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 Duct Sealing Across Mead Valley
Duct sealing in Mead Valley typically runs $450 – $1,200 for a whole-home system, and most jobs are scheduled within a few days of your call. We’re the Mead Valley crew from Hollis Air Duct Cleaning, and we know the specific failures this area’s older housing stock throws at homeowners: disconnected flex runs in unconditioned attics, crushed returns behind the air handler, and wind-driven decomposed granite coating the inside of ductwork after every Santa Ana event. Our dispatch team coordinates from the Inland Empire office, and our technicians cover Mead Valley neighborhoods including properties along Rider Street, the rural stretches near the 215 corridor, and the semi-rural pockets between Perris and Moreno Valley. Call (361) 326-5060 for a free written estimate before any work starts.
Why Hollis Air Duct Cleaning Is Mead Valley’s Preferred Duct Sealing Company
We’ve been in business since 2004 as part of the Garrison Partners family, and our 365-Day Done Right Promise applies to every Mead Valley job we take on, from air duct sealing to our Dryer Vent Cleaning in Mead Valley. If the seal fails within a year, we come back and make it right at no charge, including a free second visit. That’s written down before we touch anything.
Our technicians are background-checked and uniformed, and they arrive inside the quoted window. The Garrison Code requires pricing in writing before work begins, completing the job by the book, and leaving the site clean. No estimates that balloon once we’re inside your home.
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 for someone to pick up.
We use professional-grade equipment from Rotobrush, Nikro, and Abatement Technologies, and we explain what each tool does in plain terms on every job. Homeowners in Mead Valley aren’t shopping for the cheapest bid; they’re shopping for the bid they can trust.
Air Duct Sealing in Mead Valley
Air Duct Sealing in Mead Valley means closing the gaps, tears, and disconnected joints in your home’s ductwork so conditioned air reaches the rooms it’s supposed to reach instead of leaking into your attic or crawl space. Most Mead Valley homes we work on were built between the 1970s and 1990s, with flexible non-metallic ductwork running through unconditioned attics that take a beating from hot, dry summers and those periodic high-wind events that scour the Perris Valley. A typical whole-home Air Duct Sealing job in Mead Valley runs $450 – $1,200 depending on system size, accessibility, and whether we find crushed or disconnected runs that need reconnection before sealing can begin.
What We Find in Mead Valley Attics
Original flex duct sags and tears at the collar after decades of temperature swings. The dry climate keeps debris inside the runs instead of flushing it with humidity. We inspect with a camera before we quote, so you see what we see.
When Sealing Becomes the Fix
Homeowners call us when rooms won’t heat or cool evenly, when utility bills climb without explanation, or when a previous cleaning didn’t stop the dust. Often the real problem is leakage, not dirt. Sealing restores pressure balance and stops the blower from pulling unfiltered attic air into your living space.
Duct Sealing Services in Mead Valley
Duct Sealing Services in Mead Valley cover the full range of closure and repair work needed on residential forced-air systems, from mastic application at loose joints to complete reconnection of separated runs. Our Duct Sealing team uses professional-grade mastic compounds and mechanical fasteners, not the foil tape that dries and fails within a few seasons. Because much of Mead Valley’s housing stock uses older flexible ductwork in unconditioned attics, our crews are trained to work in tight, hot spaces without damaging surrounding insulation or structure. A typical Duct Sealing Services job in Mead Valley runs $450 – $1,200, with larger ranch-style homes or properties with multiple air handlers at the higher end.
Source Removal Before Sealing
We don’t seal over accumulated debris. Our rotary brush systems and negative-air machines remove the decomposed granite soil and dust buildup first. Sealing a dirty joint just traps contamination against the new mastic.

Pressure Testing After the Work
We verify our seals with a pressure differential test when possible, so you have measurable proof the leakage stopped. The Garrison Standard requires completing the job by the book, and that means testing what we touched.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Mead Valley
We stock parts and filtration products from Honeywell, Aprilaire, and Abatement Technologies for Mead Valley customers, which means faster turnaround when your system needs a component replacement during sealing work. Our equipment roster includes Nikro negative-air machines for source removal and Rotobrush rotary brush systems for mechanical cleaning inside the duct runs. These are the same tools commercial crews use, not hardware-store gear. When we seal a system, we use mastic and fasteners rated for the temperature swings your Mead Valley attic experiences, and we source filtration upgrades from brands that publish actual MERV ratings and pressure-drop data. If your air handler needs a new filter housing or upgraded filtration during the sealing visit, we typically have the parts on the truck.
