Dryer vent cleaning
Whole-home duct 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.
Aprilaire Dryer Vent Cleaning in Pasadena: What to Know First
Aprilaire dryer vent cleaning in Pasadena typically runs $149 to $289 for a standard residential system, and we complete most jobs in under two hours. We’re an independent Aprilaire service provider, not a manufacturer-authorized shop, which means we make calls based on what the vent actually needs, not what a warranty handbook says. If you own an Aprilaire dryer vented to the outside of a Pasadena home, this page covers what fails, what it costs, and how we fix it. Call (626) 469-5477 for a written quote before any work starts.

How Aprilaire Products Fail – and How We Fix Them
Aprilaire builds solid ventilation equipment, but every product line has weak points that show up in Pasadena’s dry heat and older housing stock. Here’s what we see on service calls:
- Aprilaire Model 8126 ventilation kits with clogged exterior hoods. The external louvers on the 8126’s discharge hood collect lint at the hinge points. Once that lint cakes up, the louvers stick open. Pasadena’s windy afternoons push dust and debris straight back into the vent run. We remove the hood, clean the hinge tracks, and replace the hood assembly if the louvers won’t seat flat anymore.
- Aprilaire Dryer Vent Lint Trap (the inline secondary filter) packed solid. These traps are designed to catch what the dryer’s primary lint screen misses. The problem: homeowners think the inline trap is self-cleaning. It is not. We’ve pulled lint bricks out of Aprilaire traps in Pasadena homes near the Rose Bowl that hadn’t been opened in five years. The fix is a full trap disassembly, screen wash, and reinstallation with new gaskets.
- Rigid metal duct runs that Aprilaire recommends but local builders half-installed. Aprilaire specs 4-inch rigid metal ducts for optimal airflow. Many Pasadena homes built before 1980 have flex foil or semi-rigid sections spliced in by previous owners. Those joints collect lint at every rib. We replace non-compliant sections with smooth metal and seal joints with aluminum tape, never screws, which catch lint.
- Aprilaire vent cap dampers seizing in Pasadena’s dry climate. The damper flap on Aprilaire caps relies on gravity or a light spring. In Pasadena, weeks of zero humidity plus dust turns the pivot into sandpaper. The flap either sticks open or won’t open fully. We replace with an Aprilaire-compatible cap or a bird-guarded vent cap depending on what your exterior wall allows.
- Condensation pooling in Aprilaire vent runs during Pasadena’s cooler winter nights. Our dry days and cold nights create condensation inside long horizontal vent runs. Lint absorbs that moisture, hardens, and shrinks the effective diameter. We inspect with a camera, identify low spots, and correct the vent pitch or add support brackets so water can’t pool and lint can’t bond to the duct wall.
Styles & brands we work with




Our Aprilaire Dryer Vent Cleaning Process
Every Aprilaire job follows the same sequence, start to finish:
- 1
Call and window. You talk to a live person, not a machine. We set a two-hour arrival window and show up inside it.
- 2
Camera inspection. We run a camera through the full vent run from the dryer connection to the exterior cap. You see what we see, and we tell you straight if the duct work doesn’t lie. That’s the standard, and it’s where Roy Castellanos got his saying: “The duct work doesn’t lie – and neither do I.”
- 3
Written price. The price is written down before any work starts. If the camera reveals a collapsed section or a bird nest, the quote reflects exactly what needs doing. It does not move at the door.
- 4
Cleaning. We use a Rotobrush rotary brush system with a negative-air machine from Nikro pulling from the other end. Lint never blows back into your laundry room, even on longer Pasadena runs that top 20 feet.
- 5
Parts decision. If your vent cap, hood, or inline trap needs replacement, we walk you through Aprilaire-compatible options versus quality aftermarket parts. Aftermarket is often identical in function and priced lower. We show you both and let you decide.
- 6
Test and clean up. We run the dryer on air-fluff for five minutes to confirm airflow, then leave the work area cleaner than we found it. You get a year of coverage in writing under the 365-Day Done Right Promise.
See the difference
Before
After
Before
After
Before
AfterWhat Aprilaire Dryer Vent Cleaning Costs in Pasadena
Here’s what you can expect, written plainly:
- Standard Aprilaire vent cleaning, single-story home, accessible exterior cap: $149 to $229
- Two-story Pasadena home with a roof or second-floor wall termination: $199 to $289
- Inline Aprilaire lint trap disassembly and screen cleaning (added to vent cleaning): $45 to $85
- Vent cap replacement, Aprilaire-compatible or bird-guarded: $60 to $140 including the part
- Vent reroute or partial duct replacement: $180 to $400 depending on length and access
What moves the price is access, vent length, and whether Pasadena’s older construction means your cap sits on a second-story overhang. We do not charge by the vent section. One flat price per system, agreed in writing, before the Rotobrush goes in. Call (626) 469-5477 for an exact quote. Estimates are free.
Why Pasadena Homeowners Call Hollis Air Duct Pasadena for Aprilaire Work
We’ve been at this since 2004, longer than most Pasadena vent cleaning outfits have existed. That matters because older homes near the Arroyo or up in Hastings Ranch rarely have textbook vent runs. They have add-ons, retrofits, and duct work someone improvised in 1987. Our technicians are background-checked and uniformed, and they know Aprilaire equipment well enough to tell you when a problem is the vent and when it’s your dryer itself. If you’ve got a Lennox, Trane, or Carrier system elsewhere in the house, we service those too, so one call covers the full picture. The 365-Day Done Right Promise backs every job in writing: if it fails within a year, we return and make it right at no charge, including a free second visit. No fine print, no argument.
FAQs
No. Cleaning the vent is standard maintenance, and Aprilaire’s warranty documents do not penalize you for hiring an independent company to do it. We use rotary brush systems sized to the vent diameter and never use chemicals or abrasive rods that could scar the interior of your duct run. You keep your warranty intact, and you get a written record of the work if you ever need it.
Every 12 to 18 months for a household that runs 4 or more loads per week. Pasadena’s dry air makes lint lighter and more likely to travel deeper into the vent run instead of staying near the dryer, which means buildup can hide mid-run. If you have an inline Aprilaire lint trap, check that screen monthly and clean the whole vent annually regardless of trap condition.
That’s almost always restricted airflow, not a failing heating element. When the vent can’t move hot, moist air out fast enough, the dryer’s sensors extend the cycle to compensate. We’ve found everything from packed Aprilaire lint traps to collapsed flex sections behind walls. A camera inspection tells you which one it is before any work begins. Call (626) 469-5477 and we’ll schedule the check.
We offer both and tell you the difference in plain terms. Genuine Aprilaire caps match your existing model exactly but often cost more and take days to arrive. Quality aftermarket caps from brands like Guardsman perform the same function, fit standard 4-inch terminations, and are in our truck that day. We install whatever you choose and back it with the same year-long guarantee.
Most Pasadena appointments happen within 24 to 48 hours of your call. We answer phones live around the clock, so if you call at 9 PM on a Tuesday, a person picks up and schedules you. We don’t do voicemail loops or call-back queues. Tell us what you’re seeing, and we’ll set a two-hour window that actually holds.
Written by Roy Castellanos, Owner, Hollis Air Duct Pasadena at Hollis Air Duct Pasadena, serving Pasadena and nearby areas.