Ductwork Services in Carrollton, TX
Leaky ducts waste 20-30% of your cooling and heating. Flat-rate residential duct sealing, repair, and replacement in Carrollton. Static pressure diagnostic $85 (waived with repair). Licensed TACLA126718E, EPA 608 Universal certified, family-owned since 2018.
How Much Does Ductwork Cost in Carrollton?
Ductwork in Carrollton 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 Carrollton?
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 Carrollton 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 Carrollton Homeowners Trust Frosty's for Ductwork?
I'm Omar Jacobo, owner of Frosty's HVAC, and Carrollton ductwork problems are some of the most predictable in DFW — they look almost identical to what we see in our hometown of Farmers Branch right next door because both cities share the same 1970s-90s housing era and we share the Carrollton-Farmers Branch ISD. In Josey Ranch (4,000+ homes), Indian Creek, Country Place, and Old Downtown Carrollton (75006/75007 ZIPs), nearly every home still has the original gray flex duct with mastic-taped joints, and that tape failed years ago in the 140-160 degree attic heat. I routinely measure 25-35% air leakage on smoke tests in those homes — meaning a third of the conditioned air your system produces dumps straight into the attic before reaching a register. Per Energy.gov residential efficiency guidelines, sealing ductwork is one of the highest-ROI home improvements available. Duct sealing runs $350 flat ($297.50 for Frosty Club members); full duct replacement is $700 per run ($595 member).
Castle Hills and the newer builds in the 75010 ZIP are 2000s-era 2-story production homes, and the duct problems there are different but equally common: supply runs that are too long and too narrow for the upstairs floor, undersized returns on the second floor, and zoning systems installed by whoever the production builder used at the time. That is why the upstairs in those Castle Hills homes is always 8-10 degrees hotter than downstairs in summer and the reverse in winter. It is an airflow problem, not a thermostat problem and not a refrigerant problem. We size duct runs using Manual D per ACCA standards and often add a supply or upsize a return on the upstairs zone to balance the system properly. Plenum replacement where needed runs $1,200-$1,500.
Every ductwork job in Carrollton includes a before-and-after static pressure reading — we measure what your blower is fighting before we start and prove the improvement when we finish. Target on a healthy residential system is under 0.5 inches of water column (per ACCA Manual D standards); most Carrollton homes we first visit run 0.8-1.2 inches, which means the blower is drawing more amps and burning out years early. We do not offer duct insulation as a standalone product — if ducts are deteriorated enough to need that conversation, they need full replacement, not a band-aid. EPA 608 Universal #2396328, TACLA126718E (verify at TDLR.texas.gov). Since January 1, 2018, 99 Google reviews at 4.9 stars. Se Habla Espanol. Call (469) 254-0548.
Neighborhoods we serve in Carrollton: Josey Ranch, Castle Hills, Indian Creek, Country Place, Rosemeade, Old Downtown Carrollton
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 Carrollton
Frosty's covers every residential HVAC need in Carrollton, TX — one phone line, one flat-rate pricing book, one licensed (TACLA126718E) family-owned team.
- AC Repair in Carrollton/ac-repair-carrollton-tx
- AC Replacement in Carrollton/ac-replacement-carrollton-tx
- Heating Repair in Carrollton/heating-repair-carrollton-tx
- Heating Replacement in Carrollton/heating-replacement-carrollton-tx
- Emergency HVAC in Carrollton/emergency-hvac-carrollton-tx
- Tune-Up in Carrollton/tune-up-maintenance-carrollton-tx
Nearby Cities We Also Serve
Same flat-rate ductworkpricing across every city we cover. If you're in a Carrollton-adjacent neighborhood, these pages have local details for your ZIP.
From Our Blog
Deeper context on ductwork written by Omar Jacobo (EPA 608 #2396328).
- Ductwork Problems? How Bad Ducts Cost You MoneyLeaky, damaged ductwork wastes 20-30% of your cooled air. Learn the signs, repair costs, and when to replace. DFW homes. Call (469) 254-0548…Read article →
- Flower Mound HVAC: Why Your Upstairs Won't Cool DownFlower Mound homeowners: why your upstairs is hot, what it costs to fix, and when to replace. Larger homes need special attention. Call (469…Read article →
- 5 Signs Your Furnace Needs Repair (Before Winter Hits)5 warning signs your furnace needs repair — with exact DFW repair costs. Never repair a cracked heat exchanger. Call (469) 254-0548.Read article →
What Do Carrollton Homeowners Ask About Ductwork?
How Do I Know if My Ducts Need Replacing in Carrollton?
Signs: rooms that never cool or heat evenly, climbing summer or winter Oncor bills, visible dust at supply registers, musty smells when the system runs, or ducts visibly detached/torn in the attic. For 1970s-90s Josey Ranch and Indian Creek homes with original gray flex duct, full replacement ($700/run, $595 member) is usually the right call. For newer Castle Hills homes, duct sealing ($350, $297.50 member) often solves the airflow issue.
How Much Does Duct Replacement Cost in Carrollton?
Duct sealing $350 flat ($297.50 for members), duct replacement $700 per run ($595 for members), plenum replacement $1,200-$1,500. Most Carrollton ranch homes have 8-12 supply runs plus returns, so a full replacement typically lands at $5,000-$9,000. We quote flat-rate before starting and include static pressure readings before and after.
Can You Seal My Existing Carrollton Ductwork Instead of Replacing It?
Sometimes — depends on condition. If the duct material is intact but joints are leaking, sealing ($350) works well. If the flex duct itself is torn, crushed, or the inner liner has separated from the outer vapor barrier — common on 30+ year old Josey Ranch and Country Place ducts — sealing will not fix it. We inspect first and give you the honest answer: seal-worthy, replacement-required, or borderline.
Why Is My Castle Hills Upstairs Always Hotter Than Downstairs?
In 2-story Castle Hills homes, the most common cause is undersized upstairs supply ductwork — the runs are too narrow and too long to deliver the CFM the upstairs zone needs. A Manual D duct sizing calculation identifies it, and the fix is usually adding a supply run or upsizing the return. Per Energy.gov guidance, proper duct sizing can reduce energy waste by 20-30%. No amount of zoning fixes an airflow problem.
Do You Insulate Ductwork in Carrollton?
We do not offer standalone duct insulation as a product. If ducts are deteriorated enough that insulation is the conversation, they need full replacement — we do not band-aid. Modern R-8 insulated flex or R-6 insulated metal built to manufacturer spec is what we install on every replacement job. That performs correctly in Carrollton attics hitting 140-160 degrees in summer.
Will New Ductwork Help My Older R-22 System in Josey Ranch and Castle Hills?
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 Josey Ranch and Castle Hills 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 Josey Ranch and Castle Hills?
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 Josey Ranch and Castle Hills 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 Carrollton?
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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