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 Lafayette, CA
We provide independent Lennox service across Lafayette, CA, for the Merit, Elite, and Dave Lennox Signature systems that fill the town’s mid-century ranchers and hillside homes. What sets our Lennox work here apart is that we treat Lafayette ductwork as the source, not the background: the oak-heavy foothill lots around this town load return ducts and cased coils with debris that flatland systems never see. We are an independent provider and are not authorized, sponsored, or endorsed by Lennox. Call (877) 212-3243 for a free estimate. We answer 24/7.
Why Lafayette Residents Choose Us for Lennox Service
Lennox equipment has particular habits, and working on it every week teaches you where those habits go wrong. Cabinets vibrate loose. Cased coils load up. Variable-speed blower modules collect dust and start throwing fault codes. We know where to look first on a Merit furnace, an Elite heat pump, or a Signature variable-speed air handler, which saves diagnostic time and gets to the actual problem instead of guessing.
For Lafayette specifically, that familiarity matters because the systems here are old and the ducting around them is older. A Lennox furnace in a 1960s split-level is usually attached to return runs sized by a different era of thinking. We use quality parts that fit the equipment rather than forcing universal parts into a Lennox cabinet, and we schedule around what the home actually needs. Our technicians have up to 8 years of experience. No pitch, no pressure; one flat price per system agreed before work starts. Serving Lafayette means knowing its housing stock as well as its equipment.
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 Lafayette
These are the Lennox issues we run into most in Lafayette homes. Each one tends to trace back to a local cause as much as a mechanical one.
- High return-side static pressure on older Merit furnaces. Original sheet-metal returns in 1950s – 70s Lafayette ranchers were sized for far less filtration than owners now run. Add a thicker filter and the blower fights for air. Airflow drops, the cabinet runs hot, and the furnace short-cycles.
- Loaded Lennox cased A-coils (CBA/CBX series) in tight mid-century closets. Oak mast, leaves, and foothill dust pulled through hillside return grilles coat the coil face. Head pressure climbs and the system starts short-cycling long before anything mechanical fails.
- Dust-coated variable-speed blower modules on Signature and Elite air handlers. Fine dry-season dust settles on the module and blower wheel, and CFM goes erratic. Nuisance fault codes follow. Cleaning the assembly usually settles it.
- Sagging, separated flex-duct runs added onto original Lennox trunk lines. In split-levels, later flex runs often sag and pull apart at the collars. Conditioned air leaks into the crawlspace and Briones-foothill pollen gets drawn in through the gaps.
- Return grilles packed with oak mast and leaf litter. On the hillside side of town, fall and early-winter cleanings uncover far heavier debris than the same system would show on flat ground. Return Duct Cleaning is usually the first step, not the last.
Lennox Service in Lafayette: What Local Conditions Mean for Your Equipment
Lafayette’s return grilles sit directly under a close-in oak canopy on the Briones and Las Trampas foothill side. That changes what a Lennox system here actually breathes. Fall and early-winter cleanings pull far heavier mast, leaf, and fine-dust loads than the same Lennox equipment would show in flatland Walnut Creek or Moraga. Those loads don’t stay in the return duct. They ride the airstream into the cased coil and the blower wheel, and the coating they leave is what drives high head pressure, short cycling, and erratic CFM on variable-speed equipment.
A typical job looks like this: in a 1960s Lafayette rancher or split-level, a Lennox Merit furnace with original sheet-metal returns starts short-cycling and under-delivering airflow after a dry summer. The hillside oak mast and fine dust pulled through those returns usually turn out to be the cause rather than a failed component. A qualified local pro runs video inspection, pulls the Lennox cased coil and blower to clean them, then seals and re-insulates the return runs so the system stops drawing foothill debris. Sealing the leaking flex or collar joints on top of the existing trunk is the other half of the fix, because uncleaned-and-unsealed ductwork just reloads itself the next fall.
