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 Union City, CA
Lennox air duct cleaning in Union City typically runs from $450 to $900 for a whole-home system, depending on duct count and how much the marine air has deposited inside. The one thing that makes our Lennox work different here: we know the bay-side fog cycle and what it does to Lennox evaporator coils and flex duct specifically. We’re Duct Cleaning Union City, an independent Lennox service provider, and we serve the full Union City area from the Decoto flats to the hillside tracts. Call (877) 824-3121 for a free estimate.
Why Union City Residents Choose Us for Lennox Service
We’ve worked on Lennox systems in Union City long enough to know which components fail first when salt fog and bay silt get into the picture. Nelson Abreu, our owner, grew up in the Alvarado neighborhood and went through the HVAC/R program at Chabot College in Hayward. He’s been the guy neighbors call after a cheap duct cleaning crew made things worse. Our team approaches every Lennox job the same way: inspect first, clean thoroughly, seal what leaks. We use Rotobrush and Nikro commercial duct cleaning equipment, not consumer vacuums, because Lennox duct systems with variable-speed blowers and tight coil fins demand real negative-pressure cleaning. For Lennox sales & service, we bring an independent eye. We’re not factory-authorized, which means our recommendations are based on what the system actually needs, not what a manufacturer program tells us to push. From cleaning to repair, we handle the full scope without farming work out to another contractor.
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 Union City
- Salt-caked evaporator coils. Marine fog condenses on Lennox coils in bay-side Union City homes, leaving salt residue that corrodes aluminum fins and traps bay silt. We clean Lennox coil fins with coil-safe cleaners and soft-bristle brushes, then check for corrosion that cleaning can’t reverse.
- Pinhole leaks in original flex duct. Decoto and Alvarado ranch homes from the 1950s-70s often still have their first Lennox flex runs. Humid attic air weakens the outer jacket, and the inner liner develops pinholes. We find these during video inspection and seal them with mastic, or replace badly sagging sections.
- Debris-loaded blower wheels. Lennox Signature Collection systems use variable-speed motors that pull fine dust and construction debris into the blower wheel. That imbalance causes vibration and reduced airflow. We remove the blower assembly, clean it properly, and reinstall it.
- Undersized returns baking dust onto heat exchangers. Many older Union City homes have returns that are too small for today’s Lennox air handlers. The added static pressure forces the system to work harder, and dust gets baked onto heat exchanger surfaces. We clean what can be cleaned and flag undersized returns so you know what’s fixable now versus later.
- Musty ‘wet dog’ smell on first AC start. After a foggy stretch, Union City duct systems hold moisture. When the first hot weekend hits and the AC cycles on, that damp debris smell blows through every register. We clean the coils, ducts, and blower, then verify airflow so the smell doesn’t return. The signature phrase we live by: Clean ducts don’t fix everything, but dirty ones make everything worse.
Lennox Service in Union City: What Local Conditions Mean for Your Equipment
Here’s what inland cities like Fremont or Hayward don’t deal with: Union City sits in the fog belt between the bay and the hills. Bay-side neighborhoods pull fine bay-mud silt through outdoor air intakes, and that silt lands on Lennox evaporator coils, mixes with salt-laden marine air, and creates a paste that blocks airflow and accelerates corrosion. The first hot weekend after a foggy stretch is when the phone rings. Homeowners on the bay side of Union City turn on the AC and get hit with a musty, sour smell. That’s the silt and moisture baking off the coil. We plan coil and duct cleanings around that fog-to-heat cycle, because doing this work in spring before the first real heat wave means cleaner air all summer. If you live near the bay shoreline, your Fairview Lennox service needs this attention more than the same system in a Hills area subdivision would. The climate is the variable. The equipment is the same. What changes is what gets inside it.
