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 Palo Alto
Air duct cleaning in Palo Alto typically runs $450-$850 for a complete residential system, with most jobs scheduled within a few business days and completed in a single visit. We’re Morton’s Air Duct Cleaning, and our crews serve Palo Alto from our San Francisco Bay Area dispatch office, bringing Rotobrush and Nikro equipment to homes from Midtown to Barron Park to Old Palo Alto. You can reach us at (323) 918-4345 - a live person answers, even at midnight.
Palo Alto’s mix of 1950s-1970s ranch homes, dense protected tree canopy, and position at the base of the Santa Cruz Mountains fire corridor creates duct contamination patterns you won’t find in flatter, newer neighboring cities. We’ve cleaned ducts after the 2020 CZU Lightning Complex fire sent fine ash through HVAC systems on continuous recirculate for days. We’ve also traced mysterious dust plumes to degraded duct-collar seals in Midtown homes where blown-in attic insulation from the 1970s is now migrating into supply runs. That local specificity matters when you’re deciding what actually needs doing, and what doesn’t.
Why Morton’s Air Duct Cleaning Is Palo Alto’s Preferred Air Duct Cleaning Company
We’ve been part of the Cedarwell family since 2005, and our Palo Alto customers tend to find us the way most people find service companies now - through neighbor recommendations in Facebook groups and Nextdoor threads after a job goes well or badly elsewhere. The “badly elsewhere” stories we hear are remarkably consistent: a low quote that ballooned once the van arrived, or a crew that ran a vacuum hose for twenty minutes and called it done.
Our response time to Palo Alto neighborhoods is typically two to four business days for standard scheduling, with dispatch coordinated from our Bay Area office. We don’t promise same-day because duct cleaning isn’t an emergency service - it’s a scheduled maintenance job that deserves preparation and the right technician assignment.
What builds trust here is specificity. Our technicians arrive in uniform, background-checked, with shoe covers and drop cloths already in hand. We provide a written price before any work starts, every time, with no exceptions. Every job carries our 365-Day Done Right Promise - if it’s not right, we make it right, stamped on the paperwork, not just offered if you complain. And we leave a photo of the clean-up before we go, so you see what was done.
Ductwork Cleaning in Palo Alto
Ductwork Cleaning in Palo Alto means source removal of accumulated debris, particulate, and microbial growth from the complete supply and return network, not just vacuuming visible vents. Most Palo Alto homes need this every four to six years, though homes with original 1950s-1970s ductwork, post-fire smoke loading, or degraded insulation migration issues may need attention sooner. A typical full residential Ductwork Cleaning in Palo Alto runs $550-$850 depending on system size and accessibility.
What Source Removal Actually Means
We don’t fog. We don’t spray. We establish negative pressure at the air handler using Abatement Technologies HEPA filtration equipment, then agitate debris loose with Rotobrush contact tools so it gets pulled out of the system entirely. In a 1962 ranch home in Midtown, our tech used a Rotobrush camera inspection and found original sheet-metal supply and return ducts lined with degrading duct-board insulation, plus a disconnected flex-duct transition joint that was dumping loose fiberglass into the supply runs. We tied into the system with Abatement Technologies HEPA filtration under negative pressure to establish source removal, then used agitation tools to free decades of debris before sealing the failed joint. The homeowner’s Awair sensor, which had been logging elevated PM2.5 since the last fire season, returned to baseline within a day.
When Your Ranch Home Needs Attention
The 1950s-1970s ranch homes dominating Palo Alto’s residential core - particularly in Barron Park and South Palo Alto - retain original sheet-metal ductwork through unconditioned attics. Cool, damp Bay-influenced winters create attic condensation that promotes mold and microbial growth inside older, unsealed systems. If you’re noticing musty airflow when the heat first kicks on, or if your family has been running recirculate nonstop during fire season, source removal is worth considering.
Air Duct Inspection in Palo Alto
Air Duct Inspection in Palo Alto gives homeowners a clear picture of what’s inside their duct system before deciding whether cleaning is warranted. We recommend this for any home with original ductwork, unexplained dust issues, or post-fire odor concerns. A video inspection in Palo Alto typically costs $150-$250 and includes recorded footage you can review yourself.
Camera Inspection Process
Our technician feeds a lighted camera through the supply and return registers, recording the condition of trunk lines, branch ducts, and transition joints. In Palo Alto’s older ranch homes, we’re specifically looking for degraded duct-board insulation, disconnected flex-duct joints, and evidence of insulation migration from 1970s blown-in retrofits. You’ll see exactly what we see - no interpretation required.
Post-Fire Assessment
After major smoke events like the CZU Lightning Complex, we perform targeted inspections for fine particulate loading in filter housings, blower compartments, and duct interiors. Palo Alto’s location at the eastern base of the Santa Cruz Mountains fire corridor means these loadings can be severe even when the fire itself felt distant. The inspection determines whether source removal is necessary or whether filter and coil cleaning will suffice.
Trusted Brands We Service in Palo Alto
We stock parts and maintain equipment from Honeywell, Aprilaire, and Abatement Technologies for Palo Alto customers, which means faster turnaround when your system needs component attention alongside duct cleaning. Our Rotobrush and Nikro cleaning equipment is professional-grade, not rental-grade - the difference matters when you’re working inside 50-year-old ductwork that can’t tolerate aggressive or clumsy handling. We also encounter a lot of original Aprilaire and Honeywell media filters in Palo Alto’s mid-century homes, and we carry replacements so you’re not left hunting after we leave.
