Frosty's HVAC
4.9 stars · 94 Google reviews

Ductwork Services in Addison, TX

Leaky ducts waste 20-30% of your cooling and heating. Flat-rate residential duct sealing, repair, and replacement in Addison. 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 Addison?

Ductwork in Addisonstarts 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

Join Frosty Club

What Are the Most Common Ductwork Problems in Addison?

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 Addison 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 AddisonHomeowners Trust Frosty's for Ductwork

Addison ductwork problems track the age of the neighborhood — just like the AC repair mix. Along Belt Line Road and the 1970s-80s ranch streets off Midway, most of the original ductwork is gray flex duct with taped joints that failed a decade ago in the 140-160°F attic heat. Smoke-test readings in those homes usually land at 25-35% air leakage, which means a third of the air you paid Oncor to cool is leaking straight into the attic before it reaches a single register. Duct sealing ($350) or duct replacement ($700 per run) fixes it, and the utility bill drop is immediate and measurable.

Addison Circle and Vitruvian Park townhomes and stacked condos have a different — and frankly more annoying — problem: shared ductwork runs between units, interior closet air handlers, and supply trunks that snake through shared walls. When an upstairs unit's evaporator drips into a downstairs ceiling, it's often because the condensate line shares a wall cavity with a supply duct. Balancing airflow across the stacked levels requires Manual D sizing (the ACCA standard) and sometimes an in-line booster. Zoning dampers alone won't fix an undersized duct, and that's the mistake I see most often in these buildings.

Every ductwork job in Addison 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 finish. Target on a healthy residential system is under 0.5 inches of water column; most Addison homes we first visit run 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 Addison: Addison Circle, Vitruvian Park, Beltway Addison, Midway Road corridor, Belt Line 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 Addison, TX

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

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 Belt Line and Midway-area homes with original flex duct, full replacement ($700/run) is usually the right call. For newer Addison Circle and Vitruvian Park townhomes, duct sealing ($350) often solves the airflow issue.

How much does duct replacement cost in Addison?

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

My Addison Circle townhome has hot and cold rooms — is it the ducts?

Usually yes. In Addison Circle and Vitruvian Park townhomes, the most common cause is undersized upstairs supply ductwork — the runs are too narrow and too long to deliver the CFM the upper level needs. A Manual D duct sizing calculation identifies it, and the fix is often adding a supply run or upsizing a return. Zoning alone won't fix an airflow problem.

Can you seal my existing ductwork in Addison 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.

Do you insulate ductwork in Addison?

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 Addison 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

// Ready When You Are

Ready For Reliable HVAC Service?

Request service online, call for same-day help, or see your replacement price.

Call NowBookText Us