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 Tampa Owner’s Guide
If you own an Aprilaire system in Tampa and have discovered a duct leak, disconnected joint, or failed sealing collar, we can match the exact part and install it the same week. Most Aprilaire duct sealing and repair work in Tampa runs between $185 and $520 installed, depending on whether we’re resealing a single plenum connection or rebuilding a failing duct run. You’ll know something’s wrong when you feel weak airflow in one room, hear a hiss near the air handler, or notice a musty smell that gets worse when the AC kicks on. Leaks pull hot, humid attic air into your system, and in Tampa’s climate, that humid air becomes condensation, dust, and sometimes mold inside the ducts.
We’re an independent service provider, not affiliated with Aprilaire. That means we can be honest about which Aprilaire parts are worth paying OEM prices for and which aftermarket equivalents do the same job for less. Paul Adeyemi has spent years working on homes in Hyde Park and surrounding Tampa neighborhoods where older Aprilaire systems and relentless humidity make duct integrity a constant maintenance point. Before we move anything, he’ll show you what we found.
Which Aprilaire Models This Applies To
Aprilaire duct sealing and repair parts span three main product lines, and identifying which one you have is the first step. The Aprilaire 5000-series electronic air cleaners use a flanged collar that bolts to the furnace cabinet and a flexible duct adapter on the return side. The Aprilaire 600-series humidifiers mount on the supply plenum and typically use a 6-inch bypass duct that runs back to the return drop. The Aprilaire whole-home dehumidifiers (E080, E100, E130) have dedicated 8-inch or 10-inch duct connections that must be sealed and insulated correctly or they sweat in Florida garages and attics.
If you’re not sure which model you have, look for the serial tag on the side of the unit. Aprilaire stamps the model number on a small aluminum plate, usually near the electrical knockout or drain port. The duct sealing hardware you need depends on that number, because collar sizes, gasket thicknesses, and sealant compatibility vary between series. OEM Aprilaire gaskets and collars are worth the money when you’re dealing with a dehumidifier that runs 10 months a year in Tampa. For bypass duct flex connectors, quality aftermarket brands like Hardcast and Nashua tape products hold up just as well and cost less. We carry both on our trucks and will show you the price difference before we order anything.
Styles & brands we work with
Signs Your Aprilaire Duct Sealing & Repair Is Failing
- Weak airflow in one or two rooms only. A disconnected or torn duct joint lets conditioned air escape into the attic or wall cavity before it ever reaches the register. The rest of the house feels fine, which is why this one gets ignored for months.
- A hissing or whistling sound near the air handler. As air pressure builds at a partially failed seal, it forces its way through whatever gap remains. You’ll hear it most when the blower first ramps up.
- Condensation on the outside of the duct or the Aprilaire unit itself. Hot, humid Tampa air meeting a cold duct surface is a direct sign of seal failure. We see this constantly on Aprilaire dehumidifier ducts in unconditioned garages, where the insulation jacket gets soaked and starts to sag.
- Musty or dusty smell that intensifies when the system runs. Leaks on the return side pull in attic air, fiberglass particles, and whatever else is floating around up there. That air bypasses the filter entirely, so the smell is in every room the system serves.
- Your Aprilaire system is running but your energy bill keeps climbing. Every leak forces the blower to work harder and the cooling coil to run longer. One joint separated by a half inch can reduce delivered airflow by 20 percent or more in a typical Tampa single-story home.
Replacement Cost & What’s Included
In Tampa, the total installed price for Aprilaire duct sealing and repair ranges from $185 to $520. The range depends on three things: how many connections need to be redone, whether the duct itself is damaged or just the seal, and how easy the access is. A single plenum collar reseal with mastic and new foil tape runs at the low end. Rebuilding a crushed or separated flex duct run with new insulation, new connectors, and a full rebalance runs at the top end.
