaning. You’ll get one written price before anything starts. No per-vent math, no upsell ladder, no surprise at the door. Call (626) 469-5477 for a free estimate.
We Also Serve Cities Near Rosemead
If you’re outside Rosemead proper, we also serve El Monte, Temple City, Alhambra, and San Gabriel. Homes in Temple City and San Gabriel often have newer or retrofitted returns, so the specific return-duct contamination we see in Rosemead is less common there. If you’re in one of those areas, give us a call and we’ll tell you what to expect for your specific building era. Our scheduling covers the entire central San Gabriel Valley from metro dispatch.
Serving Rosemead, CA - Our Local Coverage Area
We’re based in the Rosemead 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 About Air Duct Cleaning in Rosemead
Because the duct material and insulation have aged in ways that newer homes don’t experience. Galvanized steel ducts from that era often have deteriorating insulation wraps that can release fibers if treated aggressively. The seams leak. The returns may open directly into attics or crawlspaces. A proper cleaning uses negative-pressure containment so contaminants are extracted out of the home, not blown through it, and the work is matched to the age and condition of the duct. If the insulation is compromised, it needs removal by someone who knows how to handle it. Call (626) 469-5477 for an assessment specific to your home.
Yes, and that’s most of what we do in Rosemead. The question isn’t whether we can clean them – it’s whether the ducts are cleanable or need replacement. We’ll tell you the difference honestly. If they’re still sound, we clean them thoroughly with negative-air extraction and rotary brush agitation. If they’re damaged beyond repair, leaking badly, or the insulation is too far gone, we’ll tell you that too and give you a real price for replacement. You won’t pay for a cleaning on ducts that won’t stay clean. Call us for an honest assessment.
Freeway proximity means fine particulate matter – brake dust, tire dust, diesel exhaust – is consistently present in outdoor air. Your HVAC system pulls that in through the return, especially in summer when the AC runs constantly. Santa Ana winds in fall drive more of it indoors. In our experience, homes within a mile or two of the freeways in Rosemead need duct cleaning every 2 – 3 years to keep the system from becoming heavily coated, versus 3 – 5 years for homes in less exposed areas. A MERV-13 filter at the air handler helps significantly. We can install one as part of the job.
No, you don’t need it. A fogging sanitizer is a chemical mist that doesn’t remove the physical source of odor or contamination. If your ducts pull from an attic or crawlspace with rodent droppings or blown-in insulation fibers, fogging just adds a chemical smell on top. Physical source removal – vacuuming out the debris, sealing the return opening, and cleaning the blower – is what actually solves the problem. Rosemead’s return duct issues are physical, not microbial. Spend your money on source removal and proper return sealing, not a fogging service. Call us and we’ll explain what your system actually needs.
The return side in Rosemead is frequently pulling air from a crawlspace or attic because of pre-1970 design flaws. In a newer Pasadena house, the return is usually a sealed central return that pulls from conditioned space. That means a Rosemead return is often dramatically dirtier – insulation fibers, rodent droppings, fine dust – than anything a newer home experiences. A cleaning that only treats supply ducts misses the problem entirely. We inspect the return plenum as part of every Rosemead job and seal openings that shouldn’t be there. That’s the difference between a cleaning that lasts and one that doesn’t.
If your Rosemead home still has its original ducts and you’re ready to see what’s actually inside them, call (626) 469-5477. Roy Castellanos and the Hollis team will give you a written price before any work starts, do the job by the book, and leave your home clean. The 365-Day Done Right Promise covers every job in writing: if it’s not right, we make it right, at no charge, for a full year.
Written by Roy Castellanos, Owner at Hollis Air Duct Pasadena, serving Rosemead and the central San Gabriel Valley.