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.
Fast, Reliable Dryer Vent Cleaning Across Monrovia
Dryer vent cleaning in Monrovia typically costs $140 – $260 for a standard single-family home, and the job takes about an hour to ninety minutes once we’re on site. You’ll get a written price before any work starts, so the number you agree to is the number you pay. We’ve been cleaning vents in Monrovia’s older homes long enough to know exactly what we’re walking into before we ring the bell. Call (626) 469-5477 for a free estimate and a straight answer about what your vent actually needs.
Monrovia homeowners deal with a specific set of conditions. The Santa Ana winds push fine dust and pollen down from the San Gabriel Mountains, and that grit finds its way into dryer exhaust pathways faster than most people expect. Add in the age of the housing stock here, and you get lint accumulation that would surprise someone in a newer development. That’s why we schedule our Monrovia work with a clear head about what these homes require: real cleaning, documented results, and no games with the price.
Why Hollis Air Duct Pasadena Is Monrovia’s Preferred Dryer Vent Cleaning Company
Homeowners in Monrovia call us because we write the price down before we touch the dryer. Not an estimate range. Not a starting point. A flat price per system, agreed to in advance, and it does not move when the technician arrives. We hear the same story from customers near Old Town and up toward the foothills: someone quoted a low per-vent price, then suddenly “found” problems once the van was parked in the driveway. We don’t work that way.
Roy Castellanos runs our crews, and the standard he set is simple: arrive inside the quoted window, price in writing, clean by the book, leave the site cleaner than you found it. Every technician is background-checked and uniformed. You know who’s walking through your door before they get there. The 365-Day Done Right Promise backs the work in writing. If something fails within a year, we return and make it right at no charge, including a free second visit. That’s not a sales line. That’s the Garrison Standard, and it applies to every job in Monrovia.
We also stock common replacement parts for the vent configurations we see in Monrovia homes, so a cracked vent cap or a rusted transition elbow doesn’t mean waiting a week for a part to ship. Dispatch and scheduling are coordinated from our Los Angeles office; the crews serving Monrovia live and work in this area.
Styles & brands we work with




Dryer Vent Cleaning Service in Monrovia
Dryer Vent Cleaning Service in Monrovia means removing the lint, debris, and animal nesting material from the entire exhaust run, from the dryer’s transition elbow all the way to the exterior vent cap. In a pre-1950 Craftsman or Spanish Colonial home, that run is rarely a straight shot. Galvanized ducts from the 1940s often angle through three or more elbows in a cramped attic, and every one of those turns is a place lint likes to settle.
A standard cleaning in Monrovia runs $140 – $260 for a single-family home. If the run is unusually long or the access panels are non-standard, we’ll tell you that up front, with the adjusted flat price in writing before we start. No per-vent pricing, no add-ons discovered mid-job.
Source Removal, Not Blowing Lint Around
We use a rotary brush system from Rotobrush combined with negative pressure and HEPA filtration. What does that mean for you? The brush physically scrubs the duct walls while the negative-air machine pulls everything loose out through a HEPA-filtered vacuum. Nothing gets recirculated into your laundry room or your attic. You see before-and-after photos of your own duct when we’re done, not a stock image.
When a Monrovia Homeowner Needs This
If your dryer takes two cycles to dry towels, the vent is almost certainly restricted. If the exterior vent flap isn’t opening when the dryer runs, same story. In Monrovia’s older homes with unventilated attics and original galvanized ductwork, we recommend a cleaning every 12 months. Homes with shorter runs and newer pipe can often go two years. We’ll tell you honestly which category yours falls into.
Dryer Vent Installation in Monrovia
Dryer Vent Installation in Monrovia covers new installations where none exists, full replacements of rusted or collapsed duct, and rerouting when the existing run is longer than it should be or buried in an inaccessible part of the attic. Most installations we do here involve replacing original thin-wall galvanized pipe from the 1940s or 1950s that has rusted through at the seams.
A typical vent replacement or reroute in Monrovia runs $190 – $390 depending on the run length, the number of elbows, and whether we’re cutting a new exterior termination point. The flat price is written down before we start, and it includes the vent cap, the pipe, the fittings, and the labor.
Vent Rerouting for Older Foothill Homes
Homes northeast of Foothill Boulevard often have dryer ducts that were retrofitted into attics that were never designed for them. The runs wander, dip, and turn in ways that trap lint no matter how often you clean. When the geometry is that bad, cleaning is a bandage. Rerouting with smooth-wall pipe and a straighter path solves the recurring problem for good.
Vent Cap Replacement and Bird Guard Installation
We replace cracked, warped, or missing vent caps, and we install bird guards over exterior terminations to keep sparrows and starlings from nesting in the warm exhaust air. A bird guard and new cap add $40 – $90 to a cleaning or installation. In Monrovia, where mature trees and the foothills bring birds close to the roofline, it’s cheap insurance against a blocked vent.
