Air Duct Cleaning in Glendale - One Flat Price, Before-and-After Photos

Fast, Reliable Air Duct Cleaning Across Glendale

Air duct cleaning in Glendale typically runs $350 – $650 for a full residential system and $800 – $2,500 for commercial buildings, with most jobs scheduled within a few days of your call. Hollis Air Duct Cleaning dispatches crews from our Los Angeles office to serve Glendale homeowners and property managers directly, and we carry the professional-grade equipment needed for the city’s unique wildfire-ash and older-ductwork challenges. Call us at (361) 326-5060 for a free written estimate.

Call (361) 326-5060

We know Glendale’s housing stock inside and out: the pre-war bungalows south of Colorado Boulevard, the hillside ranchers above Glenoaks, the mid-century tracts near the Chevy Chase Country Club, and the dense multi-unit buildings along Brand Boulevard. Each building type presents different duct access problems, different ash-trapping patterns, and different equipment requirements. Our technicians arrive uniformed, background-checked, and equipped with Rotobrush rotary brush systems, Nikro negative-air machines, and HEPA filtration from Abatement Technologies. The price is written down before we touch anything, and every job carries our 365-Day Done Right Promise.

Why Hollis Air Duct Cleaning Is Glendale’s Preferred Air Duct Cleaning Company

We’ve built our reputation in Glendale on operational specifics, not slogans. Our crews arrive inside the quoted window, price the job in writing before work starts, and leave the site clean. That’s The Garrison Standard, and it’s how every Hollis location operates, including ours serving the Glendale area.

Our phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops, no callback queues, no waiting until Monday to schedule. For Glendale residents dealing with post-wildfire ash contamination or preparing a property for sale in the 91205 or 91206 ZIPs, that responsiveness matters.

We don’t send different technicians to your home each time. Our Glendale-area crews are the same background-checked, uniformed technicians who know the local building types: where the attic hatches are in 1950s ranchers, how to access shared mechanical rooms in multi-unit buildings near downtown, and why a standard supply-only cleaning misses half the problem in hillside homes with attic-mounted air handlers.

Roy Castellanos, who leads Hollis Air Duct Cleaning, insists on The Garrison Code for every technician: accountable, verifiable, squared away. You know who is walking into your home before they arrive.

Residential Air Duct Cleaning in Glendale

Residential Air Duct Cleaning in Glendale addresses the full HVAC loop: supply ducts that push conditioned air into your rooms, return ducts that pull it back, and the plenum and air handler connections where wildfire ash and debris collect. A typical full-system residential cleaning in Glendale runs $350 – $650, depending on system size, accessibility, and whether we find disconnected flex duct or ash-laden buildup requiring additional agitation and HEPA vacuuming.

Glendale’s housing split shapes what we find. In the 91201 – 91204 ZIPs near downtown and south Glendale, pre-1940 bungalows and Spanish Revival homes often have original or half-century-old ductwork, sometimes retrofitted from floor furnaces, with leaky joints that trap debris. The hillside ranchers and 1960s – 70s tract homes in 91206, 91208, and 91214 are more likely to have central HVAC but with aging flex duct that collapses and collects dust, especially in attic runs exposed to summer heat.

Supply Duct Cleaning

Supply ducts deliver conditioned air to every room. In Glendale homes, we often find these partially blocked by collapsed flex duct in attic spaces or coated with fine ash from wildfire events that entered through compromised return pathways. Our Rotobrush rotary brush system agitates debris from duct walls while Nikro negative-air equipment maintains suction, preventing recontamination of your home.

Return Duct Cleaning and Plenum Sealing

Return ducts are where Glendale’s wildfire-ash problem lives. Ash that enters during red-flag events settles in the return plenum, then re-entrains into the HVAC loop months later when you restart your system. We clean the full return path and inspect plenum connections, resealing with mastic where attic-mounted air handlers have loose or disconnected flex joints. Skip this step, and the smell never leaves.

