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 Air Duct Cleaning Across San Dimas
Air duct cleaning in San Dimas typically runs $350-$650 for a full residential system, with most homes falling in the $450-$550 range depending on system size and contamination level. We’re usually scheduling within a few days, and every estimate starts with a written price before any work begins. If you’re in San Dimas and your registers are pushing less air than they used to, or there’s a persistent dusty smell when the HVAC kicks on, that’s worth a call.
We’ve been working in San Dimas since 2005, long enough to know the difference between a standard ranch home off Arrow Highway and a property up near San Dimas Canyon Road where the duct profile looks completely different. Our crews dispatch from the Los Angeles office and carry Rotobrush and Nikro equipment sized for both the compact post-1960s tract homes that dominate central San Dimas and the larger equestrian properties in the northern foothills. Wherever you are in the city, we’ll give you a written price upfront, protect your floors with drop cloths and shoe covers from the moment we walk in, and leave you with a photo of the clean-up before we go. Call (323) 918-4345 to get on the schedule.
Why Morton’s Air Duct Cleaning Is San Dimas’s Preferred Air Duct Cleaning Company
San Dimas homeowners call us back because we treat the house like it’s our own. That means quiet tool settings during nap hours, pet-safe product choices where they’re available, and technicians who notice the dog on the floor before they move equipment. Our background-checked, uniformed crews work to the Cedarwell C.A.R.E. values, and every job carries the 365-Day Done Right Promise - if something isn’t right, we make it right, full stop.
We’ve built our reputation in San Dimas one visit at a time. Homeowners in neighborhoods from downtown San Dimas to the canyon roads know we’ll show up when we say we will, explain exactly what we’re going to do before we touch anything, and never add a surprise line item after the work starts. The photo of the clean-up we leave behind isn’t a gimmick; it’s proof your home was left better than we found it. And when you call (323) 918-4345, a live person answers - 24 hours a day, not a voicemail tree.
Local knowledge matters here. We understand how San Dimas’s position against the San Gabriel Mountains creates unique duct contamination patterns that crews from flat-valley cities simply don’t encounter. That expertise translates to more thorough cleans and fewer callbacks.
Air Duct Cleaning Services in San Dimas
Air Duct Cleaning Services in San Dimas cover the complete removal of accumulated dust, debris, and contaminants from your home’s duct network, using professional-grade equipment to restore airflow and reduce the particulate load circulating through your living space. A typical full residential system cleaning in San Dimas runs $350-$650, with most standard single-family homes in the $450-$550 range. Equestrian properties or homes with heavy post-wildfire contamination may run higher due to the additional passes required.
San Dimas homeowners usually schedule this service when they notice reduced airflow at registers, visible dust blowing from vents, or a persistent musty or smoky odor when the system runs. The 1960s-1980s ranch homes common throughout San Dimas are particularly prone to duct accumulation because decades of flex duct sagging and joint separation have created capture points where debris collects.
Residential Duct Cleaning
Our residential work covers supply ducts, return ducts, trunk lines, and register boots, with Rotobrush agitation tools and negative-pressure HEPA collection to contain debris rather than redistribute it. We work around your schedule, including quieter operation during children’s nap times, and we protect floors and furniture with drop cloths before any equipment enters.

Commercial Duct Cleaning
San Dimas businesses along Bonita Avenue and Arrow Highway benefit from scheduled cleanings that minimize disruption to operations. We coordinate access during off-hours where needed, and our written pricing applies to commercial systems just as it does to residential - no per-vent add-ons, one flat price per system agreed before work starts.

