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.
Before
After
Before
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Before
AfterFast, Reliable Duct Sealing Across Tavares
Duct sealing in Tavares typically runs $450 – $1,200 for a whole-home job depending on access and how much original duct needs attention. Most Tavares homes we seal are done in a single day, with the price written down before we touch anything. Call us at (361) 326-5060 for a free estimate.
We’ve worked in Tavares long enough to know the difference between a 1980s block home off Highway 441 and a century-old bungalow downtown near the Harris Chain of Lakes. That local knowledge matters because the duct problems we find in those two houses have almost nothing in common, and the sealing approach shouldn’t either. Our crews serve Tavares from our South Florida dispatch office, with scheduling coordinated locally and technicians who know Lake County’s housing stock and permit requirements.
Why Hollis Air Duct Cleaning Is Tavares’s Preferred Duct Sealing Company
Hollis Air Duct Cleaning has been part of the Garrison Partners family since 2004, and our Duct Sealing in Tavares work follows The Garrison Standard on every job: arrive inside the quoted window, price in writing before any work starts, complete the job by the book, and leave the site clean. That standard was built for homeowners who’ve already dealt with no-shows and prices that jumped at the door.
Our technicians are background-checked and uniformed. 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, no waiting until Monday for someone to pick up.
Every duct sealing job we do in Tavares comes with our 365-Day Done Right Promise in writing. 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 satisfaction guarantee. It’s a specific, written commitment that competitors in this trade rarely match on paper.
Duct Sealing Services in Tavares
Duct Sealing Services in Tavares address a problem most homeowners don’t know they have until we show them. In an average Tavares home with ductwork in the attic, 20 – 30% of conditioned air leaks out through gaps, disconnected joints, and pinholes before it ever reaches the rooms below. That means you’re paying to cool 140°F+ attic air that nobody lives in. Our sealing process starts with a full inspection, often using camera equipment to trace runs that are buried under insulation or tucked behind finished ceilings. We seal joints and seams with mastic compound rated for Florida humidity, then pressure-test the system to verify the fix.
A typical whole-home duct sealing job in Tavares runs $450 – $1,200. Smaller partial repairs on accessible trunk lines start around $250 – $400. The price depends on how much duct we can reach, what material we’re working with (galvanized, flex, or duct board), and whether we need to pull back insulation to get to the problem areas.
Leak Detection and Pressure Testing
We pressurize your duct system and measure airflow loss at the air handler. In Tavares, we regularly see homes losing 300 – 500 CFM through gaps that are invisible from the outside. The test gives us a baseline and proves the improvement after sealing.
Mastic Sealing of Joints and Transitions
Foil tape fails in Tavares humidity. We use water-based duct mastic that stays flexible and maintains its seal through wet summers and mild winters. Every joint, saddle, and trunk-line transition gets coated and cured before we close up.
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.
Duct Insulation in Tavares
Duct Insulation in Tavares is often the missing piece after sealing is done. Sealing stops air from leaking out, but insulation stops thermal loss through the duct walls themselves. In a Tavares attic hitting 140°F in July, uninsulated or poorly insulated ductwork can raise supply air temperature by 10 – 15 degrees before it reaches your bedroom. That forces your air handler to run longer, short-cycles the compressor, and wears equipment out faster.
Whole-home duct insulation in Tavares typically costs $800 – $2,000 depending on linear footage and whether we’re wrapping existing duct or replacing degraded insulation that’s already falling off. Many Tavares homes built between 1960 and 1990 have original fiberglass wrap that’s compressed, mold-stained, or missing entirely in sections.
R-8 Insulation Wrap for Attic Runs
We use R-8 fiberglass insulation with a reinforced vapor barrier, secured with mechanical fasteners rather than tape that will peel. In Tavares’s humid climate, the vapor barrier faces outward to prevent condensation from forming on the cold duct surface.
Replacement of Water-Damaged Insulation
Lakefront homes in Tavares often show insulation that’s been wet repeatedly from roof leaks or condensate overflow. We remove saturated material, treat the duct for mold, seal any new leaks we find, and reinstall dry insulation that actually performs.
Trusted Brands We Service in Tavares
Our equipment roster includes Rotobrush rotary brush systems for mechanical agitation inside ductwork, Nikro negative-air machines that maintain HEPA-filtered containment during cleaning and sealing prep, and filtration and sealing products from Abatement Technologies and Guardsman. We stock mastic compounds, mechanical fasteners, and insulation materials sized for the duct types we encounter in Tavares, from early galvanized to modern flex. That means faster turnaround and fewer return trips for parts that should have been on the van.
