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 Ramon, CA
We provide independent Lennox service across San Ramon, and one thing separates our Lennox work here from a generic duct cleaning: we understand flex-duct retrofits tied to Lennox air handlers in this city’s builder-era tract homes, and we know exactly where those systems fail. San Ramon’s housing went up fast from the late 1980s through the 2000s, and the Lennox equipment cooling those homes carries failure patterns we’ve learned to read on sight. Call (877) 212-3243. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Why San Ramon Residents Choose Us for Lennox Service
We work on Lennox equipment regularly. Not occasionally, not as a sideline. The brand’s air handlers, coils and control boards have specific behaviors, and years of hands-on diagnosis build a kind of fluency you can’t fake. Our technicians have up to 8 years of experience, and that time goes into reading static pressure, tracing flex runs through tight joist bays, and knowing which Lennox components respond to cleaning versus which need replacing.
San Ramon homeowners want to understand what they’re paying for. We get that. A cheap in-and-out cleaning that never touches the return plenum or the blower wheel isn’t cleaning at all. We bring Rotobrush brush agitation, Nikro HEPA extraction and Abatement Technologies negative-air filtration to every job, and we show before-and-after photos of your own ducts so you can see the difference between a real system cleaning and a surface pass. We’re an independent Lennox service provider, not affiliated with or authorized by the manufacturer, and that independence means we answer to you, not to a brand’s sales targets.
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 Ramon
Here are the Lennox-specific problems we run into most often in San Ramon homes, and why the local climate and housing make each worse.
- Kinked and torn flex runs behind the air handler. Lennox air handlers in 1990s and 2000s tract homes often connect to flex duct that has bent or split over time. Those damaged runs cut airflow to second-story bonus rooms, and in San Ramon’s 90°F to 100°F summers the system runs longer and hotter trying to compensate.
- Construction debris in the return plenum. Homes in Dougherty Valley and Gale Ranch frequently still hold drywall dust and sawdust in the return plenum from the builder. That debris clogs filters fast, then coats the blower wheel and evaporator coil with a fine gray film.
- High static pressure on variable-speed air handlers. Lennox variable-speed units react sharply to restricted airflow. Undersized or crushed flex duct in tight joist bays pushes static pressure up, which triggers high-limit trips and short cycling right when peak cooling demand hits.
- Condensation and mold in attic runs. San Ramon’s cool, damp winter fog settles into unsealed Lennox duct joints and attic runs. Moisture collects on duct insulation and inside the air handler cabinet, and that’s where the musty smell starts.
- Coil fouling from heavy cooling-season dust. Long summer runtimes pull dust and pollen through the system, and an evaporator coil that never gets cleaned loses capacity. We clean it as part of the job, not as a separate upsell.
Lennox Service in San Ramon: What Local Conditions Mean for Your Equipment
The Bishop Ranch and Dougherty Valley developments were built on graded ranchland and former vineyards, phased in over decades. That history sits inside a lot of homes. Many original Lennox return plenums still hold drywall dust, sawdust and sand from construction, because the builder never cleaned the system before handing over the keys. This is rare in older East Bay cities where ductwork was retrofitted later and the homes had years of settling and cleaning before anyone thought about air quality. In San Ramon, the debris is still there, twenty to forty years on, riding through every cooling cycle.
A typical San Ramon tract home from the 1990s shows the result: a Lennox air handler with flex duct in a hot attic, restricted airflow, dust blowing from the vents. A technician usually finds crushed or disconnected flex runs and a return plenum packed with construction debris. The usual fix is sealing and rerouting the flex duct, cleaning the blower and coil, and pulling the debris out of the return. That job addresses comfort and air quality at the same time.
Lennox Models & Products We Service in San Ramon
We service the full range of San Ramon Lennox residential equipment: Merit Series and Elite Series condensing units, Signature Collection systems, and the CBX27UH and CBX32M air handlers common in newer builds. The air handler is where duct work and equipment meet, so it’s usually where we start. We use OEM Lennox parts when they’re the best fit for critical components like blower motors and control boards, and quality aftermarket parts for standard items like flex duct, mastic and insulation. For older Lennox systems with major ductwork failures, we give an honest read on whether targeted repairs make sense or a full duct replacement is the smarter spend.
See the difference
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After
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AfterLennox Service Pricing in San Ramon
Duct cleaning here is priced per system, not per vent, and the written estimate sets the final number before any work starts. A typical whole-home cleaning in San Ramon runs from about $400 to $800 depending on square footage, number of returns and the condition of the flex duct. Return duct cleaning as part of the job adds to that range. Flex duct repair is estimated separately once we see the runs. The free estimate includes an inspection of your Lennox air handler, a look at the return plenum and a written price you can hold us to. No per-vent pricing, no teaser coupon. Call (877) 212-3243 for an exact quote. Estimates are free.
Serving San Ramon, CA – Our Local Coverage Area
We serve San Ramon 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 Ramon
Cleaning is usually worth it if the ductwork itself is intact. A late-1990s Lennox system with solid flex runs and a clean coil can keep serving the house well after a thorough cleaning and sealing. Replacement makes more sense when the flex duct is collapsed or torn beyond repair. We inspect before recommending either. Call (877) 212-3243 to schedule a free estimate.
Restricted airflow to second-story rooms is the usual cause, and it almost always traces back to flex duct. Long, kinked or crushed runs in tight joist bays cut the air volume the second floor needs. In San Ramon’s 90°F to 100°F summers, that shortfall shows up fast. Sealing and rerouting the affected runs usually fixes it. Call (877) 212-3243 for an assessment.
It’s condensation, and it means moisture has collected on duct insulation or inside the air handler cabinet. San Ramon’s damp winter fog creates exactly those conditions in unsealed attic runs. Left alone, that moisture supports mold growth on the insulation. Cleaning and sealing the affected sections addresses the source. Call (877) 212-3243.
Often, yes. Dougherty Valley was graded and built in phases on former ranchland, and many original Lennox return plenums still hold drywall dust, sawdust and sand from construction. The builder handed over the keys without cleaning the system, and it’s been circulating ever since. We remove that debris as part of return duct cleaning. Call (877) 212-3243 for a free estimate.
Yes. We service variable-speed Lennox air handlers, including the CBX32M, and we pay close attention to static pressure because those units are sensitive to it. Undersized or crushed flex duct can trigger high-limit trips and short cycling, so we measure before we clean. Call (877) 212-3243. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Service Areas Near San Ramon
We serve homeowners throughout the San Ramon Valley, including Camino Tassajara, Blackhawk, Alamo, Danville, Antioch, Oakley and Discovery Bay. If you’re in or near San Ramon, we can schedule a free estimate at your home.
Book Your Lennox Service in San Ramon Today
If your Lennox system is running harder than it should or your vents are pushing dust instead of clean air, get a straight answer about what’s wrong. Call (877) 212-3243 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. One flat price per system, agreed before work starts.
Written by the team at Duct Cleaning Antioch.