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.
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AfterFast, Reliable Air Duct Cleaning Across Sunnyvale
If you own a ranch-style home in Sunnyvale built between 1955 and 1975, your ductwork has likely been moving air through the same sheet-metal channels for half a century or more. Air duct cleaning in Sunnyvale isn’t just about dust. It’s about decades of accumulated particulate, remodel debris from the constant housing turnover here, and moisture from the marine layer that settles into attic runs every morning. Our crews know these homes because we work in them every week, from Cherry Chase to Lakewood to Borregas. Call (980) 447-2498 for a free estimate and a written price before any work begins.
Why Linden Air Duct Cleaning Is Sunnyvale’s Preferred Air Duct Cleaning Company
Since 2004, Linden Air Duct Cleaning has operated as an independently owned location within the Threshold Group family, and we’ve built our name on doing what we say we’ll do. Every technician who knocks on a Sunnyvale door is background-checked, identity-verified, and photo-badged under the Threshold Standard. Before the visit, you receive the tech’s name and photo. At the door, they show a photo ID badge. No exceptions. That matters when you’re letting someone into a home where you may be alone or where your kids are napping.
Our customers in Sunnyvale tend to ask the same three things: who is coming, what will it cost, and what happens if something goes wrong. We answer all three before we ever send a truck. The price is in writing before any work starts. Every repair carries a written guarantee, and if a covered repair fails within 365 days, we come back at no charge. That’s the 365-Day Done Right Promise, and it’s in writing on every job. When you call (980) 447-2498, a live person answers. Not a voicemail tree, not a callback queue. A person.
Ductwork Cleaning in Sunnyvale
Ductwork cleaning in Sunnyvale is a different job than it is in newer cities like Santa Clara or Milpitas, because the housing stock here is fundamentally older. Most of Sunnyvale’s single-story and split-level ranch homes were built from the late 1950s through the mid-1970s, originally to house Lockheed Missiles & Space workers. Those homes were framed with loose standards compared to today’s builds, and many still run original sheet-metal trunks or early flex connections that have never been professionally cleaned. A typical full-system residential ductwork cleaning in Sunnyvale runs $380 to $680 depending on home size and the number of runs. This includes source removal using negative-pressure extraction with HEPA filtration, agitation through every accessible branch, and a final camera check of the trunk lines.
Full System Cleaning
A full system cleaning covers the supply ducts, return ducts, main trunk, plenum, and all branch runs. In a 1960s Sunnyvale ranch, this almost always includes removing the register grilles, running Rotobrush agitation tools through each branch, and setting the system under continuous negative pressure so that what we loosen is pulled out of the house rather than pushed into the living room. We then inspect the trunk with a camera before we put anything back together.
Supply and Return Duct Cleaning
Sunnyvale attics are unconditioned spaces. The supply and return runs in these older homes sit in heat, fog moisture, and whatever debris rodents or re-roofing crews have left behind. We clean supply and return ducts separately because they fail differently. Supply ducts push conditioned air into your rooms. Return ducts pull room air back toward the air handler, and in older Sunnyvale homes, they’re notorious for pulling from cracked or disconnected sections in the attic.
Air Duct Inspection in Sunnyvale
Air duct inspection in Sunnyvale is often the most important hour we spend in a home. Before we quote a cleaning, we run a small camera up the main trunk and through accessible branches to see what we’re actually dealing with. An inspection in a Sunnyvale ranch typically costs between $90 and $150 when booked as a standalone visit. But it tells you things a surface look never will. In a 1962 Cherry Chase ranch, our tech pulled a crusted return grille, ran a camera up the main trunk, and found two crushed flex runs pinched where a previous HVAC swap had jammed them against the attic joists. Those crushed lines were blowing attic dust straight into the supply and return ducts, and no amount of vacuuming would have fixed it. We set up negative pressure with HEPA filtration, worked Rotobrush agitation tools through every branch, then reconnected and sealed the crushed runs at the plenum so the air handler was no longer pulling from unconditioned attic space. The homeowner’s complaint, a musty smell every time the blower motor kicked on during the morning marine layer, was gone on the first cycle.
Video Inspection Before and After
We film the duct interior before cleaning begins and again after we finish. You see the before-and-after of your own system, not a stock photo from a brochure. This is standard on every Sunnyvale job, and it’s part of the written record we leave with you.
Post-Renovation Duct Inspection
Sunnyvale’s real estate market keeps turning over 1960s ranch homes to tech buyers who gut-renovate before moving in. Demo crews open ceilings, and 60 years of settled dust and debris gets redistributed directly into the duct system. Smart local contractors now build post-renovation duct inspection and cleaning into every pre-sale renovation bid in this zip code. If you’ve just finished a remodel, ask for a camera inspection before you move furniture in. It almost always finds drywall dust and debris in the trunk lines.
