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
Lennox air duct cleaning in Lafayette typically runs $350 to $650 for a whole-home system, and the work is usually completed in a single visit. We’re Hallmark Air Duct Cleaning, an independent company providing Lennox duct service across Lafayette’s 94549 ZIP code. The factor that separates Lennox ductwork in Lafayette from anywhere else: after a Diablo-wind burn day, smoke and fine ash get pulled deep into long multi-zone trunk runs in hillside homes, and a standard cleaning that stops at the main trunk won’t touch the rooms where owners first notice the char smell. Call (833) 467-6681 for a free estimate.
Why Lafayette Residents Choose Us for Lennox Service
Lennox equipment is common in Lafayette. The 1960s-to-1990s custom homes off Reliez Valley Road and Happy Valley Road often carry original Elite and Merit furnaces with trunk-and-branch duct systems that have been extended for second units and additions. We work on those systems weekly. Nelson Briggs, our owner, grew up in Oakland’s Fruitvale neighborhood and learned HVAC fundamentals through the building trades program at Laney College, then spent the better part of two decades cleaning ductwork across the East Bay. That background matters when a Lennox plenum in a Lafayette hillside home isn’t behaving the way the installation manual assumes it should.
We’re independent. Hallmark is not an authorized, sponsored, or endorsed Lennox service provider, which means we can tell you plainly whether a repair is worth making or whether a part has failed for good. We fit OEM Lennox parts on critical components like plenum transitions and filter cabinet gaskets, and we use quality aftermarket flex duct and mastic where the OEM part adds no functional value. For broader Lennox sales and service context, that independence is the point: the right tool for the specific system, not a brand-scripted upsell.
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
- Char smell that survives a filter change. Lennox Healthy Climate filter cabinet gaskets dry out and curl after Diablo-wind smoke events, letting ash-laden air leak past the filter seats and coat the return plenum and evaporator coil face. Changing the filter does nothing when the air is bypassing it entirely.
- Smoke odor concentrated in second-floor rooms. Crimped takeoffs on older Elite furnaces pull apart at mastic seams when long multi-zone trunk runs in hillside homes run at high static pressure. The result: smoke odor and dust dumped directly into upstairs runs while the main floor smells fine.
- Collapsed flex branches in ranch-era homes. Original Lennox flex duct in 1970s and 1980s Lafayette ranches sags, kinks, and collapses at the collar. That chokes airflow to vaulted-ceiling rooms and traps ash and eucalyptus debris at the low point of the run.
- Reduced airflow mistaken for a thermostat problem. Signature and communicating Lennox air handlers with ECM blowers pull harder on return static after ash loads on the blower wheel. Owners call about the system not cooling, but the real issue is a fouled wheel and loaded return ducts.
- Musty smell every damp winter. Lafayette’s mild, wet winters leave duct interiors damp, and organic debris trapped from the previous smoke season turns musty. That cycle repeats annually if the ductwork isn’t cleaned and, where needed, sealed.
Lennox Service in Lafayette: What Local Conditions Mean for Your Equipment
Lafayette’s housing stock is mostly large custom and semi-custom homes on half-acre-plus wooded lots with long, multi-zone trunk-and-branch systems. When a Diablo wind pushes wildfire smoke into a Lennox return plenum in one of those homes, that smoke can travel 60-plus feet through runs serving second units and additions. Cleaning that stops at the main trunk leaves the char smell in exactly the upstairs rooms owners notice first. We’ve pulled registers open in Reliez Valley homes where the living room tested clean but a bedroom at the end of a 55-foot flex run smelled like a campfire. That’s a duct-cleaning problem, not a filter problem. Hallmark’s approach on Lennox systems in Lafayette is to clean the full return and supply path, and we bring the same thoroughness to Lennox service in Piedmont.
For a sense of how this local pattern shows up elsewhere in the Lamorinda and East Bay hills, see our Lafayette service area page.
