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.
Air Duct Cleaning Company in Belmont, CA
Air duct cleaning in Belmont most often means dealing with 1950s and 1960s ranch and split-level homes whose original duct systems run through damp hillside crawl spaces, and prices here typically land between $450 and $1,100 depending on system size and what we find once the registers come off. Belmont’s sloped lots and persistent morning fog create conditions that flat Peninsula cities simply don’t have, which is why our technicians approach every Belmont job with the expectation that they’ll be working around ground moisture, aged duct board, and joints that have shifted over decades. If you’ve noticed dust returning a week after cleaning or a musty smell when the heat kicks on, call (469) 972-3151 and we’ll give you a written price before any work begins.
Why Belmont Homes Are Different
Belmont’s residential core climbs from El Camino Real up toward the Santa Cruz Mountains foothills, and the homes built into that grade between the late 1940s and the 1960s share a structural reality: ductwork routed through low crawl spaces cut into sloping lots. Those crawl spaces stay damp far longer than the ones under flat-grid homes in San Mateo or Redwood City, because Belmont’s micro-valley funnels cool marine air off the Pacific and the hills trap morning fog until well past when it burns off at sea level. We regularly pull fiberglass duct board out of Belmont crawl spaces that has been absorbing that humidity for fifty or sixty years, and the liner is soft, stained, and shedding fibers into the airstream.
The homes above Ralston Avenue are where we see the most distinctive failures. Flex duct in those hillside crawl spaces partially collapses or separates at joints because uphill drainage keeps relative humidity near saturation for much of the year. That’s a Belmont-specific failure mode, and it’s part of why a cleaning here is rarely just a cleaning – it’s also an inspection of whether the original duct runs are still intact enough to be worth cleaning at all. Our technicians flag that distinction honestly before any work starts.
Our Main Belmont Services
Belmont homeowners call Kestrel for two jobs: cleaning the ducts that move heated and cooled air through the house, and clearing the dryer vent that exhausts lint to the outside. Both are handled by background-checked, uniformed technicians using professional-grade equipment.
Air Duct Cleaning in Belmont
In Belmont, Air Duct Cleaning in Belmont means working around crumbling duct board, decades of construction debris, and sometimes mold colonization inside liners that have never dried out. We use Rotobrush rotary brush systems to physically dislodge what’s stuck to the duct walls, then Nikro negative-pressure units pull the loosened material out of the home rather than letting it drift into living spaces. The written price covers the whole system, agreed before we start.

Dryer Vent Cleaning in Belmont
Belmont’s hillside lots often produce longer dryer vent runs than you’d find in a flat subdivision, with more elbows and sometimes a termination point high off the ground on a slope. That extra length and the bends mean lint accumulates faster and the clog risk is higher. Our Dryer Vent Cleaning in Belmont service clears the full run from lint trap to exterior cap, and we’ll tell you in plain words if the existing vent routing is making your dryer work harder than it should.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Belmont
We service residential HVAC duct systems in Belmont regardless of brand, and we work with filtration products from Honeywell and Aprilaire for homeowners who want cleaner air between cleanings. Parts for common Belmont-era systems are ordered from regional suppliers with standard turnaround. See our brands page for the full list of what we work on.
Pricing for Air Duct Cleaning Company in Belmont, CA
Belmont prices reflect what’s actually inside the ducts, not a canned quote. Here’s what our team sees as the standard range across Belmont before any work begins:
| Service | Typical range in Belmont |
|---|---|
| Whole-home air duct cleaning (ranch, up to 10 vents) | $450 - $700 |
| Whole-home air duct cleaning (split-level, 11-16 vents) | $600 - $900 |
| Whole-home air duct cleaning (large/custom, 17+ vents) | $850 - $1,100 |
| Dryer vent cleaning (single-story, short run) | $95 - $130 |
| Dryer vent cleaning (hillside, longer or multi-elbow run) | $130 - $190 |
| Crawl space duct inspection (add-on during cleaning) | $50 - $100 |
| HEPA filtration add-on | $120 - $250 |
Hillside crawl-space access is the main thing that pushes a Belmont job toward the top of those ranges. The other factor is what we find: collapsed flex duct or saturated duct board discovered during cleaning changes the scope, and we stop to re-quote in writing before touching anything further. No matter what the final number is, you’ll have it agreed in your hands before a single vent comes off.
Neighborhoods We Serve in Belmont
We serve the whole city, and our schedule is structured so a technician can reach any Belmont neighborhood the same day a job is booked when we have availability. We don’t promise dispatch windows we can’t keep.
- Hillside neighborhoods above Ralston Avenue
- Areas along Alameda de las Pulgas
- Homeview and surrounding streets
- Central Belmont near El Camino Real
- Belmont Heights and the uphill grid
Service Area – Cities Near Belmont
Kestrel serves Belmont and the surrounding Peninsula cities from dispatch coordinated through the San Francisco Bay Area office. If you’re in a neighboring city, you’ll get the same written-price commitment and 365-Day Done Right Promise. We also serve San Carlos, CA, San Mateo, CA, Redwood City, CA, and Burlingame, CA.
Serving Belmont, CA - Our Local Coverage Area
We’re based in the Belmont 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 Belmont
We respond to Belmont calls the same day, and scheduling depends on what our technicians already have on the board. Most Belmont jobs can be booked within a few days of the call. Call (469) 972-3151 and we’ll give you the next realistic window, not a vague “sometime between now and whenever.”
No permit is required for air duct or dryer vent cleaning in Belmont. It’s a service job, not a structural change. If during the course of cleaning we find a condition that does require a permit, we’ll tell you directly and let you decide how to proceed before any further work is done.
That’s not how our pricing works, and for good reason. Cleaning only a portion of a Belmont system leaves the rest of the ducts full of loosened material that will simply redistribute through the house when the blower runs. We quote one flat price per system, agreed before work starts, and we don’t break it into per-vent upsells. Call (469) 972-3151 for an exact quote on your whole system.
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 Belmont Customers Say
"My wife's allergies were awful every morning. Had the ducts done and it's made a real difference. Tech was on time and wore booties in the house without me asking."
- Rob Pendergast"Bought an older home and the previous owners had pets everywhere. After Kestrel did the ducts the stale smell was just gone. On time, quick, and they showed me the filter they pulled."
- Preston Ngata"Our dryer was taking two cycles to dry a load. They cleaned the vent and pulled out a frightening amount of lint. Dries in one cycle now and honestly I feel better about the fire risk."
- Marcus Lee




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