Commercial Air Duct Cleaning in Glendale

Commercial Air Duct Cleaning in Glendale serves office buildings, retail spaces, medical offices, and multi-unit residential properties along Brand Boulevard, Central Avenue, and the commercial corridors near the Galleria. Typical commercial jobs range from $800 for small retail systems to $2,500 for larger multi-zone buildings with rooftop units and extensive duct runs. We schedule around your business hours and building access requirements.

Glendale’s commercial buildings present distinct challenges: shared mechanical rooms, restricted parking for our equipment vans, and coordination with building management for rooftop access. Our crews carry the full Nikro negative-air and Rotobrush setup needed for commercial-grade source removal, and we document before-and-after conditions with video inspection so property managers have proof of completion for tenants and insurers.

Multi-Unit Building Coordination

Apartment and condo buildings in 91201 – 91204 require careful scheduling around tenant access and shared system shutdowns. We coordinate with building management to clean trunk lines and branch runs without disrupting residents, and we address shared dryer vent stacks that many duct cleaners skip because equipment access is restricted by parking and building layouts.

Video Inspection and Documentation

Commercial clients in Glendale need proof, not promises. Our video inspection records the interior condition of your ductwork before and after cleaning, with timestamps and location notes. This documentation supports insurance claims after wildfire events, lease negotiations, and health department compliance where indoor air quality is regulated.

Trusted Brands We Service in Glendale

Our equipment roster includes professional-grade tools from Rotobrush, Nikro, and Abatement Technologies, plus filtration products from Honeywell, Aprilaire, and Guardsman. These are the same brands commercial crews use, not hardware-store gear. For Glendale customers, this means we can source replacement filters, media, and sealing materials without the delays that come from ordering unfamiliar parts. A Guardsman filtration upgrade or Aprilaire media replacement happens on the same visit, not two weeks later. Our technicians explain what each component does in plain terms, so you understand why we’re recommending specific filtration for your wildfire-exposed system.

Common Air Duct Cleaning Problems We See in Glendale Homes

• Ash re-entrainment from loose attic connections. After the 2020 Bobcat Fire, our crew worked a 1950s ranch-style home in Glenoaks Canyon where the customer kept smelling ash six months after the fire. We found the source: an attic-mounted air handler with loose, disconnected flex duct connections that were pulling ash from the return plenum back into the supply and return ducts. Using negative pressure and HEPA filtration, we resealed the connections, agitated the ducts with Rotobrush equipment, and the ash smell cleared.
• Collapsed flex duct in hillside homes. The 91206 and 91208 ZIPs are full of 1960s – 70s tract homes with attic-mounted air handlers and long flex duct runs. Summer heat degrades the material, and sections collapse or tear, creating debris traps that standard cleaning misses unless we inspect with a camera first.
• Shared dryer vent stacks in multi-unit buildings. Dense apartment construction along Brand Boulevard and near downtown routes dryer vents through a common stack. One clogged lint trap on the fourth floor restricts airflow for the entire building, creating fire risk and forcing laundry appliances to overheat. We clean the full stack, not just accessible sections.
• Original ductwork in pre-war homes retrofitted for central air. The Spanish Revival and bungalow stock in 91201 – 91204 often has supply and return pathways that were never designed for forced air. Joints leak, returns are undersized, and debris accumulates where the retrofit connects to old construction. We seal what we can access and document what needs structural repair.

Pricing for Air Duct Cleaning in Glendale, CA

We Also Serve Cities Near Glendale

Our crews regularly work in Glendale and the surrounding communities: Burbank to the west, West Hollywood to the southwest, Altadena to the east, and Pasadena to the northeast. Dispatch and scheduling are coordinated from our Los Angeles office, with local crews serving each area. If you’re searching for Air Duct Cleaning anywhere in the San Gabriel Valley or central Los Angeles County, we cover it under the same written pricing and 365-Day Done Right Promise.

FAQs About Air Duct Cleaning in Glendale