Lennox Models & Products We Service in Lafayette
We service Lennox Elite Series furnaces and matching air handlers, Merit Series furnaces and SL-series heat pumps, Signature Collection variable-speed communicating systems, and Lennox Healthy Climate whole-home air cleaners and filtration cabinets. Most Lafayette homes we see are running Elite or Merit equipment from the 1990s and 2000s, with a growing number of Signature systems in newer or remodeled hillside homes, similar to the Lennox in Berkeley we service. For critical components like filter cabinet gaskets and plenum transitions, we use OEM Lennox parts, because a generic gasket that leaks on the first burn day isn’t a savings. On ductwork itself, where the OEM option rarely matters, we use quality aftermarket flex duct, mastic, and insulation that holds up to Lafayette’s dry summers and damp winters.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Lafayette
A whole-home Lennox duct cleaning in Lafayette generally falls between $350 and $650, depending on system size, number of zones, and how much smoke-season buildup has accumulated. Adding evaporator coil cleaning typically runs $150 to $350 if the coil is accessible. Duct sealing work ranges from $400 to $900 for a typical single-system home here, reflecting the long runs and multiple zones common in Lafayette’s custom builds. What drives cost on Lennox systems specifically is access: hillside homes with long driveways and tight mechanical closets add setup time. We give one flat price per system and walk you through what’s included before any work begins. Call (833) 467-6681 and we’ll put a number on your specific system, free.
Serving Lafayette, CA – Our Local Coverage Area
We’re based in the Lafayette 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 – Lennox Air Duct Cleaning in Lafayette
The filter is likely being bypassed. Lennox Healthy Climate filter cabinet gaskets dry out and curl in Lafayette’s hot, dry summers, and after Diablo-wind smoke events, ash-laden air leaks around the filter seats and coats the return plenum and coil face. We find this constantly in hillside homes off Reliez Valley and Happy Valley roads. Cleaning the ducts without fixing the gasket means the problem returns next burn season. Call (833) 467-6681 and we’ll inspect the cabinet and ducting together.
Yes. We run a smaller van setup specifically for Lafayette’s narrow, winding canyon driveways. There’s a reason this is one of our most common pre-call questions. After a red-flag burn day in the Reliez Valley canyon, we pulled a compact van up a steep driveway to a 1980s custom hillside home running a Lennox Elite furnace with an add-on second-unit branch. The return plenum was loaded with ash, the filter cabinet gasket was curled, and a flex branch feeding an upstairs bedroom had collapsed. We cleaned the full system, reseated the cabinet with new gasket and mastic, and replaced the collapsed branch. The smoke odor was gone from the upstairs rooms. If you can get a car to your house, we can get our equipment there.
For Lafayette homes that sit downwind of Diablo-wind smoke, coil cleaning is often the difference between a job that holds and one that doesn’t. Ash that sneaks past a leaking filter cabinet lands directly on the evaporator coil face, and once it’s there, it holds moisture during the damp winter and feeds the musty smell that returns every spring. Cleaning ducts without addressing a fouled coil means you’ve cleaned the pipes but left the blockage at the source, which is why our Air Duct Cleaning in Lafayette includes coil inspection. We’ll check the coil during the estimate and tell you if it needs work.
We repair where the branch is structurally sound and replace where it’s sagging, kinked, or collapsed at the collar. Original flex duct from that era in Lafayette ranches is frequently past its service life, and a collapsed branch isn’t something mastic can fix. When replacement is the right call, we use quality aftermarket flex duct; the OEM brand adds no functional value on ducting. On repair-versus-replace decisions for the furnace itself, we lean toward targeted repair when the cabinet, coil, and heat exchanger are sound, and we’ll say plainly when a failing heat exchanger makes repair the wrong spend.
Lafayette’s winter dampness converts any organic debris left in the ducts into a musty smell that gets pushed through the house every time the furnace runs. Leaf debris from the oak and eucalyptus canopy around Lafayette homes gets drawn into return plenums, then the damp winters do their work. If your Lennox system smells fine all summer and turns sour by December, that’s the pattern. A proper cleaning removes the fuel source, and sealing the leaks keeps new debris out. Estimates are free, so call (833) 467-6681 for a look at your system.
Service Areas Near Lafayette
Beyond Lafayette, we service Lennox duct systems in Oakland, Berkeley, Piedmont, Alameda, and Richmond. Similar smoke-season and older-housing patterns apply across the East Bay hills. For Lennox-specific pages in nearby cities, see Lennox service in Hercules and Lennox service in Oakland.
Book Your Lennox Service in Lafayette Today
If your Lafayette home’s Lennox system is carrying last season’s smoke or you’ve noticed a char smell that won’t leave the upstairs, call (833) 467-6681 for a free estimate. We work Lafayette’s canyon and hillside homes regularly, and we’ll tell you exactly what’s in your ducts and what it’ll take to set it right.
Written by Nelson Briggs, Owner at Hallmark Air Duct Cleaning, serving Lafayette since 2011.