Lennox Models & Products We Service in Lafayette
We service Merit Series (EL/ML) gas furnaces and air handlers, Elite Series variable-capacity furnaces and heat pumps, Dave Lennox Signature Collection (SL/XC) variable-speed systems, and the Lennox CBA/CBX cased coils that pair with Merit or Elite furnaces. Those are the systems that fill Lafayette’s mid-century and hillside homes, and each one has its own cleaning and service routine.
Our parts approach is simple: OEM Lennox parts where fit and control compatibility matter, such as blower modules, control boards, and coil assemblies. Quality aftermarket for filters, mastic, flex duct, and vent caps. We’re an independent shop, so we choose what fits the equipment rather than what’s easiest to source. On older Merit equipment with sound heat exchangers, duct sealing, coil cleaning, and blower cleaning are usually the right call. On a failing Signature variable-speed module in a 30-year-old cabinet, we compare repair cost honestly against replacement before recommending either.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Lafayette
Air duct cleaning pricing depends on system size, how many return runs there are, how accessible the ductwork is, and whether the job is cleaning only or cleaning plus sealing and repair. Older Lafayette homes with original sheet-metal returns and tight mid-century closets take more time than newer construction. We give you a free estimate in person and one flat price per system, agreed before any work starts. No per-vent pricing, no teaser number that grows once the technician is on site.
Air duct repair, including sealing separated flex joints and re-insulating return runs, is quoted separately because it depends on what the video inspection turns up. Evaporator Coil Cleaning and Blower Cleaning are often bundled into the same visit so the system gets cleaned as a whole rather than in pieces. Before-and-after photos of your own ducts are part of every job. Call (877) 212-3243 for an exact quote. Estimates are free. Fast dispatch from 7am to 7pm.
Serving Lafayette, CA – Our Local Coverage Area
We serve Lafayette 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 Lafayette
Because Lafayette’s hillside return grilles sit under a close-in oak canopy on the Briones and Las Trampas side, and that canopy loads ducts with mast, leaf, and fine dust on a schedule Walnut Creek’s flatter terrain doesn’t match. Fall and early-winter cleanings here uncover noticeably heavier debris. Call (877) 212-3243 for an inspection.
Often, yes. Dry-season debris collects in the return runs and on the coil face, and when the first rains arrive the system has already been starved of airflow for weeks. High return-side static pressure and a loaded cased coil are the usual culprits, not a failed part. A video inspection confirms it before anyone quotes a repair.
Clean it first if the coil is intact and the only problem is debris loading from oak mast and foothill dust. Replacement only makes sense when the coil is physically damaged or leaking refrigerant. A proper cleaning in a tight mid-century closet usually restores head pressure without touching the coil assembly itself.
Yes. Later flex runs on split-levels sag and separate at the collars, so conditioned air leaks into the crawlspace and pollen gets drawn in through the gaps. Sealing and re-insulating those joints is what stops the system from reloading itself the next fall. Call (877) 212-3243 to price it against what you’re losing now.
Yes. The specialized part is cleaning the variable-speed blower module and wheel without disturbing the control calibration that variable-speed systems depend on. Fine dust coating the module is a common source of erratic CFM and nuisance fault codes, and a careful cleaning usually settles it. Book an inspection through (877) 212-3243.
Service Areas Near Lafayette
We serve Lafayette and nearby towns, including Alamo, Danville, Blackhawk, Camino Tassajara, and the surrounding East Bay communities. Each has its own housing and debris profile, so the work adapts. Learn more about our Lennox service across the region.
Book Your Lennox Service in Lafayette Today
Whether your Lennox system is short-cycling, running hot, or simply overdue for a proper return-side and coil cleaning, we’ll inspect it, quote one flat price per system, and show you before-and-after photos of your own ducts. Independent Lennox service for Lafayette homes, done with quality parts and honest comparisons. Call (877) 212-3243 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by the team at Duct Cleaning Antioch.