Common Duct Sealing Problems We See in Mead Valley Homes
- Santa Ana wind events push decomposed granite through eave vents into attic duct runs. The fine reddish-brown soil distinctive to this area’s alluvial soils coats the inside of flex duct and accumulates for years because there’s no municipal utility inspection cycle to prompt attic access on private-well, septic-served properties.
- Original 1970s – 1990s flex duct sags and tears at the collar in unconditioned attics. Hot summers and large day-night temperature swings harden the plastic over time, and the dry climate prevents the self-flushing that humidity would provide.
- Crushed or disconnected runs behind the air handler go undiagnosed for years. Without municipal utility oversight, homeowners in Mead Valley often don’t discover these failures until a blower motor starts pulling attic air and visible dust through the supply registers.
- Previous owners or handymen used foil tape that has dried and failed. We remove the old tape, clean the joint, and apply mastic rated for decades of service in attic conditions.
Pricing for Duct Sealing in Mead Valley, CA
A typical whole-home duct sealing job in Mead Valley runs $450 – $1,200. Smaller manufactured homes with single air handlers and accessible attics tend toward the lower end. Larger ranch-style properties with multiple zones, crushed runs needing reconnection, or extensive mastic work across dozens of joints run higher. We give you one flat price per system, agreed in writing before any work starts. No per-vent pricing, no add-ons once the van is on your drive. Factors that affect your specific price: system size and number of air handlers, attic accessibility, whether camera inspection reveals disconnected or crushed runs requiring reconnection before sealing, and whether source removal is needed before mastic application. We take before-and-after photos of your own ducts so you see what was found and what was fixed. Call (361) 326-5060 for a free written estimate.
We Also Serve Cities Near Mead Valley
Hollis Air Duct Cleaning dispatches crews throughout the region from our Inland Empire office. We also provide Duct Sealing in Mead Valley and surrounding areas including Los Angeles, San Diego, San Jose, and San Francisco. Each location operates independently under The Garrison Standard.
Serving Mead Valley, CA - Our Local Coverage Area
We’re based in the Mead Valley 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 Duct Sealing in Mead Valley
The reddish-brown dust is decomposed granite and alluvial soil distinctive to the Perris Valley, blown in through eave vents during Santa Ana wind events. If your ducts weren’t sealed after cleaning, new dust enters through the same gaps and tears. We seal the joints and reconnect separated runs so the contamination stops coming back. Call (361) 326-5060 for a camera inspection and written estimate.
We run a camera through the ductwork and show you the footage before we quote. On a ranch-style property off Rider Street in Mead Valley, we found three disconnected flex runs and a crushed return that the homeowner had no way to see from below. Camera inspection eliminates guesswork and lets us price the actual condition, not a hopeful estimate.
Yes, because there’s no municipal utility oversight prompting regular attic access or maintenance cycles. Homes on private wells and septic in Mead Valley often go years longer without discovering duct failures. We recommend inspection every 3 – 5 years, or sooner if you notice uneven heating, rising bills, or register dust. Call (361) 326-5060 to schedule.
Duct cleaning removes accumulated soil and debris from inside the runs. Duct sealing closes the gaps, tears, and disconnected joints that let new contamination enter and conditioned air escape. In Mead Valley’s wind-scoured climate, sealing without cleaning traps debris against the mastic, and cleaning without sealing invites the next Santa Ana event to start the cycle over. We assess which your system needs, or whether it needs both.
Yes, if the dust is entering through leaks in the return side or around the air handler. Sealing restores negative pressure balance so the blower pulls from the intended return path instead of sucking attic air through gaps. We pressure-test after sealing to verify the blower is drawing from the right places. Call (361) 326-5060 for an exact quote; estimates are free.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Mead Valley since 2004.




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