Whole-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.
Fast, Reliable Air Duct Cleaning Across Fremont
Air duct cleaning in Fremont, CA typically runs $350-$650 for a complete residential system, with most jobs scheduled within a few business days and completed in a single visit. Our crews work out of the San Francisco Bay Area office and serve Fremont neighborhoods directly, from Ardenwood to Warm Springs. Call (323) 918-4345 for a free written estimate with one flat price per system agreed before any work starts.
We’ve been cleaning ducts in Fremont long enough to know the city isn’t one uniform market. The same service call in Mission San Jose turns up entirely different problems than one in Niles or Centerville. That’s why our Air Duct Cleaning team arrives with equipment matched to what we’ll actually find, not a generic truck setup.
Why Morton’s Air Duct Cleaning Is Fremont’s Preferred Air Duct Cleaning Company
Fremont families call us back because we treat their homes like our own. Our technicians wear shoe covers and lay drop cloths from the moment they walk in. We use quieter tools during nap hours. We ask where the pets are before we start. Every visit ends with a photo of the clean-up, so you see the home is left better than we found it.
Our written price comes before any work starts, every single time. No per-vent add-ons. No surprises when the invoice arrives. That matters in Fremont, where many of our customers are families who’ve been burned by low teaser quotes that ballooned once the crew was inside.
We’re part of the Cedarwell family, but we’re independently owned and operated. The Cedarwell Care Promise and our 365-Day Done Right Promise back every job. If something isn’t right, we make it right. Full stop.
A live person answers our phone 24/7. Not a chatbot. Not a voicemail tree. A real human who can schedule your Fremont appointment or answer questions about what we’ll find in your particular neighborhood.
Air Duct Repair in Fremont
Air Duct Repair in Fremont usually starts with a discovery that surprises homeowners: the ducts aren’t just dirty, they’re physically failing. In Centerville and Irvington tract homes built during the 1960s and 1970s, we regularly find original flexible ductwork that has crimped, collapsed, or separated at joints. The conditioned air leaks into crawlspaces and attics instead of reaching the rooms. A typical repair in Fremont runs $200-$500 for joint sealing and minor section replacement, or $800-$1,500 when multiple runs need replacement.
Crushed and Separated Runs
First-generation flexible duct in Fremont’s older homes was never designed to last fifty-plus years. We’ve pulled out sections in Irvington that had compressed to half their original diameter, choking airflow and forcing the HVAC system to run longer. Our crew cuts out the damaged portion and replaces it with properly sized, insulated flex duct, then seals every connection with mastic, not tape that will fail again in two years.
Leak Detection and Sealing
Even when ductwork looks intact, pressure testing often reveals significant leakage. In a 1968 ranch home off Mission Boulevard in Mission San Jose, our techs ran camera inspection through the supply and return ducts and found the original first-generation flexible duct crushed and separated at two joints, with a 3/4-inch layer of fine tan dust lining every run. We set the system under negative pressure with HEPA filtration, used agitation tools to knock the compacted Altamont dust loose, and later sealed the separated joints and replaced the crushed section before reconnecting the air handler. The homeowner’s utility bill dropped noticeably the next month.
Ductwork Cleaning in Fremont
Ductwork Cleaning in Fremont means more than blowing debris around with a shop vac. Our process uses professional-grade Rotobrush and Nikro equipment to put the entire system under controlled negative pressure, then mechanically agitate contamination loose so it evacuates through HEPA filtration rather than resettling in your home. A full residential system clean in Fremont typically costs $350-$650, depending on system size and accessibility.
Whole-System Approach
We clean supply ducts, return ducts, and the air handler cabinet as one interconnected system. Cleaning only the supplies while ignoring a contaminated return plenum just recontaminates everything within weeks. Our crew photographs the before condition, runs the full protocol, and shows you the after. You’ll see the difference.
Video Inspection Included
Every Fremont ductwork cleaning includes video inspection when accessible. Homeowners in Warm Springs and Mission San Jose particularly appreciate this, because the Altamont dust layers we find often look worse than expected. Seeing the condition firsthand helps explain why the cleaning was necessary, and seeing the clean duct afterward confirms the job was done thoroughly.
Trusted Brands We Service in Fremont
We clean and maintain systems running Honeywell, Aprilaire, and Abatement Technologies components, and we stock common replacement parts so Fremont customers aren’t waiting on shipping. Our Rotobrush and Nikro cleaning equipment is professional-grade, not rental-grade gear. That matters when you’re working with 45-year-old ductwork that can’t withstand aggressive or clumsy handling. The right tools let us clean thoroughly without damaging what’s already fragile.
