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.
Fast, Reliable Air Duct Cleaning Across Liberty Lake
Air duct cleaning in Liberty Lake, WA typically runs $350 – $650 for a standard residential system and $800 – $2,400 for commercial jobs, with most homes in the area needing service every 3 – 5 years due to our hard-running HVAC seasons. Our Air Duct Cleaning team dispatches to Liberty Lake from our Seattle coordination office, and we’ve worked the subdivisions around the golf course, the newer custom builds off Molter Road, and the condo clusters near the lake itself. We know the difference between a mid-century Spokane fixer and a 2004 Liberty Lake sealed system, and we price accordingly. Call (361) 326-5060 for a free estimate.
Why Hollis Air Duct Cleaning Is Liberty Lake’s Preferred Air Duct Cleaning Company
We’ve been in business since 2004 as part of the Garrison Partners family, and our Air Duct Cleaning in Liberty Lake work follows The Garrison Standard: written price before any work starts, background-checked uniformed technicians, and a 365-Day Done Right Promise backed in writing on every job. Liberty Lake homeowners aren’t looking for the lowest teaser coupon; they’re looking for a crew that shows up inside the window, doesn’t renegotiate at the door, and leaves the site clean.
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. When you schedule in Liberty Lake, you get a technician who arrives uniformed and accountable, with professional-grade equipment from Rotobrush and Nikro, and filtration products from Honeywell, Aprilaire, and Guardsman. The same tools commercial crews use, explained in plain terms before we start.
We don’t quote one flat price for a house with three air handlers and then skip the farthest system. We price per system, in writing, before we touch anything. That’s The Garrison Code.
Residential Air Duct Cleaning in Liberty Lake
Residential Air Duct Cleaning in Liberty Lake means working through the planned subdivisions that grew up around the golf course and the lake in the 1990s and 2000s, plus the newer custom homes and condos that followed. These aren’t drafty mid-century houses with leaky returns; they’re sealed, high-efficiency systems with flex runs, multiple zones, and air handlers tucked into conditioned attics or mechanical closets. The work involves source removal: agitation tools under negative pressure, rotary brush contact with the duct walls, and HEPA filtration on the exhaust so nothing resettles in your living space.
Most Liberty Lake residential jobs run $350 – $650 for a single system, $650 – $1,100 for two systems, and $950 – $1,500 for three. Price depends on system count, total linear footage of ductwork, and accessibility. We don’t do per-vent pricing; it’s one flat price per system, agreed before we start.
Video Inspection Before and After
On every Liberty Lake residential job, we run a camera through the supply and return trunks before touching anything. You see what we see. After source removal, we run it again. Documentation matters when the work happens inside walls you can’t access.
Multi-System Homes and Per-System Pricing
Many Liberty Lake houses built after 1995 have two or three air handlers serving different floors or wings. We price each system separately in writing. The far system with the long flex runs doesn’t get skipped because it was bundled into a vague “whole house” quote.
Commercial Air Duct Cleaning in Liberty Lake
Commercial Air Duct Cleaning in Liberty Lake covers the medical offices along Appleway Avenue, the retail strips near the interstate, and the professional buildings that serve the growing Spokane Valley corridor. These systems run longer hours than residential, often with rooftop units, VAV boxes, and fire/smoke dampers that require coordination with building maintenance. We use Nikro negative-air machines and Rotobrush rotary systems sized for commercial trunk lines, with containment and HEPA filtration that keeps occupied spaces operational during the work.
Commercial pricing in Liberty Lake starts around $800 for small professional suites and ranges to $2,400 for larger multi-unit buildings with complex duct networks. We scope the job on-site, provide a written quote with line-item breakdowns, and schedule around your hours.
NADCA-Aligned Source Removal Methods
Our commercial crews follow source removal standards using mechanical agitation and negative-air extraction. We don’t spray sealants or deodorizers as a substitute for cleaning. The debris comes out, gets filtered, and gets removed from your building.
Post-Cleaning Documentation for Facility Managers
Commercial clients receive before/after video, static pressure readings, and a written completion report. Your maintenance log stays current, and your warranty documentation stays intact.
Trusted Brands We Service in Liberty Lake
We stock and service filtration and cleaning equipment from Honeywell, Aprilaire, and Abatement Technologies for Liberty Lake customers, with parts availability that keeps turnaround short. Our Rotobrush and Nikro machines handle the ductwork; the Honeywell and Aprilaire filters and media cabinets we install afterward handle what comes next. Guardsman filtration products round out the lineup for homeowners with allergy or respiratory concerns. We don’t sell what we wouldn’t run in our own equipment, and we explain what each component does for the air moving through your specific system before you decide.