Every quote from us is a written, flat price per job agreed to before we climb into the attic or open the access panel. That price includes the parts, the labor, the mastic and sealants, and a pressure test to confirm the leak is actually sealed. It also includes the 365-Day Done Right Promise. If a seal fails or a connection separates within a year of our repair, we come back and fix it at no charge. No per-vent pricing, no surprise line items, no bait number that doubles by the time the van backs out of your driveway.
| Repair Scope | Typical Tampa Installed Price |
|---|---|
| Single plenum collar reseal (mastic + tape) | $185 – $240 |
| Bypass duct reconnection and reseal (Aprilaire 600-series) | $220 – $290 |
| Dehumidifier duct replacement (E080/E100/E130, one run) | $300 – $420 |
| Full duct run rebuild with insulation | $420 – $520 |
See the difference
Before
After
Before
After
Before
AfterDIY or Call Us?
You can safely do two things on your own: check for visible separation at accessible duct joints and look for condensation staining on the insulation. If you see a joint that’s clearly pulled apart, you’ve found at least one problem. It’s what you do next that matters. Duct sealing done wrong with the wrong tape or mastic fails within months, and if you’re working in a tight Tampa attic in July, the bigger risk is you. Attics here hit 140 degrees in the summer, and one wrong step through a drywall ceiling costs far more than the repair we’d have quoted. The same goes for Aprilaire dehumidifier ducts with live electrical connections nearby, that’s not the place to learn.
If the piece in question is accessible and the seal looks cracked or separated, call us at (850) 738-9748 and we’ll tell you honestly whether it’s worth a service call or whether you can wait. That’s how we’d want someone to talk to us about our own house.
Key Takeaways
- Most Aprilaire duct sealing and repair work in Tampa costs between $185 and $520 installed.
- Signs of failure include weak airflow, hissing near the air handler, condensation, musty smells, and rising energy bills.
- We stock Aprilaire-compatible collars, gaskets, and sealants, plus quality aftermarket options from Hardcast and Nashua, on our trucks.
- Every repair includes a written price before work starts and is backed by the 365-Day Done Right Promise.
- We also keep parts on hand for Lennox, Trane, and Carrier systems.
FAQs
In Tampa, a properly done duct seal using mastic and foil-backed tape typically lasts 8 to 12 years before the material starts to crack from heat cycling and humidity exposure. Seals done with standard gray duct tape can fail within a single season, which is why we never use it. The 365-Day Done Right Promise on our work means if anything separates within the first year, we fix it free. Call (850) 738-9748 for a specific assessment on your system’s age and condition.
Yes, and in most cases resealing is the right move. We can repair the Aprilaire duct sealing if the duct itself is structurally sound and the separation is at a joint or collar. Replacement only becomes necessary when the flex duct has been crushed, the insulation jacket is soaked with condensation, or the inner liner has torn. We’ll show you photo evidence of what we’re recommending before we proceed.
Most Aprilaire duct sealing repairs in Tampa are done within two to three hours from arrival to final pressure test. Jobs that involve rebuilding a full duct run of 10 feet or more can take half a day. We’ll give you a time window when you book and call you when the technician is on the way.
Yes, most of what a Tampa home needs is already on the truck. We stock Aprilaire-compatible collars in 6-inch, 8-inch, and 10-inch sizes, mastic, foil-backed tape, flex duct, insulation, and gaskets for the 5000-series, 600-series, and E080/E100/E130 dehumidifiers. If your model requires a specialty part we don’t have on board, we can typically source it locally the same week and show you the written price before ordering.
Call Mortons Air Duct Tampa for Aprilaire Duct Sealing & Repair
If your Aprilaire system is leaking air, making noise, or pushing musty smells through your Tampa home, we’ll diagnose it, show you exactly what’s wrong, and hand you a written price before any work starts. Our technicians arrive in uniform with shoe covers and drop cloths so your floors stay clean from the moment we walk in, and every job ends with a photo of the clean-up before we leave. A live person answers the phone at (850) 738-9748 day or night. Call today for a free estimate, and Paul or one of our technicians will walk you through the whole fix before a single tool comes off the truck.
Written by Paul Adeyemi, Owner, Mortons Air Duct Tampa at Mortons Air Duct Tampa, serving Tampa and nearby areas.