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 Highland
Air duct cleaning in Highland, CA typically runs $350 – $650 for a whole-house residential system, and most jobs are completed in a single visit. We’re Hollis Air Duct Cleaning, and our crews work Highland regularly from our Inland Empire dispatch office, serving neighborhoods from East Highland Ranch down to the older tracts near Base Line. If your vents are pushing dust, your system’s working harder than it should, or you just bought one of Highland’s mid-century homes and want to know what’s in the ductwork, call us at (361) 326-5060. We’ll give you a written price before any work starts, and we back every job with our 365-Day Done Right Promise.
Why Hollis Air Duct Cleaning Is Highland’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 team knows Highland’s housing stock inside and out. Roy Castellanos leads our operation, and he’s built this crew on The Garrison Standard: show up inside the window, price it in writing before we touch anything, finish by the book, and leave the site clean. Our technicians are background-checked and uniformed, so you know who’s walking into your home before they arrive. Phones are answered by a live person 24 hours a day, seven days a week – no voicemail loops, no callback queues. That matters when you’re trying to schedule around Highland’s heat and you don’t want to wait until Monday for a human voice.
What separates us from the coupon outfits is simple: the price we write down is the price you pay. No per-vent add-ons, no “discovered problems” once the van is in your driveway. If the work fails within a year, we come back and make it right at no charge, including a free second visit. That’s not a slogan – it’s in writing on every job.
HVAC Duct Cleaning in Highland
HVAC Duct Cleaning in Highland means more than vacuuming registers. It means pulling every branch line, trunk, and return with negative-air machines and rotary brush systems, then inspecting what we found. Highland’s semi-arid climate and constant AC use mean your system runs almost year-round, pulling in fine desert dust, pollen, and wildfire ash from the nearby San Bernardino National Forest. That buildup doesn’t stay in the ducts – it recirculates through your living space and grinds against your blower motor.
Most Highland homeowners need HVAC duct cleaning every three to five years, or immediately after a major Santa Ana wind event. A typical whole-house clean in Highland runs $350 – $650, depending on system size, accessibility, and whether we find disconnected joints or crushed branches that need repair.
What We Pull Out of Highland Systems
Our Nikro negative-air machines create suction at the air handler while Rotobrush rotary brushes scrub the interior walls of each duct run. We collect everything in HEPA-filtered containment, so nothing re-enters your home. In Highland, we regularly find fine grit and ash layered on blower motors after Santa Ana episodes – abrasive stuff that shortens equipment life if it’s left circulating.
When Duct Cleaning Becomes Duct Repair
Highland’s post-war tract homes in the eastern neighborhoods were built with rigid metal duct runs sized for swamp coolers and early forced-air systems. By now, the joints have opened enough that a standard clean uncovers 3 – 5 disconnected or crushed branches per house. What looks like a cleaning job is often really a duct-repair-and-seal job with a cleaning attached. We price both before we start, in writing.
Vent Cleaning in Highland
Vent Cleaning in Highland addresses the supply and return registers you see every day – but done properly, it connects to the full system behind the wall. Surface-only vent cleaning is a common bait-and-switch in this trade: a crew vacuums your registers, collects their fee, and leaves the original metal trunk joints untouched three feet from your air handler. In Highland’s mid-century housing stock, that’s missing the real problem entirely.
Our vent cleaning runs $150 – $300 as a standalone service, though most Highland homeowners bundle it with full HVAC duct cleaning for better value. We remove each register, clean the boot and first few feet of branch line, and camera-inspect where accessible. If we find separation at the trunk, we flag it and price the seal work before proceeding.
Supply vs. Return Vent Service
Supply vents push conditioned air into your rooms; returns pull air back to the air handler. Returns in Highland homes often show the heaviest buildup because they’re the intake point for Santa Ana dust and wildfire ash. We spend extra time on returns, and we always check the return trunk near the blower – that’s where the grit accumulates and causes damage.
Camera Verification
After cleaning, we run a video inspection through the main trunk and accessible branches. You see what we see: the before condition, the after condition, and any structural issues that need addressing. No guesswork, no trust-me language. The camera doesn’t lie, and in Highland’s older housing, it often reveals separations that explain why certain rooms never cool properly.
Trusted Brands We Service in Highland
We carry professional-grade equipment and filtration products from Rotobrush, Nikro, Aprilaire, and Abatement Technologies – the same tools commercial crews use, not hardware-store gear. For Highland homeowners upgrading filtration after a clean, we stock Aprilaire media air cleaners and Guardsman filtration products sized to your system. We don’t guess at fit; we measure your return plenum and recommend what actually works with your airflow specs. Fast turnaround on parts means if your clean reveals a failing component, we can often address it same visit rather than scheduling a return trip.
