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Air Duct System Design, Replacement, Sealing, & Repair One Call Solves It All.

Austin Duct Repair & Replacement

Professional Air Duct Repair Austin Counts on for Lasting Attic Comfort

We provide duct repair in Austin for homeowners dealing with uneven temperatures, weak airflow, poor temperature control, or heating and cooling equipment that runs longer than expected. Leaking, disconnected, damaged, or poorly insulated ductwork can allow conditioned air to escape before it reaches the rooms that need it.

Our technicians evaluate the condition of the duct system and recommend work based on what they find. That may include repairing a damaged section, reconnecting separated ductwork, repairing damaged duct insulation, or providing duct sealing when seams or connections leak. Our work is backed by a 100% satisfaction guarantee.

If you suspect a duct problem in your home, call (512) 488-1120 to schedule an evaluation and discuss a repair estimate.

Duct Repair in Austin: Signs Your Ductwork May Need Attention

Ductwork problems don’t always look the same as an equipment failure. Your heating or cooling system may still turn on and operate, while supply ducts, return ducts, or attic ductwork limit how effectively conditioned air moves through the home.

Common signs of duct problems include:

  • Hot and Cold Spots: Some rooms receive less conditioned air than others.
  • Weak Airflow: Air coming from one or more vents feels noticeably reduced.
  • Poor Temperature Control: The system has difficulty maintaining the thermostat setting.
  • Rising Heating and Cooling Costs: Lost air or restricted airflow can make the HVAC system run longer than expected.

Common duct repair issues include:

  • Visible tears or holes
  • Separated connections
  • Crushed or sagging flex duct
  • Damaged insulation
  • Leaking seams
  • Airflow restrictions

In some homes, air escapes into an attic, crawlspace, wall cavity, or another unconditioned area instead of reaching the living space.

How We Evaluate Ductwork Problems

A duct repair evaluation starts with the symptoms you have noticed and an inspection of accessible ductwork. We may look at supply and return duct connections, the condition of the insulation, visible damage, airflow concerns, and how the duct system relates to the heating and cooling equipment.

Not every duct issue requires the same solution. A loose connection may need to be reconnected, leaking seams may call for duct sealing, and a damaged run may need repair or replacement. We explain the observed issue and proposed scope before you decide how to proceed.

We provide straightforward estimates for duct repairs. Free estimates are available on select services, and we also offer free second opinions for homeowners who want another perspective on a recommended repair or replacement.

HVAC Service for Ductwork & Home Comfort

We have served the Austin area since 1972, providing HVAC, plumbing, and electrical services for single-family homes, multi-family homes, and property-managed residences. We consider duct concerns alongside HVAC system performance rather than treating the ductwork as an isolated component.

We also provide 24/7 emergency home system service when urgent issues arise.

Call (512) 488-1120 to schedule duct repair service, request an estimate, or ask for a second opinion.

3 SYMPTOMS YOU COULD NEED DUCT REPAIR

Initially, you might not see that something’s the matter with your ductwork. Issues can go unchecked until they’re large and require a lot of time to repair. Here are a few things to be on the lookout for that may require air duct repair services.

  1. Bad temperature control. If the air flowing from your house’s registers isn’t as hot or cold as it used to be, the issue could be the air ducts. A professional HVAC technician from Fox Service Company can narrow down where air leaks might be arising from and access that portion of your ductwork fast and safely.
  2. Hot and cold spots. If you are experiencing hot and cold spaces around your home, something could be causing a problem with your ductwork. It could have broken or come apart. Your HVAC system will need more energy to heat or cool rooms if this occurs. This results in extra wear and tear in addition to rising energy costs.
  3. Bigger heating and cooling costs. If your home seems uncomfortable or your air conditioning system seems to always be running, you might be wearing out your heating and cooling system as a result of bad air ducts. And that increases your monthly energy costs.

When you are looking for HVAC duct repair, Fox Service Company is an excellent choice. Our Austin heating and cooling technicians are trained to keep your HVAC system in the best possible condition and operating efficiently.

