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 air duct cleaning across Lafayette, and the work here differs from the flat-lot East Bay suburbs. Lafayette’s hillside homes in 94549 sit on sloped lots with long attic duct runs, so a Lennox system in this town typically carries its debris load in unconditioned attic spaces, not the living area. That changes how we clean it. We’re not affiliated with or authorized by Lennox; we’re a local crew that works on this equipment weekly and understands how Lafayette’s oak pollen, wildfire ash, and dry-season dust settle into Lennox coils, blowers, and flex runs. Call (855) 382-9257 for a free estimate.
Why Lafayette Residents Choose Us for Lennox Service
Frank Peralta grew up in the Castro Valley Highlands and studied HVAC systems at Chabot College before spending years in the trade across the East Bay. He started Duct Cleaning Castro Valley in 2012, and the crew has worked on Lennox equipment in Lafayette ever since. What that means for you is simple: we know how Lennox cabinets, slab coils, and flex-duct runs actually collect debris, and we name the equipment we use because the process matters. Rotobrush rotary agitation, Nikro HEPA-rated extraction, and Abatement Technologies negative-pressure containment come standard on our calls. Clean ducts are the start; sealed, intact ducts are the finish. We’re independent, which means we diagnose what your ductwork and air handler are actually doing and fix that, without a manufacturer’s script to follow.
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
- Slab-coil packing on Signature and Elite air handlers. Lennox slab-style evaporator coils collect oak pollen and fine wildfire ash until airflow drops and the coil ices. Most Lafayette calls we see are a cleaning issue, not a refrigerant one. We pull the coil, clean the blower wheel and drain pan, and put airflow back where it belongs.
- Debris coating on Merit-series blower wheels. Lennox Merit-series furnaces with standard PSC blowers pull dust past loosely fitted filter racks. The blower wheel gets coated, and a gray film settles on the heat exchanger. It reduces efficiency before anything actually fails. Rotary brushing plus HEPA extraction clears it.
- Sagging flex-duct runs in unconditioned attics. Lafayette’s hillside homes often have long flex runs through hot attics. Heat cycling makes the flex sag and separate at seams, so dust and ash settle in the low spots instead of reaching the return. We re-support the runs and seal the seams.
- Leaky return plenums on older G-series furnaces. Older Lennox G-series installations in 1950s through 1980s Lafayette homes often have undersized return plenums, taped rather than mastic-sealed. Attic dust and eucalyptus pollen get drawn in around the cabinet seams. Sealing those seams stops the attic from feeding your system.
- Wildfire ash throughout the system. After a bad fire season, fine ash finds its way into every part of a Lennox system in Lafayette. It packs coils, coats blowers, and sits in the low spots of flex runs. A full system cleaning, not just a filter change, is what actually clears it.
Lennox Service in Lafayette: What Local Conditions Mean for Your Equipment
Lafayette’s hillside homes in 94549 sit on sloped lots with crawlspaces and long attic duct runs. On Lennox systems here, we routinely have to rotary-brush runs that a flat-lot East Bay house would never have, because the debris load is concentrated in the attic, not the living space. Oak and eucalyptus pollen, dry-season dust, and wildfire ash settle into those unconditioned attics through vent gaps and around loose duct seams. A Lennox system in a home off Happy Valley Road, for example, might have a return plenum pulling attic air through a taped seam that opened years ago. The fix is not just cleaning the ducts; it’s sealing the plenum with mastic, re-supporting the flex so low stops stop trapping debris, and then cleaning the coil and blower. That’s the difference between a duct cleaning that lasts a season and one that actually holds up through Lafayette’s dry summers and wet winters.
Lennox Models & Products We Service in Lafayette
We work on Lennox residential split systems, heat pumps, and the older 78-series and G-series furnaces still running in Lafayette’s hillside homes. The Merit Series gas furnaces, Elite Series variable-speed air handlers and heat pumps, and Dave Lennox Signature Collection furnaces with XC-series heat pumps all show up on our schedule. For coil, blower, and control replacements where fit and longevity matter, we use OEM Lennox parts. For consumables like filter racks, mastic, and flex, quality aftermarket materials do the job. On older Lennox equipment, we’ll tell you straight when a coil-and-blower refresh plus sealing is worth the money, versus putting it into a system near the end of its life.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Lafayette
Air duct cleaning for a Lennox system in Lafayette typically runs between $450 and $900, depending on the number of zones, the length of attic runs, and how packed the coil and blower are. Evaporator coil cleaning as a focused service usually costs $200 to $450. Duct sealing ranges from $600 to $1,500 based on how many seams and plenum connections need mastic. Sealing can also cut the energy loss from leaky attic runs, which matters on hot Lafayette summer days. These are estimated ranges; the written estimate sets the final price. We give one flat price per system before any work starts, and the estimate is free. Call (855) 382-9257 to set one up.
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
Usually, yes. In most Lafayette cases we see, the icing comes from a slab-style Lennox evaporator coil packed with oak pollen and fine ash. Airflow drops, the coil gets too cold, and ice forms. It’s a cleaning issue before it’s a refrigerant one. Call (855) 382-9257 for a free estimate, and we’ll scope the coil before and after so you can see exactly what was blocking it.
They need more attention to the return side. Older G-series and 78-series installations often have undersized return plenums with taped seams that fail. Attic dust and eucalyptus pollen get drawn in around the cabinet. We clean the ductwork and seal those plenum seams, which is what actually stops the attic from feeding the system.
In most cases, yes. We remove the access panel and pull the coil for cleaning, but we don’t disassemble the entire air handler unless the blower housing itself is packed. The blower wheel and drain pan get cleaned at the same time. You’re back in service the same day in most Lafayette homes.
After a heavy smoke season, once the air clears, is the right time. For hillside homes near oak woodland, every three to five years is a reasonable interval, more often if you have pets, allergies, or recent renovation dust. If you can see a gray film on the return grille, it’s already time. Call (855) 382-9257 and we’ll give you an honest read on whether a cleaning is worth it right now.
Yes, and it’s often the part of the job that makes the biggest difference. In Lafayette homes with unconditioned attics, leaky return plenums and separated flex seams pull attic air into the system before it ever reaches the filter. Mastic-sealing those connections, then cleaning what’s downstream, tackles the source. Estimates are free: call (855) 382-9257.
Service Areas Near Lafayette
We serve Lafayette and the surrounding East Bay communities, including Walnut Creek, Moraga, Danville, and Castro Valley. If you’re in one of these towns and your Lennox system needs attention, we’re close by.
Book Your Lennox Service in Lafayette Today
Clean ducts don’t need a sales pitch; the before-and-after scope footage does that work. Call (855) 382-9257 for a free estimate on Lennox air duct cleaning in Lafayette. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by Frank Peralta, Owner at Duct Cleaning Castro Valley, serving Lafayette since 2012.