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.
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Before
AfterResidential Duct Cleaning in Pasadena, CA
Residential duct cleaning in Pasadena typically costs between $400 and $850 for a standard single-family home, takes 2 to 5 hours depending on the number of vents and the size of the system, and should be done by a crew running a professional negative-air machine, not a shop-vac and a prayer. We’re Hollis Air Duct Pasadena. We’ve cleaned residential ductwork across Pasadena’s older housing stock since 2004, and every job gets a written price before we touch anything and is covered by our 365-Day Done Right Promise. Call (626) 469-5477 if you want a real number from a live person, not an online form that promises a callback.
Our full-service overview lives on our Air Duct Cleaning page. This page covers what residential duct cleaning actually involves here in Pasadena, what it costs, how we do it, and what you should expect from any company you let into your crawlspace or attic.
Before you read further, know this: we’re part of the Garrison Partners family, owned and operated locally by Roy Castellanos. That means every Hollis location runs on The Garrison Standard. Arrive inside the window we quoted. Put the price in writing before work starts. Do the job by the book. Leave the site clean. No exceptions, no stories.
When You Need Residential Duct Cleaning
Ducts don’t send you a calendar invite when they need cleaning. Most Pasadena homeowners figure it out through symptoms they’ve been tolerating for months. Here are the specific situations where residential duct cleaning genuinely helps:
- Dust returns within two to three days of a thorough wipe-down. In Pasadena’s dry climate, fine particulate settles fast. If your registers puff visible dust when the blower kicks on, the ducts are holding buildup and redistributing it every cycle.
- Allergies or respiratory irritation that spike at home and ease when you leave. Duct systems in older Pasadena bungalows and mid-century ranchers can hold years of pollen, pet dander, and skin flakes that recirculate whenever the furnace or AC runs.
- Renovation just finished. Drywall dust, sawdust, and debris from a kitchen remodel in San Rafael or a bathroom gut in Madison Heights get pulled into the return and coat the entire system. Conduit won’t help you here.
- You inherited ductwork with a house you bought. Real estate changes hands, ducts don’t. If the previous owner never cleaned the system and you see a gray coating inside the register, it’s time.
- Evidence of pests. Rodent droppings, nesting material, or dead insects in the ducts are common in neighborhoods where crawlspaces run under older homes, like Bungalow Heaven. That’s a health issue, not a nuisance.
- Energy bills that keep climbing while the system struggles. Coated coils and clogged returns force the blower to work longer and harder. Clean ducts alone won’t fix a failing motor, but restricted airflow makes everything downstream less efficient.
If one or more of those hits home, call us at (626) 469-5477. We’ll tell you honestly whether cleaning is worth doing now or whether your money is better spent on something else first.
Our Residential Duct Cleaning Process
We run what the trade calls the negative-air method. A powerful vacuum unit connects to the main trunk line and pulls the entire system into negative pressure while tools agitate the interior walls. That’s the professional approach. It’s also the difference between capturing the debris and just stirring it up. Here’s the sequence on a typical Pasadena home, including a video inspection before we begin.
- Walk-through and system check. We inspect the furnace cabinet, returns, supply boots, and accessible runs. We look for disconnected sections, crushed returns, or signs that the real problem is filter bypass rather than duct buildup. The price is written down before this walk-through ends, and it doesn’t move.
- Register sealing and negative-air setup. We install a Nikro or similar professional negative-air unit at the plenum and seal off registers one at a time as we work through the system. This keeps debris from drifting into your living space while we agitate the runs.
- Rotary brush agitation and air washing. We feed a rotary brush system, often a Rotobrush unit, down each supply line and return, breaking up debris that’s adhered to the metal. Compressed air tools finish the job in tight boots that a brush can’t reach.
- Coil and blower inspection. If buildup has migrated past the filter to the evaporator coil or blower wheel, we’ll show you what we found and quote cleaning those components separately before touching them. No surprise add-ons at the door.
- System re-assembly and filter check. We reinstall registers, verify airflow at each supply, and check the filter slot. If your filter is undersized or bypassing, we’ll tell you what to buy. Hollis technicians carry and install filtration from Aprilaire and Honeywell when requested, but we never push replacement filters as a “required” upsell.
- Verification walk-through. You walk the system with us. We show you before-and-after views where accessible, go over any findings, and make sure the site is left clean. The Garage Standard calls for exactly this.
One note on safety: duct cleaning itself is not dangerous work for the homeowner. But accessing sections of ductwork in a crawlspace, attic, or near gas-fired equipment involves real risks. We use background-checked, uniformed technicians trained for confined-space and mechanical-room work. This is not a job to improvise with a rented machine and a YouTube tutorial.
