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Get your free estimateRheem Ductwork Repair: The Austin Owner’s Guide
Rheem ductwork repair in Austin typically runs $150 to $650 installed, depending on whether we’re sealing a separated joint, replacing a crushed section, or rebuilding a plenum. We stock common Rheem-compatible duct fittings, collars, and flex duct on our trucks, so most calls are a same-day fix. You’ll usually spot the problem the same way every Austin homeowner does: one room stays hot while the rest of the house cools fine, or your utility bill climbs $40 to $80 in a month with no change in how you run the system. That’s ductwork leaking conditioned air into your attic instead of your living room.
Which Rheem Models This Applies To
Your ductwork isn’t branded by the manufacturer, but the sizing and static pressure requirements are set by the Rheem unit it’s attached to. Whether you’re running a Rheem Classic series, a Rheem Prestige high-efficiency heat pump, or an older Rheem Achiever, the duct system has to move a specific volume of air measured in cubic feet per minute (CFM). A 3-ton Rheem needs roughly 1,200 CFM, and undersized or leaking ducts choke that airflow. We match the replacement duct sizing to the Rheem model’s blower specifications, not just what’s already hanging in the attic, because Austin homes built 20 years ago were often ducted too small even for the original equipment. The label you’ll want to check is on the outdoor condenser, not on the duct itself. If you can’t find it, we identify the model during the first ten minutes on site and size the repair from there.
Styles & brands we work with







Signs Your Rheem Ductwork Is Failing
Ductwork doesn’t usually fail all at once. It leaks a little more each summer as Austin heat bakes the attic and the tape and mastic lose their grip. Here’s what we see on Rheem systems in town:
- One room won’t cool while the rest of the house feels fine. That’s a disconnected or collapsed branch run, often a flex duct that pulled loose from its collar when the attic shifted.
- Your electric bill jumped with no change in thermostat settings. Leaky ducts dump conditioned air into the attic, so your Rheem runs longer to hit the same indoor temperature.
- Dusty air or a musty smell when the blower kicks on. A separated return duct pulls attic air, insulation fibers, and humidity straight into your living space.
- Rooms near the center of the house are fine, but upstairs or far corners never reach setpoint. Long, poorly sealed duct runs lose pressure before air ever makes it to the register.
- You can see crushed or sagging flex duct in the attic. Austin’s summer attic temperatures regularly top 140 degrees, and that heat breaks down cheap flex duct liners faster than most homeowners realize.
See the difference
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After
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Before
AfterReplacement Cost & What’s Included
Most Rheem ductwork repair jobs in Austin land between $150 and $650. A simple reseal of two or three leaking joints with mastic and new collars might be $150 to $250. Replacing a crushed 25-foot run of flex duct runs $350 to $550 on a typical Rheem system. A full plenum rebuild, where the main supply trunk meets the Rheem air handler, can push toward $650. Every quote is a written, line-item price you see before we open a panel, and it includes the part, the labor, and our 365-Day Done Right Promise. If the repair fails within the coverage window, the second visit is free. You won’t have to ask for it, and you won’t have to argue about it. The guarantee is printed on every invoice.
DIY or Call Us?
You can safely check a few things yourself: walk the house and note which rooms aren’t cooling, hold your hand over each register to compare airflow, and take a look at any exposed duct in a garage or utility closet. What you shouldn’t do is climb into a 140-degree Austin attic, crawl across ceiling joists, and start pulling flex duct apart. Attics here are genuinely dangerous, and a partial fix that fails next month costs more than doing it right the first time. When you call (361) 202-9170, we’ll send a technician with the parts already on the truck, a live arrival time you can track, and a written price before any work starts. We put it in writing before we touch a thing.
FAQs
Flex duct in Austin typically lasts 15 to 20 years, but the tape and mastic sealing the joints can start failing in 10 to 12 years due to sustained attic heat above 130 degrees in July and August. If your home is older than 15 years and the ducts have never been inspected, you’re likely leaking 20 to 30 percent of your conditioned air into the attic, which means you’re paying to cool space you don’t live in. Call (361) 202-9170 for an inspection and a written repair quote if we find leaks.
Yes, most duct problems in Austin are repaired rather than replaced. Leaking joints get resealed with mastic and new collars, crushed sections get cut out and replaced, and separated runs get reconnected. Full replacement only makes sense when the duct is original to the home, falling apart in multiple locations, or sized wrong for the Rheem system it’s attached to. We’ll tell you which one applies to your house before you spend a dollar, because the written price covers either path.
A typical duct sealing or flex duct replacement takes 1 to 3 hours on site. If we’re pulling new flex runs through a tight attic or rebuilding a plenum, the job can run 3 to 5 hours. Either way, most repairs are completed the same day, and you’ll have a live arrival time to track us to your door.
Yes, we keep common flex duct sizes, collars, takeoffs, mastic, and sheet metal fittings on our trucks when we head out to Austin homes. If a specialty Rheem fitting isn’t stocked, we source it from the same supply houses the major-brand dealers use, including parts compatible with Carrier, Trane, and Lennox systems as well. We’re an independent service provider, not affiliated with Rheem, which means we match parts to your system’s actual specifications rather than a brand label on a box.
If your Rheem system is cooling your attic instead of your living room, call (361) 202-9170 today. Andre Fuller and the Halden Heating and Air Austin crew will inspect the ductwork, put a written price in your hand, and complete the repair with a guarantee that covers the work for a full year.
Written by Andre Fuller, Owner, Halden Heating and Air Austin at Halden Heating and Air Austin, serving Austin and nearby areas.