Common Air Duct Cleaning Problems We See in Highland Homes
- Separated metal trunk joints behind walls. Highland’s 1950s – 1970s tract homes used rigid metal ductwork with slip joints and tape seals. The tape has dried and failed by now, and the joints have opened enough to pull attic dust directly into your airflow. A standard register vacuum misses this entirely.
- Santa Ana grit and ash on blower motors. After a wind event, our techs find a noticeable layer of fine abrasive material on blower wheels and inside return trunks. Left in place, it increases motor amp draw and shortens bearing life. Cleaning the ducts without servicing the blower motor leaves the damage source in place.
- Crushed or undersized flex branches from past remodels. When Highland homeowners added central AC to homes originally built for evaporative cooling, contractors often ran cheap flex duct through tight attic spaces. The flex gets crushed, kinked, or torn. Air never reaches the room, and the homeowner pays to condition their attic instead.
- Surface-only cleans that ignore the real work. The coupon special vacuums your registers and calls it done. Your trunk lines remain leaky, your blower motor remains gritty, and your utility bill stays high. We see the aftermath of these jobs regularly in Highland – homeowners who paid twice because the first crew didn’t do the work.
Pricing for Air Duct Cleaning in Highland, CA
Here’s what whole-system air duct cleaning costs in Highland’s market: a typical single-family residential job runs $350 – $650, vent cleaning alone runs $150 – $300, and duct sealing or repair work discovered during cleaning adds $200 – $500 depending on accessibility and extent. Commercial systems and multi-zone residential setups start around $800 and scale with square footage and system complexity.
What moves the price: system size (more ducts, more time), attic accessibility (tight crawl spaces take longer), condition of existing ductwork (separated joints need repair before sealing), and whether the blower motor and air handler need service. We inspect first, price in writing, and get your approval before any work begins. No per-vent pricing, no teaser rates that balloon at the door. Call (361) 326-5060 for a free estimate – we’ll ask about your home’s age, system type, and any specific problems you’re seeing, then give you an honest range before we schedule.
We Also Serve Cities Near Highland
Our crews work throughout the Inland Empire, and we regularly schedule Air Duct Cleaning in Highland alongside jobs in San Bernardino, Loma Linda, Redlands, and Mentone. Same standards, same written pricing, same 365-Day Done Right Promise in every city we serve.
Serving Highland, CA - Our Local Coverage Area
We’re based in the Highland 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 Highland
Yes. Highland’s post-war tract homes in the eastern neighborhoods were built with rigid metal duct runs that have now had 50 – 70 years for joints to separate and seals to fail. A standard clean that only vacuums registers leaves those separations untouched, so you’re still pulling attic dust and unconditioned air into your system. We price the cleaning and any necessary sealing together, in writing, before we start.
Within two to four weeks. The fine grit and ash that Santa Ana winds carry from the San Bernardino National Forest settles in return ducts and on blower motors quickly. The longer it circulates, the more abrasive damage it does to your blower wheel and bearings. If you can see dust layering on your registers or smell smoke residue when the system cycles, call (361) 326-5060 – we’ll inspect and price the work before anything gets worse.
We clean the blower motor, blower wheel, and accessible air handler components as part of our full-system service, not as an add-on. In Highland, skipping the blower motor means leaving the Santa Ana grit and ash where it causes the most damage. We remove the blower assembly, clean it outside the airstream, and camera-verify the return plenum before reassembly. The price includes this work – no surprise charges when we open the cabinet.
Uneven temperatures between rooms, rising utility bills despite normal usage, or visible dust blowout from registers are all warning signs. During our pre-work inspection, we run a video camera through accessible trunk lines and use pressure testing where possible to identify separations. At a 1962 tract home off Base Line near the East Highland Ranch edge, our tech pulled the return register and found the original metal trunk had separated a full two inches at a seam a few feet from the air handler; a quarter cup of Santa Ana grit and ash had been blowing across the blower motor on every cycle for years. We ran the Rotobrush through the main trunk under negative pressure with HEPA filtration, reattached and mastic-sealed the separated joints, and camera-verified the branch runs – the homeowner noticed the 20-degree-greater supply air immediately and the grit layer on the blower motor was gone. Camera verification and pressure testing take the guesswork out.
No. A good filter catches particulates entering the return, but it cannot seal gaps where your trunk line has separated behind a wall. Unfiltered attic air bypasses the filter entirely through those gaps. In Highland’s mid-century housing, we find that sealing separated joints often improves system efficiency more than upgrading filtration alone. We evaluate both during our inspection and recommend what your specific system actually needs.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Highland and the Inland Empire since 2004.




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