Residential Duct Cleaning Pricing in Pasadena
Let’s talk real numbers. In the Pasadena area, a single-system residential duct cleaning typically runs between $400 and $850, depending on home size, number of vents, system accessibility, and the level of contamination. Homes under 1,500 square feet with one furnace and 8 to 12 registers usually land in the $400 to $550 range. Larger homes with multiple systems or up to 20 registers run $650 to $850 and beyond. We write that number down before work begins, and it does not change when the technician walks through the door.
Here’s the breakdown of what commonly affects cost:
- Number of systems and registers: A two-story Craftsman in Orange Heights with a single system and 14 registers falls mid-range. A newer two-system home in southeast Pasadena climbs toward the top of the range.
- Accessibility: Crawlspace-first construction, like much of Pasadena’s pre-1960 stock, adds time. Attic-mounted units in two-story homes add time too. Time is the main cost driver, and we quote it honestly.
- Contamination level: Light dust averages fast. Heavy buildup from a year-long renovation or years of neglect takes longer to break loose. We’ll give you a range before starting, not after.
- Add-on services: Evaporator coil cleaning, blower wheel cleaning, duct sealing with mastic, or a full filter upgrade from Aprilaire or Honeywell are quoted separately. Nothing gets added without a written line item.
Free estimates, always. Call (626) 469-5477 and a live person answers. We’ll ask about your home, your system, and any symptoms you’re seeing, then give you a ballpark before we ever schedule a walk-through. No email chains, no forms that vanish.
Why Write Down a Price Before You Start?
We put the price on paper before the equipment comes off the truck because the residential duct cleaning trade has a reputation problem. Too many crews advertise a $99 “whole house” special, get inside the door, and discover that the job “requires” additional charges that triple the final bill. The Garrison Standard exists to end that game. We write the price down, you approve it, and that’s the number. If we find hidden contamination behind the access panel, we show you, quote the additional line item, and get your written approval before touching it. No pressure, no clock, no angle.
What Your Neighbors Are Asking Before They Book
How do I know if my ducts actually need cleaning, or if I’m wasting money?
Pull a register and look inside with a flashlight. If you see dust, debris, or a gray fuzzy coating on the interior surfaces that isn’t smooth metal, you’re looking at years of accumulation that recirculates every time the system runs. In Pasadena homes with pets, older HVAC systems, or recent renovations, this buildup is common. If you’re not sure, call us. We’ll tell you plainly whether cleaning will actually help or whether your problem is something else entirely, like an oversized filter or a disconnected return duct.
What does the 365-Day Done Right Promise actually cover?
Every residential duct cleaning we do carries a written guarantee: if you find a problem with our work within 365 days, we come back and make it right at no charge. That includes a free second visit if the issue is something we should have caught. It’s not a vague “satisfaction” pledge. It’s a written commitment with a clear timeline and a specific remedy. If you sell the house within that year, the promise stays with the work we performed, not the original homeowner.
Do you clean ducts in older Pasadena homes with asbestos wrap?
This is a serious question and we treat it that way. Many pre-1970 Pasadena homes have ductwork with asbestos-containing insulation on exterior wraps or boots. If we see or suspect asbestos wrap during our walk-through, we stop and refer you to a licensed asbestos abatement contractor before any cleaning begins. Disturbing that material would be irresponsible and, frankly, dangerous. We will not clean ducts in a system with breached asbestos wrap. If the wrap is intact and in good condition, we can often proceed while avoiding contact with the insulated areas, but we’ll make that call case by case with your safety as the controlling factor.
Will cleaning my ducts lower my energy bill?
Sometimes, but not always dramatically. Cleaning removes the airflow restriction caused by years of buildup, which lets your blower move rated CFM without working as hard. In homes with heavily coated evaporator coils or blower wheels, the efficiency gain can be meaningful, and coil cleaning is usually the larger contributor. But if your house has good filters, a tight duct system, and light buildup, the energy savings from duct cleaning alone will be modest. We’ll tell you what we expect before we start, not after.
How long does residential duct cleaning take?
Most Pasadena homes take 2 to 5 hours. A single-system bungalow with 10 registers usually runs about 2 to 3 hours. A larger two-system home with accessible runs may run 4 to 5. We arrive inside the window we quoted, work without stopping, and leave the site clean when we’re done. You don’t need to leave the house, though many homeowners prefer to run errands while we work.
FAQs – Residential Duct Cleaning
How often should residential ducts be cleaned in Pasadena?
Most Pasadena homes benefit from residential duct cleaning every 3 to 5 years, though homes with multiple pets, ongoing renovation activity, or occupants with severe allergies often clean every 2 to 3 years. Our rule is simple: clean when the system needs it, not on an arbitrary calendar. Call (626) 469-5477 and we’ll help you figure out where your system falls.
