Whole-home duct cleaning
Dryer vent 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.
Aprilaire Duct Sealing & Repair: The Riverside Owner’s Guide
Aprilaire duct sealing and repair in Riverside typically runs $350 to $900 installed, depending on how much of the duct run has failed and whether we’re sealing seams or replacing sections. Most jobs are completed the same day we arrive, and we stock Aprilaire-compatible sealing materials, collars, and repair components at our local shop so you’re not waiting on a slow parts shipment. The way most Riverside homeowners discover the problem is quiet: a room that never gets quite cool in August, a hallway that smells musty right after the AC kicks on, or an electric bill that climbs while comfort drops.
If you have an Aprilaire system and suspect your ductwork isn’t holding up, call our team at (350) 240-5513. We’ll inspect the full run, show you exactly what we find, and hand you a written price before anyone touches a tool.
Which Aprilaire Models This Applies To
Aprilaire’s duct sealing and repair components cover their whole-home ventilation and filtration lines, including the 8100, 8120, 8126, and 8140 series energy recovery and fresh air ventilators, plus the 5000 and 7000 series filtration units that tie directly into your ductwork. There’s a compatibility detail worth knowing here, because it trips up a lot of homeowners in Riverside: the 8100 and 8120 use a 6-inch round duct collar as the standard connection, while the 8140 and many of the later production units switched to an 8-inch collar. If someone grabs the wrong collar size and tries to make it fit with tape, that seam fails within a season or two, especially once the Santa Ana winds push dust and dry heat through the attic.
We match parts two ways: by the model number stamped on the unit’s data plate, and by measuring the actual duct opening with a caliper before we quote anything. For sealing, we carry professional-grade mastic and aluminum-backed tape rated for the temperature swings Riverside attics see in July, which can hit 140°F and cook cheap vinyl tapes until they peel. OEM Aprilaire collars and gaskets are what we prefer for replacement parts because the tolerances are exact, but for straight runs of flexible duct we often use quality aftermarket equivalents from our regular suppliers. We’ll tell you which makes sense for your system and why before we order anything.
Mortons Air Duct Riverside is an independent service provider and not affiliated with Aprilaire, nor with Lennox, Trane, or Carrier, though we do stock compatible repair components for all four brands.
Styles & brands we work with
Signs Your Aprilaire Duct Sealing & Repair Is Failing
Here’s what a failing Aprilaire duct seal or repair actually looks like from inside a Riverside home. If you’re checking off more than two of these, it’s worth a call.
- One or two rooms never reach temperature. This points to a disconnected or collapsed duct section between the trunk line and that room’s register. We find this often in older Riverside homes near the Wood Streets where duct runs were added piecemeal over decades and the original sealing has finally let go.
- Dust accumulates fast, even right after cleaning. Gaps in the duct system pull attic air, insulation fibers, and fine Riverside dust into the supply stream. You’ll notice it most on dark furniture and around floor registers.
- A musty or stale smell when the fan runs. A breach in the return side of the system draws air from unconditioned spaces like the attic or crawlspace, and that air carries whatever’s up there with it.
- Higher electric bills without a change in usage. Conditioned air escaping into the attic before it ever reaches your rooms means the system runs longer to satisfy the thermostat. In Riverside’s summer, that inefficiency adds up quickly on a Riverside Public Utilities bill.
- Whistling or hissing near duct joints. You’re hearing air escape through a failing seal. The sound is often faint, but once you know it, you’ll catch it near registers or where the duct enters the ceiling.
Replacement Cost & What’s Included
For Riverside homes, Aprilaire duct sealing and repair work generally falls into three tiers. Sealing a few accessible duct joints and reconnecting one loose collar runs $350 to $500. Repairing a failed section of flex duct, replacing a crushed or disconnected collar, and resealing the run runs $500 to $700. A more involved repair covering multiple breaches, replacement of a long flex run, and sealing all accessible connections at the plenum typically runs $700 to $900.
Every quote includes the materials, the labor, and cleanup. There’s no per-vent price trickery and no surprise line item added after the fact. Paul Adeyemi keeps it simple: we tell you the exact price before work starts, in writing, and that’s the price on the invoice. If something unexpected shows up once we’re inside the attic, work stops immediately and we show you what we found before any additional work gets approved. Every Aprilaire repair we complete at Mortons Air Duct Riverside is covered by our 365-Day Done Right Promise: if it isn’t right, we make it right, no debate.
See the difference
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After
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AfterDIY or Call Us?
There are a couple of things a Riverside homeowner can safely do before calling. You can walk the house and note which rooms feel warm or stuffy. You can check that all your registers are fully open and not blocked by furniture or rugs. You can pop off a register cover and shine a flashlight down the duct to look for obvious gaps or disconnected sections near the opening. These observations help us work faster, and they help you understand what’s going on in your own home.
What we don’t recommend is climbing into the attic with a roll of tape. Attics in Riverside get dangerously hot, ductwork is often run through cramped and awkward spaces, and a poorly sealed repair will simply fail again, usually in the middle of the first heat wave. There’s also a genuine risk of stepping through a joist or disturbing electrical lines you can’t see. This is a job where the right materials and the right experience matter. If you’re seeing symptoms, call (350) 240-5513 and we’ll handle it from the inspection onward. As Paul puts it, “I’ll tell you what I find, what it will take, and what it will cost – before anything gets touched.”
Frequently Asked Questions
In Riverside’s climate, a properly installed duct seal using professional mastic and aluminum-backed tape lasts 10 to 15 years before the extreme attic heat begins to degrade it. Homes that see heavier dust seasons or that have rodent activity in the attic may see failures sooner. If your last sealing job is more than a decade old, it’s worth an inspection even without symptoms. Call (350) 240-5513 and we’ll take a look.
In most cases, seals can be repaired rather than replacing the entire duct run. Failed tape and dried-out mastic can be stripped and reapplied, and loose collars can be re-secured with the right fasteners and sealant. We only recommend replacement when the duct itself is crushed, torn, or so brittle that a repair won’t hold. We’ll show you photos from the inspection so you can see the condition for yourself.
A straightforward sealing and collar repair typically takes two to four hours once our crew is on site. Jobs involving multiple breaches or a full flex-duct replacement can run a full day. We’ll give you a clear time window when we schedule, and we protect your floors with shoe covers and drop cloths from the moment we walk in.
We stock the most common collars, mastic, aluminum-backed tape, and flex duct sizes on our trucks, including the 6-inch and 8-inch collars used across the Aprilaire line. If your system needs a part we don’t have on board, we can typically source it same-day from our local suppliers in the Inland Empire. Either way, you’ll know the timeline before we start.
Call Mortons Air Duct Riverside for Aprilaire Duct Sealing & Repair
If your Aprilaire system isn’t moving air the way it should, we’ll find out why and fix it right. Every visit includes a written price before work begins, shoe covers and drop cloths inside your home, and a photo of the cleanup before we leave. Call (350) 240-5513 for a free estimate. We serve Riverside and the surrounding communities, from older neighborhoods near the Wood Streets to the newer developments out by Canyon Crest.
Written by Paul Adeyemi, Owner, Mortons Air Duct Riverside at Mortons Air Duct Riverside, serving Riverside and nearby areas.