Leaky ducts waste 20-30% of your cooling and heating. Flat-rate residential duct sealing, repair, and replacement in Garland. Static pressure diagnostic $85 (waived with repair). Licensed TACLA126718E, EPA 608 Universal certified, family-owned since 2018.
Real stories from recent Frosty's HVAC jobs in Garland, TX -- published straight from the field.
When our Garland customer on Place One Ln returned from a trip to find her indoor unit frozen and dripping as it thawed out, she called us in—and we found her 410A system running low on refrigerant. To keep her family cool within budget, she chose a refrigerant top-up with leak s...
When our tech arrived on Golden Oaks Dr in Garland, this family's home was pushing 85 degrees and just wouldn't cool. After checking every electrical component in the condenser, we found the real culprit: the refrigerant was nearly empty. Working within the family's budget, they ...
Ductwork in Garland 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 | $0 — never for members |
| 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 |
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.
Basic ($99/yr):10% off all services | Premium ($300/yr): 15% off + $500 repair credit + 2 free tune-ups/year
Join Frosty ClubLeaky 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 Garland diagnostic calls, and what each one typically costs to fix.
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.
Leaky returns pull unfiltered attic air straight into your supply stream. Sealing at $350 per repair stops the contamination at the source.
20-30% duct leakage means 20-30% more AC runtime. Sealing bad connections typically cuts summer bills 15-25%. 3-5 year payback.
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.
Usually undersized returns or crimped supply runs choking airflow. Manometer test during diagnostic measures exact loss. Fix varies by cause.
Leaky ducts pull pollen, dust, and insulation fibers into your breathing air. Duct sealing is one of the highest-impact IAQ improvements we make.
Garland has some of the oldest residential ductwork in our 60-city service area. Duck Creek, Club Hill, Oakridge, and Western Heights homes built in the 1950s–70s carry original gray flex duct and galvanized sheet-metal trunk lines that have been baking in 140–160°F attics for 50–70 years. The mastic tape on takeoffs failed decades ago, inner flex liners have delaminated from outer vapor barriers, and smoke-test leakage routinely reads 30–40% on first-visit Garland homes — meaning nearly a third of the conditioned air you're paying Oncor to cool or Atmos Energy to heat never reaches a supply register. Per Energy.gov, typical residential duct systems lose 20–30% of conditioned air to leaks and thermal loss; central Garland homes consistently measure at the high end of that range or above it. That's the single biggest reason your electricity bill climbs every summer despite keeping the same thermostat setpoint.
Lake Ray Hubbard proximity creates a secondary ductwork problem on Garland's east side. Homes within a half-mile of the water experience 5–10% higher ambient humidity, which means condensation forms on cold duct surfaces more readily — especially on the return side where unconditioned attic air gets pulled through gaps in deteriorated duct. That moisture accelerates mold growth inside the duct system (Aspergillus and Penicillium species per EPA indoor air guidance), corrodes sheet-metal fittings faster, and saturates duct insulation. If your east Garland home has a musty smell at the registers that cleaning doesn't resolve, the problem is almost certainly inside the duct — not the filter or the coil. Full duct replacement with R-8 insulated flex eliminates both the leakage and the mold substrate in one job.
Every Garland ductwork job closes with documented before-and-after static pressure readings at the air handler. Healthy residential total external static is under 0.5 inches water column; most central Garland homes I first visit measure 0.9–1.3 iwc, which is why blower motors die at year 10–12 instead of 18–20. Sealing: $350 ($297.50 Frosty Club). Run replacement: $700/run ($595 members). Plenum: $1,200–$1,500 ($1,020–$1,275 members). All replacement uses R-8 insulated flex strapped at 4-foot intervals per International Mechanical Code. I'm Omar Jacobo, TACLA126718E-licensed, EPA 608 Universal (#2396328), 143 Google reviews at 4.9 stars. Se Habla Español. Call (469) 254-0548.
Neighborhoods we serve in Garland: Firewheel, Duck Creek, Club Hill, Oakridge, Western Heights, Lake Ray Hubbard
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.
Texas HVAC Contractor License held by Mariafernanda Jacobo. Issued and regulated by the Texas Department of Licensing and Regulation.
Per the U.S. EPA, leaky ducts are a primary contributor to poor indoor air quality. We measure, document, and fix.
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.
Frosty's covers every residential HVAC need in Garland, TX — one phone line, one flat-rate pricing book, one licensed (TACLA126718E) family-owned team.
Same flat-rate ductworkpricing across every city we cover. If you're in a Garland-adjacent neighborhood, these pages have local details for your ZIP.
Deeper context on ductwork written by Omar Jacobo (EPA 608 #2396328).
Red flags for full replacement: visible tears or collapse in the attic, inner liner separated from outer vapor barrier, musty odor at registers (especially in east Garland near Lake Ray Hubbard), climbing Oncor bills, and rooms that won't cool regardless of thermostat setting. For 50–70 year old Duck Creek and Club Hill original duct, replacement ($700/run, $595 Frosty Club) is almost always the right answer. For newer Firewheel duct (1990s–2000s) with intact core but failed joints, sealing ($350 / $297.50) solves it.
Flat-rate: sealing $350 ($297.50 Frosty Club), run replacement $700 ($595 members), plenum replacement $1,200–$1,500 ($1,020–$1,275 members). Most central Garland ranch homes carry 8–14 supply runs plus returns — full replacement typically $5,500–$9,800 depending on run length and attic access. Quoted flat-rate upfront with before-and-after static pressure readings included.
In east Garland near Lake Ray Hubbard, higher humidity causes condensation on cold duct surfaces, which promotes mold growth (Aspergillus and Penicillium per EPA guidance) inside deteriorated duct insulation. The mold substrate is the duct material itself — no amount of filter changes or coil cleaning resolves it. Full duct replacement with R-8 insulated flex eliminates both the mold source and the leakage that allowed humid attic air into the system.
Rarely on 50–70 year old material. If the inner flex liner has delaminated from the outer vapor barrier — standard condition on 1960s–70s Duck Creek and Club Hill duct — sealing the joints is a band-aid on structural failure. We cut a small inspection opening and show you the material condition before recommending. If by chance the core is still intact and leaks are only at takeoffs and plenum, mastic-and-mesh sealing ($350) holds 15+ years.
Not as a standalone product. If duct needs insulation attention, the core material is almost certainly deteriorated enough at 50+ years to warrant full replacement. Wrapping torn, delaminated flex with additional insulation doesn't solve the 30–40% air leakage problem. We install R-8 insulated flex on every replacement, strapped at 4-foot intervals per International Mechanical Code. The insulation is built into the new material.
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 Firewheel and Duck Creek 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.
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 Firewheel and Duck Creek 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.
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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