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.
HVAC Duct Cleaning in San Dimas
HVAC Duct Cleaning in San Dimas addresses the full mechanical system, not just the visible duct runs, including the blower motor, evaporator coil, and plenum where smoke residue and fine ash from San Gabriel Mountain fire events tend to settle. A complete HVAC duct cleaning in San Dimas typically costs $450-$750 for residential systems, with the higher end reflecting coil treatment and post-wildfire source removal. Commercial systems are quoted individually based on unit size and access.
San Dimas’s inland foothill position means Santa Ana wind events funnel desert dust through San Dimas Canyon and load return systems faster than in shielded communities to the west. Combine that with wildfire smoke infiltration during fire seasons, and the standard “every three to five years” cleaning interval often doesn’t hold here. Many San Dimas homes, especially those near open land or unpaved roads, benefit from more frequent assessment.
Video Inspection
We run camera inspection before and after cleaning, particularly critical in San Dimas’s older ranch homes where degraded flex duct joints may be hiding separations that would simply redistribute dust back into living spaces. You’ll see what we see, and we’ll point out any structural issues that cleaning alone won’t fix.
Full System Cleaning
This covers supply and return ductwork, registers, grilles, blower assembly, and evaporator coil access permitting. In San Dimas’s equestrian zones, full system cleaning often requires additional agitation passes to break up compacted hay dust and animal dander that standard single-pass methods leave behind.
Trusted Brands We Service in San Dimas
Our crews arrive with professional equipment from Rotobrush, Nikro, Aprilaire, and Abatement Technologies - brands chosen because they hold up to the demanding contamination profiles we encounter in San Dimas, from standard household dust to the compacted organic loads in equestrian-zone returns. We stock filters and replacement components compatible with Honeywell and Guardsman systems commonly installed in San Dimas’s post-1960s housing stock, which means faster turnaround when a cleaning reveals a worn component that needs addressing. This isn’t rental-grade equipment; it’s the same tools we trust on our own homes, maintained and calibrated for consistent performance job to job.
Common Air Duct Cleaning Problems We See in San Dimas Homes
- Compacted hay dust in equestrian-zone returns. Properties along San Dimas Canyon Road and the northern foothills regularly present return ducts packed with dense, layered hay dust and animal dander that a single-pass cleaning won’t dislodge. Our crews plan for multiple agitation cycles and verify with camera inspection before calling the job complete.
- Degraded flex duct seals in 1960s-1980s ranch homes. The attic duct runs common in San Dimas’s post-incorporation housing stock have endured 40-60 years of extreme summer attic temperatures. Seals crack, joints separate, and any cleaning without prior inspection simply blows debris into the attic or back through gaps into living spaces.
- Post-wildfire smoke residue coating. After San Gabriel Mountain fire events, fine ash and smoke particulates infiltrate San Dimas homes and adhere to duct interiors and evaporator coils as a sticky film. Standard seasonal cleaning won’t remove this residue; it requires source removal chemistry and coil treatment specifically targeting smoke deposits.
- Santa Ana wind dust loading. Wind events through San Dimas Canyon drive fine desert and chaparral dust through any loose duct connections or poorly sealed returns, accelerating accumulation beyond what flat-valley cities experience. Homes near open land or with older envelope sealing see this effect most acutely.
Pricing for Air Duct Cleaning in San Dimas, CA
Here’s what honest pricing looks like for San Dimas homeowners. A typical full residential air duct cleaning runs $350-$650, with most standard single-family homes in the $450-$550 range. HVAC duct cleaning with coil and blower access runs $450-$750. Equestrian properties or homes requiring post-wildfire source removal may extend to $800-$1,200 due to the additional labor and passes involved.
| Service | Typical Range in San Dimas |
|---|---|
| Full residential duct cleaning (standard home) | $350-$650 |
| Most common single-family ranch home | $450-$550 |
| HVAC duct cleaning with coil/blower | $450-$750 |
| Equestrian property / heavy contamination | $800-$1,200 |
| Video inspection (standalone) | $150-$250 |
What moves you within these ranges? System size, contamination level, accessibility of attic duct runs, and whether coil treatment or joint repair is needed. We do not price per vent. One flat price per system, agreed in writing before any work starts. No surprises on the invoice. Call (323) 918-4345 for a free estimate - we’ll ask the right questions about your San Dimas home to give you an accurate number, not a bait-and-switch range.
We Also Serve Cities Near San Dimas
Our crews regularly work in San Dimas and the surrounding communities, including La Verne to the west, Glendora to the east, Covina to the south, and Azusa to the northwest. Scheduling is coordinated from our Los Angeles office, with local crews serving each area. If you’re in one of these neighboring cities and found this page, the same pricing structure and Cedarwell Care Promise apply to your home. Our Air Duct Cleaning team covers the full eastern San Gabriel Valley with the same written-price-upfront standard on every visit.
Serving San Dimas, CA - Our Local Coverage Area
We’re based in the San Dimas 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 San Dimas
Every 2-3 years for most rural and semi-rural San Dimas properties, compared to the 3-5 year standard for fully developed neighborhoods. Santa Ana winds through San Dimas Canyon drive fine dust through any envelope gaps, and homes near unpaved roads or equestrian properties see accelerated loading from organic particulates. Call (323) 918-4345 and we’ll assess your specific situation - estimates are free.
Yes, repeatedly and measurably. San Dimas’s position directly against the San Gabriel Mountains makes it one of the most smoke-exposed communities in the eastern San Gabriel Valley during fire events. Ash and fine particulates are drawn into HVAC intakes and settle throughout duct systems, coating evaporator coils with a sticky residue that standard cleaning won’t remove. We recommend post-fire assessment and source removal cleaning within weeks of significant events. Call (323) 918-4345 to schedule inspection.
The contamination profile is completely different. Our tech was called to a ranch-style home off San Dimas Canyon Road where the return ducts were packed with compacted hay dust from the adjacent paddock and the blower motor was pulling noticeably weak. We ran camera inspection to map the fouling, then used Rotobrush agitation tools under negative pressure with HEPA filtration to pull the compacted load out of the supply and return ducts in multiple passes. The homeowner noticed immediate airflow improvement at the registers and scheduled a follow-up for the outbuilding system. Single-pass cleaning would have left most of that load in place.
San Dimas developed heavily after its 1960 incorporation, leaving a large stock of ranch-style tract homes with original or early-replacement flex duct systems now 40-60 years old. Attic duct runs in these single-story homes endure extreme summer temperatures that accelerate seal degradation and sagging. Cleaning without camera inspection risks blowing debris through hidden joint separations back into living spaces. We inspect first, clean second, and flag any structural issues for repair.
Absolutely. The canyon geography funnels desert and chaparral dust directly into San Dimas, loading return systems faster than in shielded flat-valley communities like Covina or West Covina. Homes with older envelope sealing or visible gaps around returns see the most pronounced effect. If you’re noticing more frequent dust accumulation on surfaces or reduced airflow between service intervals, wind-driven loading is likely a factor. Call (323) 918-4345 for an assessment and realistic cleaning interval for your specific location.
Ready to get your San Dimas home’s ductwork properly cleaned? Call Morton’s Air Duct Cleaning at (323) 918-4345 for a free estimate. We’ll give you a written price before any work starts, protect your home with drop cloths and shoe covers from the moment we arrive, and leave you with a photo of the clean-up and our 365-Day Done Right Promise stamped on every job. No per-vent pricing. No surprises. Just honest work from a crew that knows San Dimas.
Written by Paul Adeyemi, Owner at Morton’s Air Duct Cleaning, serving San Dimas since 2005.




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