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.
Air Duct Cleaning Company in Union City, CA
Air duct repair in Union City usually means replacing 40-to-60-year-old flex duct that has sagged, separated, or been chewed through by rodents. Duct Cleaning Milpitas has served Union City since 2018, and the vast majority of repair calls we get in the 94536 and 94587 ZIP codes trace back to the city’s post-war tract housing, where original duct runs through damp crawlspaces have simply reached the end of their service life. We handle the full duct-system picture: repair, cleaning, and dryer vent safety. Call (877) 358-5491 if you suspect your ducts are leaking into a crawlspace or attic.
Why Union City Homes Are Different
Union City sits in a narrow mid-Bay corridor between the East Bay hills and the bay itself. That geography creates a persistent marine layer: cool, damp mornings and wet winters that keep crawlspaces and attic duct runs moist for months at a time. The result is that ductwork here fails differently than it does ten miles inland. Ducts that run through damp crawlspaces in the older parts of town come out with a musty smell that homeowners often blame on the furnace itself. We find the actual source: moisture-soaked insulation around aging flex duct. And because much of Union City’s housing stock dates to the immediate post-WWII bungalow boom and the 1960s-70s ranch-style tract expansion in the Alvarado and Decoto areas, many duct systems are original or once-replaced and have never been inspected. Rodent intrusion into duct runs is common in post-war crawls, and damaged duct sections are frequently discovered only during a cleaning when the scope of the problem becomes visible on camera.
Union City is also one of the most heavily Asian-populated cities in the Bay Area, and many newer residents buying into 94536 and 94587 are purchasing these older homes for the first time. They inherit decades of dust, debris, and sometimes rodent contamination that previous owners never addressed. The damp, fog-influenced climate makes mold and musty odor in duct systems far more acute here than in drier inland cities like Fremont or Newark. That is a Union City-specific reality, and it changes what the work requires.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Our Main Union City Services
Union City homeowners call us for two jobs more than any others, both driven by the age of the housing stock and the damp coastal air. Each has its own dedicated page where you can read the full scope.
Air Duct Cleaning in Union City
In Union City, air duct cleaning is often the first time a homeowner actually sees what has been living in their ductwork for decades. Post-war bungalows and 1960s ranch homes in the Alvarado and Decoto neighborhoods frequently have original flex duct that has been collecting dust, pet dander, and construction debris since the day it was installed. Crews working in the fog belt regularly pull damp, matted insulation and rodent droppings out of return runs. Professional-grade Rotobrush and Nikro equipment makes the difference here: consumer-grade vacuums will not reach 40 feet into a sagging crawlspace run. Read the full scope on our Air Duct Cleaning in Union City page.
Dryer Vent Cleaning in Union City
Dryer vent cleaning in Union City is a safety service first. Lint buildup in dryer exhaust lines is a fire risk, and in older Union City homes the dryer vent is often a long, corrugated run through a crawlspace or wall cavity where lint accumulates out of sight. The damp mid-Bay air makes lint clump and adhere to vent walls faster than in dry climates. Homes in 94536 and 94587 with original laundry locations routinely have vents that have never been cleaned. See the full explanation on our Dryer Vent Cleaning in Union City page.
Air Duct Repair in Union City
Air duct repair in Union City is primarily about failed flex duct and separated joints in post-war crawlspaces and attic runs. The damp marine-influenced air accelerates insulation breakdown, and the city’s older tract homes in the Alvarado and Decoto areas often have ducts that sag between supports, pulling apart at the seams. Rodent intrusion is the second major driver: we regularly find duct runs chewed open and contaminated with nesting debris in Union City crawls. When we repair a duct system, we restore the full air pathway so conditioned air actually reaches the rooms it was designed for, rather than leaking into a crawlspace. That is the core problem this service solves in Union City. If you need broader context, our Air Duct Repair hub page covers the full scope.
Air Duct Replacement
Signs you need it
Rooms that never get warm or cool enough, visible duct sagging in the crawlspace, or rodent damage found during a cleaning.
What it costs in Union City
Duct replacement in Union City typically runs $2,100 to $6,700 depending on the number of runs and how difficult the crawlspace or attic access is.
How we do it
We remove the failed duct runs, seal and insulate the new sections, reconnect every branch to the main trunk, and confirm airflow at each register with a flow test.
