Ductwork Services in Flower Mound, TX
Leaky ducts waste 20-30% of your cooling and heating. Flat-rate residential duct sealing, repair, and replacement in Flower Mound. Static pressure diagnostic $85 (waived with repair). Licensed TACLA126718E, EPA 608 Universal certified, family-owned since 2018.
How Much Does Ductwork Cost in Flower Mound?
Ductwork in Flower Mound starts at $85 for a static pressure diagnostic (waived with any repair). Most homes need 2-5 targeted repairs, not a full duct redesign. We're flat-rate, which means the price quoted before we start is the price you pay at the end. Frosty Club members save 10-15% on every job.
| Service | Regular Price | Frosty Club Member |
|---|---|---|
| Diagnostic / static pressure test(Waived with repair) | $85 | $72.25 |
| Duct sealing (per repair) | $350 | $297.50 |
| Full duct replacement (per run) | $700 | $595 |
| Plenum replacement | $1,200 – $1,500 | $1,020 – $1,275 |
| Basic tune-up (related upsell) | $150 | $127.50 |
Leaky Ducts Are an Indoor Air Quality Problem
Per the EPA, indoor air is 2-5x more polluted than outdoor air — and leaky ducts are one of the main causes. Every crack, loose connection, and failed tape seal pulls unfiltered attic air (dust, pollen, insulation fibers, rodent droppings) directly into your supply stream. Sealing and replacing bad runs is one of the highest-impact IAQ improvements we make.
Save More with Frosty Club
Basic ($99/yr):10% off all services | Premium ($300/yr): 15% off + $500 repair credit + 2 free tune-ups/year
Join Frosty ClubWhat Are the Most Common Ductwork Problems in Flower Mound?
Leaky and undersized ducts are the single most-missed cause of comfort problems I see in DFW homes. Here's what we find most often on Flower Mound diagnostic calls, and what each one typically costs to fix.
Uneven temperatures room-to-room
Classic sign of leaky supply runs or a failing zone damper. $85 diagnostic pinpoints the exact run. Fix is usually 1-3 duct repairs at $350 each.
Dusty rooms (no matter how often you clean)
Leaky returns pull unfiltered attic air straight into your supply stream. Sealing at $350 per repair stops the contamination at the source.
Climbing energy bills every summer
20-30% duct leakage means 20-30% more AC runtime. Sealing bad connections typically cuts summer bills 15-25%. 3-5 year payback.
Musty smell when the system turns on
Condensation inside flex liner leads to mold growth. You can't clean mold out of fiberglass — the only fix is replacement at $700 per run.
Rooms that never cool or heat enough
Usually undersized returns or crimped supply runs choking airflow. Manometer test during diagnostic measures exact loss. Fix varies by cause.
Allergy or asthma symptoms worse indoors
Leaky ducts pull pollen, dust, and insulation fibers into your breathing air. Duct sealing is one of the highest-impact IAQ improvements we make.
Why Do Flower Mound Homeowners Trust Frosty's for Ductwork?
Ductwork in Flower Mound is a volume problem. Wellington's 2,500-4,500+ sqft two-story homes have 18-24 supply runs feeding two floors plus bonus rooms, media rooms, and game rooms that builders added at the end of the construction cycle with undersized flex branches. Bridlewood's golf-course homes are the same story — 1996-2004 construction with original grey flex duct that's now 20-28 years old, baking in a 140-160°F attic every summer. At 22% leakage on a 5-ton system pushing 2,000 CFM, you're losing 440 CFM into the attic — and on a home this size, that translates to $100-$150 per month of wasted Oncor electricity in summer.
The two-story dual-system configuration in Wellington and Bridlewood creates a ductwork failure pattern I see constantly: the upstairs system's ductwork fails first because it sits in the hottest part of the attic (directly under the roof deck), while the downstairs system's ducts — running through a conditioned chase or lower attic space — survive longer. Homeowners notice the upstairs getting hotter every summer and blame the equipment, but when we measure static pressure the ducts are reading 0.8-1.0 inches of water column (healthy is under 0.5). Collapsed flex, disconnected boots, and duct-tape joints that failed a decade ago are starving the upstairs system of airflow.
Every ductwork job in Flower Mound includes before-and-after static pressure readings and a smoke test on the return side. Duct sealing is $350 flat ($297.50 for Frosty Club members), targeted flex run replacement is $700 per run ($595 members), plenum replacement $1,200-$1,500. Full duct replacement on a 3,500-4,500 sqft Flower Mound home with 18-24 runs typically lands at $12,000-$17,000 depending on attic accessibility and the number of floors. I don't sell standalone duct insulation — if the liner is deteriorated enough to need attention, the whole run needs replacing.
Neighborhoods we serve in Flower Mound: Wellington, Bridlewood, Canyon Falls, Lakewood Village, Tour 18
Why Should I Trust Frosty's Credentials for Ductwork?
Because every credential is independently verifiable and directly tied to the work — Texas HVAC Contractor License TACLA126718E covers duct modification and airflow, EPA Indoor Air Quality guidance drives our sealing and replacement decisions, and U.S. DOE research documents the 20-30% energy savings that back our flat-rate pricing.
TACLA126718E
Texas HVAC Contractor License held by Mariafernanda Jacobo. Issued and regulated by the Texas Department of Licensing and Regulation.
EPA Indoor Air Quality
Per the U.S. EPA, leaky ducts are a primary contributor to poor indoor air quality. We measure, document, and fix.