Common Air Duct Cleaning Problems We See in Fremont Homes
- Original 1960s-70s flexible duct in Centerville and Irvington tract homes crimps and separates at joints, so supply and return ducts leak into the crawlspace instead of delivering air. Homeowners notice weak airflow in certain rooms and higher energy bills, but the real problem is duct failure, not just dirt.
- Mission San Jose and foothill homes pull in Altamont Pass fine agricultural dust that compacts into hard layers routine filter changes never touch. This dust has a distinct dry, tan character and builds up over years until it significantly restricts airflow and circulates particulates through the living space.
- Bayside Ardenwood and Niles homes that run their systems infrequently develop moisture intrusion and biological growth inside ducts, masking the problem until odor or allergy symptoms appear. The fog and cool temperatures that make those neighborhoods pleasant also create conditions where mold thrives in stagnant ductwork.
- Bay Area wildfire smoke seasons have left lasting residue in Fremont’s older duct systems, particularly in homes with original ductwork that absorbed fine particulates during the 2018 Camp Fire and 2020 fire events. Standard filters don’t capture the smallest particles, and they settle in duct interiors over time.
Pricing for Air Duct Cleaning in Fremont, CA
Most Fremont homeowners pay between $350 and $650 for a complete residential air duct cleaning. Here’s how that breaks down:
- Small home or condo (up to 1,200 sq ft): $350-$450
- Typical Fremont single-family home (1,200-2,500 sq ft): $450-$650
- Larger home or complex system (2,500+ sq ft): $650-$950
- Air duct repair (joint sealing, section replacement): $200-$1,500 depending on scope
- Video inspection: included with cleaning service
What moves a job toward the higher end? Multiple HVAC zones, ductwork in a difficult-to-access crawlspace, or significant contamination requiring extended agitation time. We give you one flat price per system before any work starts, based on what we see during your free estimate. No per-vent pricing. No add-ons once we’re there. Call (323) 918-4345 to schedule your estimate.
We Also Serve Cities Near Fremont
Our crews regularly work in Fremont and the surrounding communities, including Newark, Union City, Hayward, and Pleasanton. The same Cedarwell Care Promise, the same upfront pricing, the same photo-documented clean-up applies whether we’re cleaning ducts in your home or at your business across the East Bay.
Serving Fremont, CA - Our Local Coverage Area
We’re based in the Fremont 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 in Fremont
Mission San Jose sits directly in the Altamont Pass wind corridor, which funnels Central Valley agricultural dust, grassland pollen, and fine particulates into homes year-round. That dry, tan dust compacts into hard layers that routine filter changes can’t address. Ardenwood’s bayside location faces different problems, mainly moisture and mold from fog and infrequent system use, not heavy dust loading. Call (323) 918-4345 for an exact quote on your home’s specific conditions.
We find first-generation flexible or sheet-metal ductwork that’s now 50-60 years old, often crimped, separated at joints, or contaminated with decades of accumulated debris. Many of these systems were never designed for modern HVAC loads and leak significantly into crawlspaces. The cleaning often reveals structural problems that need sealing or section replacement to fix properly. We document everything with photos and give you a written repair price before proceeding.
Infrequent use is actually part of the problem. Ardenwood’s cool, fog-drenched microclimate means moisture sits in stagnant ductwork instead of being dried out by regular airflow. When the system does run, it distributes musty air and spores through the house. We find this pattern repeatedly in bayside Fremont neighborhoods where systems run only seasonally. A thorough cleaning with antimicrobial treatment, followed by advice on minimum runtime schedules, usually resolves it.
We assess every joint during cleaning and seal separated or leaking connections as needed, with your approval and a written price for the repair work. In Fremont’s older homes, sealing is often the real fix. Removing dust from ducts that leak into the crawlspace is temporary at best. We show you what we find, explain what’s optional versus what’s essential, and let you decide with full information.
The catastrophic wildfire seasons of 2018 and 2020 pushed unprecedented volumes of fine particulate matter through HVAC systems across the East Bay. In Fremont’s original 1960s-70s ductwork, much of that residue settled in duct interiors and stayed there, too fine for standard filters to capture and too embedded for simple filter changes to remove. Professional agitation cleaning with HEPA evacuation is the only reliable way to extract it. If your home still has original ductwork and you lived through those smoke events, there’s almost certainly residual contamination.
Written by Paul Adeyemi, Owner at Morton’s Air Duct Cleaning, serving Fremont since 2005.




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