Common Duct Sealing Problems We See in Tavares Homes
- Original galvanized duct in downtown Tavares bungalows has decades of seam separation and pinhole leaks. These metal ducts were built to last, but the seams weren’t. We regularly find 20 – 30% of conditioned air leaking into attics that already hit 140°F+ in summer, which is why those old houses never cool evenly.
- Lake-adjacent humidity keeps mastic and foil-tape joints soft and peeling. Sealing done with the wrong compound fails within a season because the substrate never fully dries. Tavares’s dew points stay high even at night, so we use humidity-rated mastic and allow proper cure time.
- Long multi-zone flex runs in newer lakefront builds collect condensation that sags and separates the inner liner. Homeowners see reduced airflow in back rooms and assume the AC is undersized. What’s actually happening is a hidden blockage that masking-tape “sealing” just covers up until it blows apart.
- Fine gray lake-bottom dust and dried aquatic vegetation work into every seam and joint after summer storms. Because Tavares sits against the Harris Chain of Lakes, return ducts pull in abrasive, damp grit that inland Lake County cities like Leesburg and Clermont never see. That debris accelerates sealing failures in lake-adjacent Tavares homes faster than almost anywhere else in the county.
Pricing for Duct Sealing in Tavares, FL
We’re upfront about numbers because we’ve heard too many stories about quotes that doubled once the van was in the driveway.
| Service | Typical Range in Tavares |
|---|---|
| Partial duct sealing (accessible trunk line, 1 – 2 leaks) | $250 – $400 |
| Whole-home duct sealing, single-story | $450 – $850 |
| Whole-home duct sealing, two-story or complex layout | $700 – $1,200 |
| Duct insulation wrap (R-8, whole home) | $800 – $2,000 |
| Sealing + insulation combined | $1,100 – $2,800 |
What moves the price: how much duct is accessible versus buried, whether we need to pull back existing insulation, the condition of the original material (galvanized repair versus flex replacement), and whether we find disconnected runs that need reconnection, not just sealing. We write the price down before any work starts. It does not move at the door. Call (361) 326-5060 for a free estimate.
We Also Serve Cities Near Tavares
Our crews regularly work in Tavares and the surrounding Lake County area, including Mount Dora, Eustis, Leesburg, and Fruitland Park. Each home gets the same written price, the same 365-Day Done Right Promise, and the same background-checked, uniformed technician standard.
Serving Tavares, FL - Our Local Coverage Area
We’re based in the Tavares 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 Tavares
Your Tavares home likely sits closer to the Harris Chain of Lakes, which means your return ducts pull in fine gray lake-bottom dust and dried aquatic vegetation after summer storms. That abrasive, damp grit works into seams and joints and accelerates sealing failures faster than the drier, more inland conditions your Clermont neighbor deals with. Call (361) 326-5060 and we’ll inspect your system and give you a written quote for sealing.
We use camera inspection equipment and pressurized smoke testing to trace runs that are buried under insulation or hidden behind finished surfaces. In a recent job off West Main Street near downtown Tavares, we found three crushed, disconnected galvanized runs feeding front bedrooms in a 1920s bungalow that the homeowner had no idea were severed. After source removal at negative pressure with HEPA filtration, we sealed the joints and insulated the trunk line. Call (361) 326-5060 to schedule an inspection.
Sealing stops the moisture intrusion that feeds mold, but if you already have biological growth inside the duct, sealing alone won’t remove it. We typically recommend source removal cleaning first, then sealing the leaks that let humid outside air condense inside the system. In Tavares’s subtropical climate, that combination is what actually solves the problem long-term. Call (361) 326-5060 for an assessment.
Not necessarily damaged, but almost certainly leaking. That gray dust is lake-bottom sediment and dried aquatic vegetation pulled in through gaps in your return ductwork. It’s a sign that your system is drawing unfiltered outside air instead of recirculating conditioned indoor air. Sealing the leaks stops the dust intrusion and takes load off your filter. Call (361) 326-5060 and we’ll show you exactly where it’s getting in.
Seal first, insulate second. Sealing stops air loss, which is usually the bigger efficiency hit. Insulation then protects the sealed duct from thermal gain in your hot attic. In most Tavares homes, we can do both in the same visit, but the sealing is the priority if you’re choosing one. Call (361) 326-5060 for a free estimate on either or both.
Ready to stop cooling your attic and start cooling your home? Call Hollis Air Duct Cleaning at (361) 326-5060 for a free, written estimate on duct sealing in Tavares. We’ll show up in the window we promised, price the job before we start, and stand behind our work for a full year.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Tavares and Lake County under The Garrison Standard.