Fox Service Company also offers duct sealing in Austin, TX, which makes it more efficient for your HVAC system to heat and cool your residence. This is particularly useful if your home is older, and could lead to in extra savings on your utility costs.

HVAC duct repair in Austin, TX doesn’t have to seem like a chore. We want to make the whole process as easy as we can, starting with a free estimate or a Free second opinion on HVAC, Water Heater repairs and/or replacement, and due to our 100% satisfaction guarantee,* you can feel good realizing we’ll finish the job right the first time. 

Contact us at (512) 488-1120 to schedule your appointment now!

Frequently Asked Questions About Austin Ductwork


How do I know if my home needs duct repair or complete replacement?

If your duct system is less than fifteen years old and has minor seam leaks or loose joints, sealing solves the problem reliably. Homes with older flexible ducts that have turned brittle, collapsed, or suffered widespread thermal damage in the attic usually require complete replacement to restore balanced airflow and stop energy waste.

How long does a typical air duct replacement in Austin take?

Most full residential replacements take one to two days depending on the size of your home and attic accessibility. Our technicians remove the degraded materials, hang new properly sized flexible or rigid runs, seal every connection with mastic, and perform final static pressure checks before completing the job.

What are the signs of high static pressure in my duct system?

Whistling sounds near return grilles, booming noises when your blower kicks on, and rooms that receive weak air delivery all point to elevated static pressure. High pressure puts immense strain on your blower motor and evaporator coil, which is why proper duct sizing and air balancing are critical parts of our repair process.

Can damaged air ducts ruin the air quality inside my home?

Yes, damaged ducts pull unfiltered attic air straight into your breathing space. Holes along return runs create negative pressure, sucking in loose fiberglass insulation fibers, settled dust, and attic allergens. Repairing those gaps seals out contaminants and ensures your filtration system actually cleans the air circulating through your home.

FREE Second Opinion

Are you dealing with a costly HVAC repair or replacement? Provide us with a copy of the quote or invoice and get a FREE second opinion without having to pay another diagnosis fee!

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Hear From Our Customers

    "Great job, friendly, professional, and fair price!"

    Had Fox electrician install interconnection for my backup generator and a whole-home surge protector. GREAT JOB, FRIENDLY, PROFESSIONAL, FAIR PRICE

    Michael H.
    "Big time thanks!"

    I’ve used Fox many times over the past 6 years or so. I’ve had a great experience every time. Their staff is knowledgeable and professional, and they’ve always been available in emergency situations. Big time thanks!

    Britton D.
    "The absolute worst timing for an electrical issue but am extremely happy with him being able to resolve it in a timely matter."

    Called Fox out for a last-minute electrical issue while I’m in the closing process for selling my condo. Dominic was absolutely amazing, got there after hours at night and fixed it. The absolute worst timing for an electrical issue but am extremely happy with him being able to resolve it in a timely matter.

    Ean
    "I now use them for ac, plumbing and electrical and couldn't be happier."

    These guys are always on time, helpful, and don't try to get you to buy all the things. They provide you with options and as much info as needed to make your best decision. I now use them for ac, plumbing and electrical and couldn't be happier.

    Erin S.
    "Excellent service!"

    Excellent service! Bryan Benoit and his team had a crew out to my house and replaced my AC unit very fast. Fair pricing with great warranty, 10 years parts, and labor.

    Michael G.
    "Fox Service is my go-to from now on."

    In the nine years I've owned this home Fox Service is the best service call I've ever had. Fox Service is my go-to from now on.

    Betty S.
    "I will use them again when I need an electrician."

    They sent an electrician to investigate some strange electrical problems. He identified the problem and resolved it quickly. He was courteous, respectful of my property, and clearly explained the problem he found and how he resolved it. I will use them again when I need an electrician.

    Maggie W.
    "The guys showed up on time. They were extremely professional."

    The guys showed up on time. They were extremely professional. Their estimate on how long it would take was pretty accurate. I was in video meetings during a lot of their work and they seemed to be extra careful to make less noise when I was on those calls because the people I met with said that they didn't notice them. Overall - great job!

    Jon G.