Lennox Models & Products We Service in Union City
We service the full Lennox service in Cherryland and Union City: Merit Series, Elite Series, Signature Collection, and Dave Lennox Signature Collection. That includes the outdoor condensers, indoor evaporator coils, and the air handlers that push air through your ducts. For critical components like blower motors, control boards, and coil assemblies, we source OEM Lennox parts. For duct sealing, filter grilles, and general repair work, quality aftermarket materials do the job well and keep costs reasonable. We keep common sealants, mastic, filter media, and coil cleaning supplies on the truck so most Union City jobs don’t need a second visit. When a Lennox coil or heat exchanger is corroded beyond cleaning, we’ll walk you through a repair-vs-replace assessment honestly. No pressure to swap a whole system when sealing and cleaning gets you years more.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Union City
Air duct cleaning for a typical Union City home runs $450 to $900. Larger homes with more extensive runs can go higher. Evaporator coil cleaning typically adds $150 to $300 depending on access and corrosion level. Duct sealing and repairs are quoted after a video inspection shows exactly what’s needed. What drives the cost in Union City specifically is access: older ranch homes in Decoto and Alvarado often have tight attics, and hillside split-levels have harder-to-reach duct runs. Every quote includes a full video inspection of the duct interior before we start, so you see what we see. Call (877) 824-3121 for an exact quote. Estimates are free, and we’ll give you a flat price per system before any work begins.
Serving Union City, CA – Our Local Coverage Area
We’re based in the Union City 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 Union City
That smell is moisture and organic debris sitting on your Lennox evaporator coil and inside the ducts. Union City’s marine layer keeps attics and crawlspaces humid, and when the AC cycles on after a foggy stretch, the warm air passing over that damp coil releases the odor. The fix is a coil and duct cleaning that removes the silt and moisture source. Call (877) 824-3121 and we’ll inspect it.
It depends on what the video inspection shows. Flex duct from the 1960s and 70s often has pinholes and sagging sections that leak air, but if the inner liner is intact, cleaning and sealing is cheaper than replacement. If the duct has collapsed or the liner is torn, replacement is the honest call. We’ll show you the footage and let you decide.
Salt-laden marine air condenses on the cold coil surface and leaves salt deposits on the aluminum fins. Over time, that causes pitting and corrosion, and the rough surface collects more silt and dust. Lennox repair in San Lorenzo and Bay-side Union City homes get this worse than hillside homes. Regular coil cleaning slows the corrosion, but eventually the coil may need replacement. We’ll tell you which path makes sense based on what we see.
New construction debris is the usual culprit. Drywall dust, sawdust, and insulation fibers get into the duct system before the registers are covered, and tighter duct runs in new infill townhomes don’t shed it easily. A one-time clean after move-in removes the debris that keeps blowing into living spaces. It also gives you baseline footage of your duct condition for future reference.
We inspect Lennox in East Palo Alto and Union City heat exchangers for cracks, corrosion, and dust buildup, especially in older ranch homes where undersized returns have forced the system to run hot for years. We can clean accessible surfaces and advise when a heat exchanger has failed enough that safety becomes a concern. That’s a repair-or-replace conversation, and we’ll be straight with you about it.
Service Areas Near Union City
We serve Union City and the surrounding East Bay communities regularly, including Union City service area coverage across all neighborhoods. If you’re across the bay, we also provide Lennox service in Redwood City and Lennox service in Menlo Park. We work in Foster City, San Lorenzo, and East Palo Alto as well. Whether your Lennox system is in a Decoto ranch or a BART-area townhome, we know the equipment and the local conditions that affect it.
Book Your Lennox Service in Union City Today
If your Lennox system smells off, blows weak, or hasn’t had its ducts cleaned in years, call (877) 824-3121. We’ll schedule a video inspection, give you a flat price, and get the work done with professional-grade Rotobrush and Nikro equipment. From cleaning to repair, we’re built for this work and we serve Union City year-round.
Written by Nelson Abreu, Owner at Duct Cleaning Union City, serving Union City and the East Bay since 2008.