Ductwork Repair
Signs you need it
You can feel air blowing in the crawlspace, hear a hissing or rattling when the fan runs, or see dust streaks near register seams.
What it costs in Union City
Ductwork repair in Union City typically falls between $350 and $1,400 depending on whether we are resealing joints, patching a puncture, or replacing a short damaged section.
How we do it
We locate the leak or breach, clean the area around it, apply mastic sealant or replace the damaged section, and verify the repair with a pressure test.
HVAC Duct Installation
Signs you need it
A home addition or remodel in Union City where new rooms need conditioned air, or a system where an old duct layout never worked properly.
What it costs in Union City
HVAC duct installation in Union City typically runs $2,800 to $8,200 for a full run-and-branch layout, with costs rising sharply in tight post-war crawlspaces.
How we do it
We design the run layout to match the home’s existing furnace or air handler capacity, install the supply and return lines, and insulate every section before sealing the connections.
What Air Duct Repair Costs in Union City
| Item | Typical range in Union City |
|---|---|
| Ductwork repair (seal or patch) | $350 – $1,400 |
| Air duct replacement (full system) | $2,100 – $6,700 |
| HVAC duct installation | $2,800 – $8,200 |
Can you repair ducts in a crawlspace without tearing up the floor?
Yes. Crawlspace access panels are the standard entry point in Union City homes, and we work from below without cutting through flooring or drywall.
How long does duct repair take in Union City?
Most repair jobs finish in one day. Full replacement or new installation can run one to three days depending on the number of runs and access conditions.
Brands We Service in Union City
The equipment we run and the products we use are the same ones regarded as industry standards for IAQ work. We come equipped with Rotobrush and Nikro cleaning systems, plus Honeywell, Aprilaire, and Abatement Technologies products for filtration and air quality. Learn more about the equipment on our brands page.
See the difference
Before
After
Before
After
Before
AfterPricing for Air Duct Cleaning Company in Union City, CA
| Service | Typical range in Union City |
|---|---|
| Air duct cleaning (whole home) | $450 – $950 |
| Dryer vent cleaning | $120 – $300 |
| Ductwork repair (seal or patch) | $350 – $1,400 |
| Air duct replacement (full system) | $2,100 – $6,700 |
| HVAC duct installation | $2,800 – $8,200 |
| Duct replacement (partial runs) | $900 – $2,800 |
| Ductwork installation | $2,800 – $8,200 |
In Union City, the biggest price drivers are crawlspace access and the condition of what is already there. Post-war crawls are tight, and if rodent contamination or moisture damage has spread across multiple runs, the job grows accordingly. We quote one flat price per system before any work starts, so you know the number before we open the first access panel.
Neighborhoods We Serve in Union City
We cover all of Union City, including the older neighborhoods where duct problems are most concentrated. Homes in these areas share the same post-war construction patterns and damp crawlspace realities, so the work we do in one part of the city looks like the work we do in another.
- Alvarado
- Decoto
- 94536 corridor
- 94587 corridor
- Contempo / Mission Gateway areas
We schedule by day and route calls by neighborhood, so response time to any Union City address is typically within one to two business days, with scheduling arranged around your availability.
Service Area – Cities Near Union City
Our crews serve the entire mid-Bay and South Bay corridor. Homeowners in Newark, CA and Alviso, CA call us for the same duct repair and cleaning work we do in Union City, and we regularly cross into Milpitas, CA and down to Los Altos, CA for larger homes with longer duct runs.
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 About Air Duct Cleaning Company in Union City
We schedule by neighborhood, not by emergency. Most Union City appointments are booked within one to two business days of your call to (877) 358-5491.
For single-family homes, no. If you are in a townhome or condominium with shared walls, check your HOA rules, but interior duct work almost never requires association approval.
Yes. The equipment runs from the street or driveway, hoses route through a door or window, and we work in the crawlspace or attic without disrupting your living space.
What happens when you call
- 1A real person answersNo phone trees. Talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you. The visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Union City Customers Say
"Quoted per system rather than the bait and switch per vent pricing everybody else in town uses. The number I was told on the phone was the number on the invoice."
- Lucia Hernandez"Told me straight that our ducts were in decent shape and didn't need doing every year like the mailer companies claim."
- Kevin Lin"Fair price and thorough work. They ran about an hour and a half past the estimated finish time, so don't schedule anything tight after."
- Justin Tran