Common Air Duct Cleaning Problems We See in Palo Alto Homes
- Post-fire ash accumulation in duct interiors. Because Palo Alto sits at the direct base of the Santa Cruz Mountains fire corridor, residents run HVAC systems on continuous recirculate for days during smoke events like the 2020 CZU Lightning Complex, loading ductwork with fine ash in a way that flat, fire-distant Sunnyvale and Santa Clara simply do not experience. This post-smoke loading, paired with an unusually dense canopy of city-protected mature trees that traps pollen near ground-level intakes during morning fog inversions, makes duct contamination here both more frequent and more varied than in neighboring cities.
- Insulation migration into supply runs. In Midtown and Barron Park ranch homes, many duct systems were left in place when attic insulation was blown in during 1970s energy retrofits; after 40-plus years, degraded duct-collar seals allow loose fiberglass or cellulose fibers to migrate directly into supply runs and circulate through living spaces.
- Attic condensation promoting microbial growth. Cool, damp Bay-influenced winters create enough attic condensation to promote mold and microbial growth inside older, unsealed duct systems, while the dry August-October fire season brings acute smoke-particulate loading from nearby mountain fires.
- Fogging upsells that miss the actual problem. A fogging “sanitiser” upsell is sold as a fix for the cool, damp Bay-influenced attic condensation that actually promotes mold growth inside unsealed duct systems - it leaves the microbial food source (dust, degraded duct-board, cellulose fibers) untouched and the moisture problem unresolved.
Pricing for Air Duct Cleaning in Palo Alto, CA
Most complete residential duct cleaning jobs in Palo Alto fall between $450 and $850. Here’s how that breaks down:
| Service | Typical Range in Palo Alto |
|---|---|
| Full residential system cleaning (supply + return) | $550 - $850 |
| Partial or single-zone cleaning | $350 - $550 |
| Video inspection with recording | $150 - $250 |
| Dryer vent cleaning (add-on or standalone) | $150 - $250 |
| Post-fire deep clean with HEPA source removal | $650 - $950 |
What moves you within these ranges: system size (square footage and number of registers), accessibility (crawl space vs. walk-up attic), and whether we find degraded insulation or disconnected joints that need sealing. We give one flat price per system, agreed in writing before work starts. No per-vent pricing. No surprise add-ons once we’re in your home. Call (323) 918-4345 for a free estimate - we’ll ask about your home’s age, neighborhood, and any specific concerns so we can quote accurately before arriving.
We Also Serve Cities Near Palo Alto
Our crews regularly work in Palo Alto and the surrounding communities: Stanford, Menlo Park, Atherton, and Los Altos. Scheduling is coordinated from our San Francisco Bay Area office, with routing optimized for prompt arrival across the mid-Peninsula. If you’re unsure whether your address falls in our service area, call (323) 918-4345 - a live person will confirm.
Serving Palo Alto, CA - Our Local Coverage Area
We’re based in the Palo Alto 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 Palo Alto
Palo Alto’s combination of Santa Cruz Mountains fire-corridor exposure and dense, city-protected tree canopy creates dual loading that flatter, less wooded cities don’t experience. Fire season sends fine ash through HVAC systems on continuous recirculate, while morning fog inversions trap pollen near ground-level intakes. Most Palo Alto homeowners with original ductwork benefit from inspection every three to four years rather than the typical five to seven. Call (323) 918-4345 to discuss your home’s specific exposure.
Yes, it matters significantly. In Midtown and Barron Park homes where ducts were left in place during 1970s blown-in insulation retrofits, degraded duct-collar seals go unaddressed, letting loose fiberglass and cellulose migrate straight into supply runs and circulate as visible dust. Our camera inspection specifically checks for this failure mode. If found, we seal the collars as part of source removal. Call (323) 918-4345 to schedule an inspection.
No. A fogging “sanitiser” leaves the microbial food source - dust, degraded duct-board, cellulose fibers - untouched and does nothing to resolve the moisture problem causing growth. True remediation requires source removal under negative pressure and HEPA filtration, plus addressing attic condensation or duct leakage. We don’t sell fogging upsells. Call (323) 918-4345 for an honest assessment of what your system actually needs.
Our technician feeds a lighted camera through all accessible registers, recording trunk lines, branch ducts, and transition joints. In Palo Alto’s 1950s-1970s ranch homes, we specifically document degraded duct-board insulation, disconnected flex-duct joints, and insulation migration from blown-in retrofits. You receive the recording to review yourself. The inspection takes 45-90 minutes and costs $150-$250. Call (323) 918-4345 to book.
Morning fog and temperature inversions common at Palo Alto’s foothill edge concentrate pollen from the city’s exceptionally dense mature tree canopy near ground-level HVAC intakes. This loading is heaviest in older neighborhoods with mature oaks and redwoods, and it accumulates in filters and duct interiors faster than in less wooded areas. More frequent filter changes and periodic duct inspection help manage it. Call (323) 918-4345 for guidance specific to your neighborhood.
Ready to see what’s actually in your ducts? Call Morton’s Air Duct Cleaning at (323) 918-4345 for a free estimate. We’ll give you a written price before any work starts, protect your floors with drop cloths and shoe covers from the moment we arrive, and leave a photo of the clean-up before we go. Every job is backed by our 365-Day Done Right Promise and the Cedarwell Care Promise. Our Air Duct Cleaning team serves Palo Alto families with kids and pets - we work quietly during nap hours, choose pet-safe products where available, and treat your home like we’d want ours treated.
Written by Paul Adeyemi, Owner at Morton’s Air Duct Cleaning, serving Palo Alto since 2005.