Common Air Duct Cleaning Problems We See in Liberty Lake Homes
- Orchard dust in 2000s-era flex runs. Liberty Lake’s subdivisions sit on former orchard land, and we regularly find fine agricultural dust packed into branch ducts in homes that have never been cleaned. The sealed systems keep it circulating instead of letting it settle.
- Drywall debris from the original build or a remodel. Because many Liberty Lake homes were finished in the 2003 – 2008 window, leftover construction debris still sits in returns and supply trunks. Homeowners who keep spotless houses are often shocked by what the camera reveals.
- Long second-story runs starving for airflow. The multi-system homes near the golf course and along Molter Road frequently have upstairs zones that were never properly balanced. Static pressure drops after cleaning confirm what the homeowner felt: weak airflow that wasn’t a failing blower, just choked ducts.
- Pollen and fireplace ash loading during shoulder seasons. Liberty Lake’s spring pollen load from the surrounding Greenacres area, combined with winter wood-burning, pulls particulate through returns and deposits it on evaporator coils and duct walls. Cleaning the ducts reduces the reservoir that feeds your indoor air year-round.
Pricing for Air Duct Cleaning in Liberty Lake, WA
Here’s what air duct cleaning costs in Liberty Lake, based on the jobs we’ve completed across the local market:
| Service | Typical Range |
|---|---|
| Single-system residential cleaning | $350 – $650 |
| Two-system residential cleaning | $650 – $1,100 |
| Three-system residential cleaning | $950 – $1,500 |
| Small commercial (under 5,000 sq ft) | $800 – $1,400 |
| Medium commercial (5,000 – 15,000 sq ft) | $1,400 – $2,400 |
What moves the price: system count, total duct footage, accessibility (crawl space vs. conditioned attic), and whether we find conditions that need addressing before cleaning, such as disconnected returns or failed duct sealing. We don’t bait with a low per-vent figure and then multiply at the door. The price is written down before any work starts, and it does not move. Call (361) 326-5060 for a free estimate on your Liberty Lake home or building.
We Also Serve Cities Near Liberty Lake
Our crews work throughout the Spokane Valley and beyond, including Liberty Lake, Mead, Spokane, Airway Heights, and Cheney. Scheduling and dispatch are coordinated from our Seattle office, with local technicians serving each community directly.
Serving Liberty Lake, WA - Our Local Coverage Area
We’re based in the Liberty Lake 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 in Liberty Lake
You’re charged per system, with each one priced in writing before we start. A “whole house” flat rate often means the farthest air handler gets skipped and its long flex runs never see a brush. We don’t do that. Call (361) 326-5060 for an exact quote – estimates are free.
Because Liberty Lake’s subdivisions were built on former orchard land, and sealed high-efficiency systems don’t show dust the way drafty old houses do. The debris is there – fine orchard dust, construction leftovers, remodel drywall – but it circulates quietly until a camera finds it. Many long-time owners are surprised. We were out on a three-system house near the Liberty Lake golf course, where the upstairs run was starving for airflow and the return was packed with drywall dust from a 2003 remodel; our tech ran a camera inspection before touching anything, found the debris field, then worked the supply and return ducts with agitation tools under negative pressure. After source removal and a HEPA filtration pass, the static pressure dropped and the homeowner couldn’t believe how much fine orchard dirt came out of a house they’d kept spotless for twenty years.
You receive before/after video inspection footage, a written completion summary, and your copy of the written price agreement with the 365-Day Done Right Promise attached. If the work fails within a year, we return and make it right at no charge, including a free second visit. Documentation matters for work you can’t see inside your walls.
Yes. Liberty Lake’s spring pollen load from the Greenacres area and winter wood-burning ash both deposit particulate in your ductwork that recirculates when the system runs. Source removal reduces that reservoir. It doesn’t eliminate outdoor pollen, but it stops your ducts from being a secondary source.
Yes. Commercial jobs use larger negative-air machines, coordinate with building maintenance on fire damper access, and require post-cleaning documentation for facility logs. Pricing is project-specific based on square footage and system complexity. Call (361) 326-5060 to schedule a site visit.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Liberty Lake since 2004.




Before
After
Before
After
Before
After