Trusted Brands We Service in Monrovia
We work on dryers and vent systems from every major manufacturer, and we stock parts locally for the configurations we see most often in Monrovia homes. Our cleaning and negative-air equipment is built by Rotobrush and Nikro, and we carry filtration products from Honeywell and Aprilaire when the job calls for it. What that means for you: we can usually complete a replacement or repair in one visit, because we’re not waiting on a part to ship from a regional warehouse. If your vent cap is cracked, if your transition elbow is torn, if your run is original galvanized and rusting at the seams, we have what’s needed on the truck.
See the difference
Before
After
Before
After
Before
AfterCommon Dryer Vent Cleaning Problems We See in Monrovia Homes
- Compacted lint plugs just past the transition elbow. The first turn behind the dryer is where most restrictions start. In Monrovia’s older homes with long attic runs, we often find plugs eight to fourteen feet in, where the builders of the 1930s and 1940s made a turn that’s too sharp for today’s dryers.
- Rusted galvanized duct in unventilated attics. Original thin-wall galvanized pipe from the 1940s corrodes from the inside out. Moisture from the dryer exhaust mixed with decades of lint accelerates it. We see this constantly in bungalows near North Canyon Boulevard and in the foothill neighborhoods below the mountains.
- Non-standard access panels in cramped attic spaces. Older Monrovia homes rarely have the clean access points you find in a tract-built house. We use flexible camera scopes to inspect runs that won’t accommodate a standard access panel, and we’ll show you the footage.
- Animal nesting in exterior vent caps. Sparrows, starlings, and occasionally squirrels find a warm, sheltered spot in an uncapped dryer vent. A bird guard installed during a standard cleaning prevents the problem before it starts.
Pricing for Dryer Vent Cleaning in Monrovia, CA
What affects the price? Run length, the number of elbows, access difficulty in a cramped attic, and whether we’re replacing components rather than just cleaning them. We don’t charge per vent. We don’t discover “problems” halfway through and pad the invoice. Call (626) 469-5477 and you’ll get a straight answer about what your home actually needs and what it will cost.
We Also Serve Cities Near Monrovia
Our crews serve Monrovia and the surrounding foothill communities. If you’re in Arcadia, Duarte, Temple City, or El Monte, the same flat-price guarantee and 365-Day Done Right Promise applies. The conditions in those homes are often similar to what we see in Monrovia, especially in the pre-1960 neighborhoods closer to the mountains.
Serving Monrovia, CA - Our Local Coverage Area
We’re based in the Monrovia 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 Dryer Vent Cleaning in Monrovia
How often should I clean my dryer vent in Monrovia, given the Santa Ana winds and older homes?
Every 12 months for most pre-1950 homes in Monrovia. The Santa Ana winds carry fine dust from the San Gabriel Mountains that settles in your dryer exhaust pathway, and older galvanized duct with multiple elbows traps lint faster than the smooth-wall pipe in newer construction. If your dryer takes two cycles to dry towels, don’t wait for the annual mark. Call (626) 469-5477 and we’ll assess the actual condition of your run.
Do you need to access my attic to clean the dryer vent in a Monrovia bungalow?
Sometimes. If your vent runs through an unventilated attic, which is common in the Craftsman and Spanish Colonial homes built before 1950, we typically need attic access to clean the full run properly. We can often work from the exterior vent cap and the dryer transition elbow when the run is straight and short, but the older foothill homes rarely are. We’ll tell you what access we need when you call.
Can you replace a galvanized dryer duct that has rusted inside a Monrovia attic?
Yes. We replace rusted galvanized duct with smooth-wall pipe sized correctly for your dryer’s exhaust requirements, and we route it as straight as the attic framing allows. The flat price for the replacement is in writing before we start, and the work is covered by the 365-Day Done Right Promise. If the new run fails within a year, we return at no charge.
What does it mean that you use negative pressure and HEPA filtration for dryer vent cleaning?
Negative pressure means the air inside the duct is pulled outward while we clean, so loosened lint and debris moves toward the vacuum instead of blowing back into your laundry room. The HEPA filter captures the fine particles instead of exhausting them into your attic or your yard. It’s the same approach we use for air duct cleaning on the residential side, scaled for a three- or four-inch dryer run. You see the result in before-and-after photos of your own duct.
Why do you ask to see the dryer’s model and the vent path before giving a flat price in Monrovia?
Because the price depends on facts, not on what we can find once we’re inside. The dryer’s model tells us the exhaust requirements. The vent path tells us the run length, the number of elbows, and the access points. A straight six-foot run in a newer home near Duarte Road is a different job than a fourteen-foot run with three elbows through a 1920s attic near North Canyon Boulevard. We price both honestly, in writing, before we start. Call (626) 469-5477 for your number.
Written by Roy Castellanos, Owner at Hollis Air Duct Pasadena, serving Monrovia and the surrounding foothill communities.