DOE Energy Savings
The U.S. Department of Energy says duct losses can account for 20-30% of HVAC energy use. Sealing pays back fast.
Learn more about our credentials on our About page or visit omar-jacobo.com.
Related Services in Flower Mound
Frosty's covers every residential HVAC need in Flower Mound, TX — one phone line, one flat-rate pricing book, one licensed (TACLA126718E) family-owned team.
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Nearby Cities We Also Serve
Same flat-rate ductworkpricing across every city we cover. If you're in a Flower Mound-adjacent neighborhood, these pages have local details for your ZIP.
From Our Blog
Deeper context on ductwork written by Omar Jacobo (EPA 608 #2396328).
- What Is a SEER2 Rating? (And Why It Matters for Your Wallet)SEER2 ratings explained in plain English — how they affect your energy bills and what to look for when buying a new AC. Call (469) 254-0548.Read article →
- Coppell AC Maintenance: Protecting Your Two-Story HomeTwo-story Coppell home not cooling upstairs? AC maintenance tips for 2-story homes with exact costs. TACLA126718E. Call (469) 254-0548.Read article →
- How Long Does an AC System Last in Texas?How long should your AC last in Texas? 12-15 years with maintenance, less without. Learn the signs it's time to replace. Call (469) 254-0548…Read article →
What Do Flower Mound Homeowners Ask About Ductwork?
How do I know if my Flower Mound ducts need replacing?
Signs: upstairs rooms that get progressively hotter each summer (common on Wellington and Bridlewood two-story homes), Oncor summer bills disproportionate to home size, visible dust at supply registers, musty smell when the system kicks on, or ductwork visibly collapsed or disconnected in the attic. On 20-28 year old homes in Wellington and Bridlewood, replacement is more common than sealing because the flex liner has deteriorated past repair.
How much does ductwork cost in Flower Mound?
Duct sealing $350 flat ($297.50 for Frosty Club members), duct replacement $700 per run ($595 for members), plenum replacement $1,200-$1,500. Flower Mound homes typically have 18-24 supply runs plus returns across two floors, so a full replacement lands at $12,000-$17,000. We quote flat-rate before starting and include before-and-after static pressure readings to verify improvement.
Why is my Flower Mound upstairs always hotter than downstairs?
On dual-system Wellington, Bridlewood, and Tour 18 homes, the upstairs ductwork sits in the hottest part of the attic (directly under the roof deck at 140-160°F in summer) and deteriorates faster than the downstairs ducts. Collapsed flex, disconnected boots, and failed duct-tape joints starve the upstairs system of airflow. We measure static pressure during the $85 diagnostic — if it's above 0.5 inches water column, the ducts are restricting the system.
Can you seal my existing Flower Mound ductwork instead of replacing it?
Depends on condition. Newer Canyon Falls (2015+) flex with intact material and leaky joints seals well at $350. On 20-28 year old Wellington and Bridlewood ductwork where the inner liner is brittle, delaminated, or shows biofilm growth from decades of Denton County humidity — sealing won't hold. We inspect first and give you an honest answer. If the liner crumbles when you touch it, that's a replacement.
Do you replace ductwork on both floors of my Flower Mound home?
Yes, and we often recommend phasing: replace the failed upstairs ducts now (where attic heat causes the most damage), then schedule the downstairs when budget allows or when those ducts reach end-of-life. On Wellington and Bridlewood homes where both systems are original 1995-2004 ductwork, replacing everything at once saves a second mobilization and ensures consistent static pressure across both zones.
Will New Ductwork Help My Older R-22 System in Wellington and Bridlewood?
Yes — EPA 608 Universal cert #2396328 lets me legally recover, recycle, and recharge R-22 under federal regulations. R-22 production ended in 2020 under the Clean Air Act phase-out (EPA.gov), so it now runs $200 per pound installed. A typical Wellington and Bridlewood R-22 leak repair totals $650-$1,000: electronic leak detection ($250) or nitrogen leak test ($500) plus recharge at $200/lb. Optional leak seal $350 — but it can void manufacturer warranties, so I only recommend it in specific cases. For systems past 12 years with major leaks, planning the transition to R-454B or R-32 is usually the better economics. Read our R-410A phase-out explainer for DFW homeowners.
Should I Update Ductwork Before Replacing My R-410A System in Wellington and Bridlewood?
Yes — ductwork outlives 2-3 system replacements. R-410A new-equipment production ended Jan 2025 under the AIM Act (Energy.gov), so your next replacement will use R-454B or R-32. Sizing the Wellington and Bridlewood ductwork correctly now sets up the new system regardless of refrigerant. EPA 608 Universal cert #2396328 covers all refrigerant work. Read our R-410A phase-out explainer for DFW homeowners.
How Do I Fix Leaky Ductwork in Flower Mound?
Call (469) 254-0548 or request service online to book an $85 static pressure diagnostic (waived with any repair). We schedule duct diagnostics within 1-3 days and bring a manometer, bore-scope, and written report to every call. Flat-rate pricing — no surprises, no hourly charges.
Written by Omar Jacobo, EPA 608 Universal Certified Lead Technician at Frosty's HVAC LLC. Licensed TACLA126718E.
Written by
By Omar Jacobo
Texas Licensed HVAC Contractor #TACLA126718E · EPA #2396328
Co-Owner of Frosty's HVAC LLC, serving DFW since 2018. Learn more
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