How much does residential duct cleaning cost in Pasadena?
Residential duct cleaning in Pasadena typically costs $400 to $850 for a standard single-family home, with most jobs landing between $450 and $650. The price depends on system count, register count, accessibility, and contamination level, not on a percentage markup that appears after the tech is inside. Estimates are free and the written quote doesn’t move.
Do I need to be home during the cleaning?
Yes, we need someone over 18 present at the start to walk the system with us and at the end to sign off on the work. Between those checkpoints, you’re free to go about your day. Our technicians are background-checked and uniformed, and they’re working under The Garrison Code, which means they treat your home like a job site they’ll be judged against for a full year.
What’s the difference between residential duct cleaning and commercial duct cleaning?
Residential duct cleaning focuses on single-family or low-rise residential systems under 5 tons, with accessible supply duct and return runs and standard register boots. Commercial duct cleaning handles larger systems, high-component runs, roof-mounted units, and stricter air-quality compliance standards. We specialize in residential work in Pasadena because that’s where our equipment and process fit best, and because we think homeowners deserve the same standard of written pricing and documented work that commercial clients already expect.
How We Source Our Equipment and Why It Matters
The tools you use determine the job you can do. We run rotary brush systems from Rotobrush for agitation, negative-air machines from Nikro or Abatement Technologies for containment, and filtration upgrades from Aprilaire, Honeywell, or Guardsman when requested. That’s not marketing. That’s the equipment list for a commercial-grade duct cleaning operation applied to residential systems. The difference is visible on the register covers before and after.
We don’t run “sweep and suck” operations with a hardware-store vacuum. We capture debris at the source, contain it under negative pressure, and verify the system after reassembly. That’s the same discipline Garrison Partners has run since 2004, and it’s why our customers call back when their new house needs the same treatment.
Pasadena Ducts Have Specific Problems
Pasadena’s housing stock creates specific duct-cleaning needs. The pre-war bungalows in Bungalow Heaven and Garfield Heights often have original metal ductwork retrofitted through narrow crawlspaces, with registers that have accumulated 40 years of California dust. Mid-century homes in San Rafael and Hastings Ranch run long flexible runs through hot attics, where duct tape separates and open gaps pull in insulation and attic dust. Newer homes in southeast Pasadena and Linda Vista tend to have tighter systems, but construction dust from original build-out often lingers if the system wasn’t cleaned before move-in.
We’ve worked all of them, and we’ve learned to work around the tight confines without cutting access holes that don’t get closed properly. We know where disconnected returns hide in Pasadena’s older stock, and we know how to clean a system that was never cleaned at commissioning. That local knowledge factors into every quote we write.
Serving Pasadena and Every Neighborhood In It
We work across the entire city: Bungalow Heaven, Madison Heights, San Rafael, Orange Heights, Catalina Villas, Linda Vista, Hastings Ranch, and the neighborhoods around Caltech and Old Pasadena. We answer the phone live, 24/7. When you call (626) 469-5477, you’ll talk to a person who can answer questions about pricing, scheduling, and what to expect on the day of the job. No voicemail loops. No “we’ll call you back within one business day.”
If you’re outside city limits in areas like Altadena, South Pasadena, San Marino, or Sierra Madre, call us anyway. We’ll tell you honestly if we serve your area or if you’re better off with another Garrison Partners location or a trusted independent.
Key Takeaways
- Residential duct cleaning in Pasadena typically runs $400 to $850, with most single-system homes landing between $450 and $650.
- We run a negative-air process with Rotobrush rotary agitation and Nikro or Abatement units, not a vacuum hose.
- Every job gets a written price before work begins. It does not move when the technician arrives.
- Our 365-Day Done Right Promise covers the work in writing for a full year, including a free second visit if something we should have caught comes up.
- We know Pasadena housing: crawlspace-access bungalows, attic-run flex duct, older registers, and renovation dust patterns.
- Call (626) 469-5477 for a live person and a straight answer. Estimates are free, always.
Call Hollis Air Duct Pasadena for a Straight Answer
If your ducts haven’t been cleaned in five years or longer, or if you’re seeing dust that settles back the day after you wipe it down, we’re ready to help. Call (626) 469-5477 and a live person will answer. We’ll talk through your house, your system, and your symptoms, and tell you whether cleaning is worth the money right now. No pressure. No countdown timers. Just a straight answer from a company that’s been doing this work in Pasadena since 2004.
Written by Roy Castellanos, Owner at Hollis Air Duct Pasadena, serving Pasadena.