Duct Sealing in Conway - Tested First, Written Price Second

Fast, Reliable Duct Sealing Across Conway

Duct sealing in Conway, FL typically costs between $800 and $2,400 for a whole-home system, with most residential jobs falling in the $1,200 – $1,800 range depending on accessibility and the extent of leakage found. We’re the Duct Sealing crew that serves Conway from our Miami office, dispatching teams that know the difference between a 1920s bungalow off Curry Ford Road and a new build near Lake Conway. Our technicians carry moisture-resistant mastic for the humid zones near the lake and abrasion-resistant sealants for the flex duct in east-side subdivisions still shaking off construction dust. Call (361) 326-5060 for a written estimate before any work starts.

Call (361) 326-5060

Conway’s housing split is real. We’ve sealed ducts in original galvanized steel systems near downtown that haven’t been touched since the Truman administration, and we’ve worked in 2023 builds where the flex duct was already pulling apart at the seams. That range of experience matters because the wrong sealing method on the wrong duct type fails fast. We don’t guess. We inspect first, price in writing, then seal by the book.

Why Hollis Air Duct Cleaning Is Conway’s Preferred Duct Sealing Company

We’ve been in business since 2004 as part of the Garrison Partners family, and our Conway customers come back because we show up inside the window, in uniform, with background-checked techs who explain what they’re doing before they do it. The Garrison Standard means written prices, written guarantees, and a 365-Day Done Right Promise on every job. If our seal fails within a year, we return and make it right at no charge, including a free second visit.

Our phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops, no callback queues. Conway homeowners between 35 and 65 who’ve been burned by no-shows and price jumps tell us that’s the first signal we’re different. The second is the written estimate they hold before any mastic gets opened.

We know the local roads: Edgewater Drive, Curry Ford Road, the stretch near Lake Conway where humidity sits heavy in crawl spaces. Dispatch and scheduling run from our Miami office, but crews serve Conway locally with equipment stocked for Florida’s subtropical conditions.

Duct Sealing Services in Conway

Duct Sealing Services in Conway address the leaks, gaps, and failed connections that let conditioned air escape into attics, crawl spaces, and wall cavities. In a humid subtropical climate where HVAC systems run nearly year-round, every cubic foot of cooled air that leaks out is money spent twice: once to create it, once to replace it. We use professional-grade equipment from Rotobrush and Nikro, combined with sealing materials rated for Florida’s temperature swings and moisture loads. A typical whole-home duct sealing job in Conway runs $1,200 – $1,800, with smaller partial-system repairs starting around $800 and extensive resealing of aging galvanized systems reaching $2,400.

Leak Detection and Blower Door Testing

We don’t seal what we can’t measure. Our techs pressurize your duct system and use calibrated fans to quantify leakage in CFM25, cubic feet per minute at 25 pascals of pressure. That number tells us whether you’re losing 10% of your air or 40%. In Conway’s older homes near Lake Conway, we regularly see leakage above 30% from original duct tape that’s turned to dust and steel seams that have worked loose over decades.

Mastic Application and Mechanical Sealing

Foil tape fails. We use water-based duct sealing mastic, brushed or sprayed onto joints and seams, that cures to a flexible, durable seal rated for 20+ years. Near Lake Conway, where humidity stays elevated, we specify mold-resistant formulations. In east-side new construction, we check flex duct connections for proper support and seal with high-temperature mastic that won’t degrade from the thermal cycling of heat-pump systems.

Duct Insulation in Conway

Duct Insulation in Conway prevents the second major energy loss: thermal transfer through duct walls in unconditioned spaces. In Florida’s climate, a 55-degree supply duct running through a 130-degree attic gains heat fast. Uninsulated or poorly insulated ducts force your HVAC to work harder, run longer, and wear out sooner. We install closed-cell foam and fiberglass duct wrap rated at R-6 to R-8, depending on code requirements and accessibility. Duct insulation in Conway typically adds $400 – $900 to a sealing job when done together, or $600 – $1,200 as a standalone service for accessible attic runs.

Attic Duct Insulation Upgrades

Conway’s 1920s bungalows and mid-century ranches often have bare metal ducts in vented attics that were never insulated to modern standards. We remove degraded old wrap, seal every joint first, then apply new insulation with vapor barriers facing the correct direction. In humid attics, improper vapor barrier placement traps moisture against the duct and accelerates corrosion.

Crawl Space and Encapsulated Applications

Homes near Lake Conway with elevated groundwater sometimes have ducts in damp crawl spaces. We specify closed-cell foam insulation that doesn’t absorb moisture and won’t support mold growth, paired with proper sealing to keep humid outside air from entering the system at all.

Trusted Brands We Service in Conway

We stock sealing and insulation materials from Guardsman and Abatement Technologies, brands that commercial crews specify for durability in demanding environments. For Conway homeowners, that means no waiting on special orders when our van arrives. Our Rotobrush rotary brush systems and Nikro negative-air machines handle the cleaning phase that must precede effective sealing, especially in homes where biological growth or construction debris has accumulated. We carry Honeywell and Aprilaire filtration products for the final protection layer. When a Conway customer calls, we arrive with the right materials for their specific duct type, not whatever was left on the shelf from the last job.

Common Duct Sealing Problems We See in Conway Homes

• Original duct tape turned to powder in pre-1970s galvanized systems. We see this constantly in Conway’s older neighborhoods near downtown, where decades of heat cycling have reduced tape adhesive to dust. The seams look sealed until we pressurize the system and watch the blower door numbers spike.
• Flex duct pulled loose at connections in east-side subdivisions. New construction crews sometimes secure flex duct with zip ties or inadequate supports. Within two years, the weight of the duct and vibration from air handlers pull connections apart, dumping conditioned air into attics.
• Biological growth masking as a “dirty duct” problem near Lake Conway. Elevated humidity in lake-adjacent homes creates conditions where mold and mildew colonize duct interiors. Sealing over this without source removal traps moisture and accelerates growth. We clean first, seal second, verify with post-treatment inspection.
• Shared dryer vent stacks in Conway’s denser apartment buildings. Lint accumulates in vertical stacks that serve multiple units, creating fire hazards and restricting airflow. Duct sealing alone won’t solve this; we identify shared systems and coordinate proper cleaning and, where needed, rerouting with property management.

Pricing for Duct Sealing in Conway, FL

We Also Serve Cities Near Conway

Our crews travel throughout Central Florida for duct sealing projects, including Duct Sealing in Conway and surrounding areas. We regularly serve Jacksonville, Miami, Tampa, and Orlando with the same written pricing, background-checked technicians, and 365-Day Done Right Promise that Conway customers expect. Each location operates independently under The Garrison Standard.

FAQs About Duct Sealing in Conway