Frosty's HVAC
4.9 stars · 94 Google reviews

Ductwork Services in Plano, TX

Leaky ducts waste 20-30% of your cooling and heating. Flat-rate residential duct sealing, repair, and replacement in Plano. Static pressure diagnostic $85 (waived with repair). Licensed TACLA126718E, EPA 608 Universal certified, family-owned since 2018.

Licensed TACLA126718E
EPA 608 Universal Certified
Family-Owned Since 2018
94 Reviews · 4.9 Stars

How Much Does Ductwork Cost in Plano?

Ductwork in Planostarts 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.

ServiceRegular PriceFrosty 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

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What Are the Most Common Ductwork Problems in Plano?

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 Plano 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 PlanoHomeowners Trust Frosty's for Ductwork

Plano ductwork problems track the age of the neighborhood. In East Plano — 1970s-80s homes off Parker Road — most of the original ductwork is gray flex duct with taped joints, and the tape failed a decade ago in the 140-160°F attic heat. I routinely pull smoke-test readings of 25-35% air leakage in those homes, which means a third of the air your system is heating or cooling is dumping straight into the attic before it ever reaches a register. Duct sealing ($350) or duct replacement ($700 per run) fixes it, and the Oncor bill drop is immediate.

West Plano and Legacy two-story homes have a different problem: duct runs that are too long, too narrow, and undersized for the upstairs supply. That's why the upstairs is always 10°F hotter than the downstairs in summer and 10°F colder in winter — not a thermostat issue, not a refrigerant issue, an airflow issue. We size duct runs using Manual D (the ACCA standard) and often have to add a supply or upsize a return on the upstairs zone to balance the system. No amount of zoning dampers will fix a fundamentally undersized duct.

Every ductwork job in Plano includes a before-and-after static pressure reading — we measure what your blower is fighting against before we start and prove the improvement after we're done. Target on a healthy residential system is under 0.5 inches of water column; most Plano homes we first visit are running 0.8-1.2 (way too high, which means the blower is working harder and failing sooner). We don't offer duct insulation as a standalone product — if ducts are that deteriorated, they need full replacement, not a band-aid.

Neighborhoods we serve in Plano: West Plano, Legacy, Willow Bend, Parker Road

Why Our Credentials Matter for Ductwork

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.

Ductwork FAQ for Plano, TX

How do I know if my ducts need replacing in Plano?

Signs: rooms that never cool or heat evenly, high summer or winter bills, visible dust at supply registers, musty smells when the system runs, or ducts visibly detached/torn in the attic. For 1970s-80s East Plano homes with original flex duct, full replacement ($700/run) is usually the right call. For newer West Plano homes, duct sealing ($350) often solves the airflow issue.

How much does duct replacement cost in Plano?

Duct sealing $350 flat ($297.50 for members), duct replacement $700 per run ($595 for members), plenum replacement $1,200-$1,500. Most Plano homes have 8-14 supply runs plus returns, so a full replacement typically lands at $5,000-$10,000. We quote flat-rate before starting and include static pressure readings before and after.

Can you seal my existing ductwork in Plano instead of replacing it?

Sometimes — depends on the 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, sealing won't fix it. We inspect first and give you the honest answer: seal-worthy, replacement-required, or borderline.

Why is my upstairs always hotter than my downstairs in my West Plano home?

In 2-story West Plano and Legacy 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. No amount of zoning will fix an airflow problem.

Do you insulate ductwork in Plano?

We don't offer standalone duct insulation as a product. If ducts are deteriorated enough to need insulation attention, they need full replacement — we don't band-aid. Modern R-8 insulated flex or R-6 insulated metal is built to manufacturer spec and is what we install on every replacement job.

Ready to Fix Your Plano Ductwork?

Call or request service online. 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.

OJ

Written by

Omar Jacobo

EPA 608 Certified Technician (#2396328) | Co-Owner, Frosty's HVAC LLC

Omar has been serving local homeowners since 2018. Learn more

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