Trusted Brands We Service in Sunnyvale
We service all major HVAC and duct brands found in Sunnyvale homes, and we run professional-grade equipment from Rotobrush and Nikro. For homes dealing with wildfire smoke residue or persistent mustiness, we work with air-quality products from Abatement Technologies and Honeywell. That means we stock the filters, sealants, and replacement components that fit the older systems common in Lakewood and Borregas. No waiting on a part that’s “on order” while your registers keep blowing attic dust into the nursery.
Common Air Duct Cleaning Problems We See in Sunnyvale Homes
- Original duct board and early flex from the 1960s. These materials degrade into porous, moisture-trapping surfaces over decades. Surface vacuuming alone leaves settled debris and mildew in the duct wall. Source removal and sealing are the real fix.
- Crushed or disconnected runs after an HVAC swap or re-roof. We find this constantly in older Sunnyvale attics. A previous contractor jammed flex runs against joists, or disconnected a return line entirely, and the system has been pulling attic dust and insulation fibers ever since.
- Post-remodel drywall dust in flip-market homes. Sunnyvale’s constant gut-renovation cycle fills unsealed original trunk lines with fine particulate. A “quick clean” without negative pressure just redistributes that dust through the registers.
- Morning marine layer moisture in unconditioned attics. Sunnyvale’s seasonal coastal fog introduces moisture into attic duct systems. In older, poorly sealed ductwork, that moisture promotes mold and mildew growth that you smell every time the blower kicks on.
Pricing for Air Duct Cleaning in Sunnyvale, CA
Here’s what you can expect to budget. A typical full-system residential air duct cleaning in Sunnyvale runs $380 to $680 for a single-story ranch between 1,200 and 2,200 square feet. Larger homes or systems with multiple attics run higher. If you add a video inspection as a standalone service, it’s $90 to $150. If we find crushed runs or disconnected sections during cleaning, reconnection and sealing at the plenum typically adds $120 to $250. The price is written down before we start, and it doesn’t change unless you approve additional work in writing. Call (980) 447-2498 for a free estimate based on your actual home. We’ll tell you the number before the truck ever rolls.
We Also Serve Cities Near Sunnyvale
Our Air Duct Cleaning crews serve Sunnyvale and the surrounding communities, including Mountain View, Santa Clara, Cupertino, and Los Altos. If you’re in one of those cities, the same Threshold Standard applies: background-checked techs, written pricing before work starts, and the 365-Day Done Right Promise. For more about our service area, see Air Duct Cleaning in Sunnyvale.
Serving Sunnyvale, CA - Our Local Coverage Area
We’re based in the Sunnyvale 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 Sunnyvale
Look for register grilles that are flush-mounted in the ceiling or high on the wall, and check for a thick layer of paint built up around the edges. If the grilles look like they’ve been there since Johnson was president, they probably have. The only way to know for sure is a camera inspection. In homes built before 1975, the original sheet-metal or early flex is usually still in place, often with disconnected or degraded sections in the attic. Call (980) 447-2498 to schedule an inspection, and we’ll show you the footage.
Yes, and this is the single most common mistake we see in Sunnyvale flips. Demo crews open ceilings and walls, and the resulting drywall dust, plaster particulate, and decades of settled debris gets pulled into unsealed original trunk lines. Once the air handler runs, that dust blows through every register. A post-demo cleaning with negative-pressure extraction is a standard line item in pre-sale renovation bids here. Skipping it means the first thing a new owner smells is the demo.
That’s the marine layer. Sunnyvale’s morning fog introduces moisture into attic duct systems, and in older, poorly sealed ductwork, that moisture supports mold and mildew growth on the duct walls. When the blower starts, the smell gets pushed into your living space. The fix is source removal cleaning of the duct surfaces, not just vacuuming, followed by sealing any gaps where unconditioned attic air is being pulled into the return side. A camera inspection confirms what’s going on before we quote a price.
Running your HVAC during wildfire smoke events pushes fine particulate through the system, and in older Sunnyvale ducts, that particulate sticks to existing debris and moisture. If your system already has decades of accumulated material, smoke days add a sticky, odor-heavy layer on top. The best move is to clean the ducts after the smoke season passes, and use a high-quality filtration product from Abatement Technologies or Honeywell in the meantime. Call (980) 447-2498 and we’ll walk you through the options.
A proper cleaning in a 1960s Sunnyvale ranch involves setting the system under negative pressure with HEPA filtration, running Rotobrush agitation tools through every branch and the main trunk, cleaning supply and return runs separately, and then inspecting with a camera. Surface vacuuming that only cleans the first few feet of each register is not a proper cleaning, and it leaves the material that actually causes problems. Our process removes source material from the full run and seals what’s leaking. You get before-and-after footage of your own ducts, and a written report. Call (980) 447-2498 for an exact quote, estimates are free.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving Sunnyvale homeowners since 2004.