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.
Lennox Air Duct Cleaning in San Dimas, CA
We provide independent Lennox air duct cleaning across San Dimas, and the one thing that makes our work here different is that we schedule return-duct cleanings by wind event, not by calendar. When the Santa Anas pour down the San Gabriel canyons, foothill-side homes get packed with gray silt and ash weeks before flatland neighborhoods. We’re not a Lennox dealer or factory shop, just a crew that’s pulled enough canyon dust out of Lennox returns to know exactly where it hides. Call (855) 382-4830 for a free estimate.
Why San Dimas Residents Choose Us for Lennox Service
Marty Barrera grew up in the Cable Airport corridor of Upland and trained in HVAC technology at Chaffey College before spending well over a decade in the trade. He started Duct Cleaning Upland in 2012 after a family member’s asthma flare-ups traced back to neglected ductwork. That’s the reason we treat air duct cleaning as an indoor air quality job, not a quick vacuum pass. Our techs know the return-air and coil configurations Lennox used across its 1990s through 2010s residential lines. We show up with Rotobrush and Nikro systems built for commercial and remediation work, plus Abatement Technologies negative-air equipment. You can see the difference in our equipment before we even start. For San Dimas homeowners with Lennox systems, that means a cleaning that addresses the actual dust load this canyonside town produces.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Common Lennox Air Duct Cleaning Problems We Solve in San Dimas
- Return plenum gaskets dried out and pulling silt. Older Lennox Merit and Elite air handlers use gaskets at the return plenum that dry-rot in hot attic spaces. When canyon wind pushes through San Dimas foothill attics, those cracked gaskets become entry points for fine gray silt that coats the blower wheel and evaporator coil.
- Sagging flex duct at the supply trunk. 1960s through 1980s San Dimas tract homes often have original rigid metal trunks with flexible duct replaced piecemeal over the years. Santa Ana wind cycling and attic heat cause that flex to sag at low points, trapping debris and starving back bedrooms of airflow.
- Condensate drain pans holding wind-blown dust. Lennox cased coils in mild wet winters can hold moisture in the drain pan. Add wind-blown dust from the foothills and you get a mud-like film that odors the supply air when the system first kicks on.
- Heat exchanger baffles loaded with wildfire ash. Older Lennox Signature furnaces collect fine particulate from San Gabriel wildfire ash events. Left uncleaned, the restricted airflow stresses the blower motor and raises static pressure until the system starts cycling on high-limit.
- Return grilles clogging faster than flatland homes. Foothill-side San Dimas streets near Bonelli Park and Puddingstone see return registers packed with gray dust weeks before Covina or Glendora homes show the same load. If your Lennox return grille looks like it’s been through a dust storm, it has.
Lennox Service in San Dimas: What Local Conditions Mean for Your Equipment
San Dimas sits at the mouth of the San Gabriel Valley where the canyons funnel wind and dust down from the mountains. That’s not a generic dry-climate problem. The trade winds that pour through the San Gabriels pack fine particulate through every return grille, and the homes tucked against the foothills near Bonelli Park edge and the hillside streets get the worst of it. We see Lennox return registers on those streets load up with gray canyon silt and wildfire ash weeks before anything shows up in flatland homes. That’s why we schedule Lennox return-duct cleanings here by wind event. After a strong Santa Ana, we tell San Dimas customers to check their return grilles. If it’s gray, the blower wheel and coil behind it are already wearing that same dust. Clean ducts don’t announce themselves, you just notice you’re breathing easier.
Lennox Models & Products We Service in San Dimas
We work on residential Lennox air handlers, cased coils, gas furnaces, and the ductwork attached to them. That includes Merit Series units like the 14ACX and ML14XC1, Elite Series equipment like the EL16XC1 and XC21, and Signature Collection furnaces including the SL280 and SLP98. When we service a Lennox system in San Dimas, we clean the ducts, inspect the return plenum, and check the evaporator coil for the dust and ash load this area produces. For parts, we use OEM Lennox components when the exact fit matters, like blower wheels, coil pans, and gaskets. For generic items like flex duct, mastic, and vent caps, we use quality aftermarket equivalents that hold up. If a Lennox system is over 15 years old with a corroded coil or cracked heat exchanger, we’ll give you an honest repair-versus-replace number instead of pushing a rebuild that won’t last.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in San Dimas
Air duct cleaning for a typical San Dimas home runs between $450 and $900 depending on the number of systems, the duct layout, and how heavy the dust load is. A full system including return ducts, supply ducts, and evaporator coil cleaning typically lands between $650 and $1,100. Dryer vent cleaning is a separate service, usually $90 to $160. What drives the cost here is the canyon dust and ash load on foothill-side streets. Homes off Puddingstone Drive or near Bonelli Park edge often need more time on the return side because the plenum and coil are caked. Every job gets a written estimate before work starts, and final pricing comes from that estimate. Call (855) 382-4830 for an exact quote. Estimates are free.
Serving San Dimas, CA – Our Local Coverage Area
We serve San Dimas and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs – Lennox Air Duct Cleaning in San Dimas
Because your home sits in the path of canyon wind that funnels down from the San Gabriels into San Dimas. Foothill-side streets near Bonelli Park and Puddingstone get packed with fine silt and wildfire ash that flatland Covina homes don’t see for weeks. If your return grille is gray, call (855) 382-4830 and we’ll inspect the plenum and coil behind it.
Usually it’s the condensate drain pan on the cased coil holding moisture that mixed with wind-blown dust. That creates a mud-like film that odors the supply air when the system kicks on. We clean the pan, flush the drain line, and clean the coil surface. Call (855) 382-4830 and we’ll take a look.
Yes. We access the coil through the existing service panel, use negative-air containment with Abatement Technologies equipment, and clean the coil in place with our Rotobrush and Nikro systems. Pulling the entire air handler is rarely necessary. Call (855) 382-4830 for a free estimate.
After a heavy wind season with visible ash in the return grilles, schedule a full cleaning. Foothill-side homes near the canyons may need it every two to three years. Homes closer to the historic downtown can usually go longer. Call (855) 382-4830 and we’ll help you figure out where your home falls.
We use OEM Lennox parts when the exact fit matters, like blower wheels, coil pans, and return plenum gaskets. For flex duct, mastic, and vent caps, we use quality aftermarket equivalents that perform just as well. We’re an independent shop, so we choose parts based on what works best for your system. Call (855) 382-4830 to talk through what your system needs.
Service Areas Near San Dimas
We serve San Dimas and the surrounding foothill and valley communities, including Upland, Glendora, Azusa, Claremont, and La Verne. If you’re in Pomona or Charter Oak, we handle Lennox duct cleaning there too. And for every San Dimas home, the canyon wind dust pattern is what we plan around.
Book Your Lennox Service in San Dimas Today
If your Lennox return grille is gray with canyon silt or your system smells stale when it starts up, call (855) 382-4830. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. The estimate is free, and you’ll see the difference in our equipment when we arrive.
Written by Marty Barrera, Owner at Duct Cleaning Upland, serving San Dimas since 2012.