Skip to content 
Air Duct Repair That Restores Your System's Performance
Leaky and damaged ductwork wastes energy, creates hot and cold spots, and forces your HVAC system to work harder than it should. Girdner Heat and Air provides duct repair for homeowners and businesses throughout Eastern Oklahoma and Northwest Arkansas.
WE’RE ON THE WAY. CALL NOW.
Stop Losing Conditioned Air Through Your Ducts
Your ductwork carries heated and cooled air from your HVAC equipment to every room in your home. When ducts develop leaks, disconnections, or damage, that conditioned air escapes into your attic, crawl space, or wall cavities before it ever reaches your living areas. The result is rooms that never get comfortable, an HVAC system that runs longer than it should, and energy bills that keep climbing for no apparent reason.
Girdner Heat and Air provides residential and commercial duct repair across Eastern Oklahoma and Northwest Arkansas. We locate the source of the problem, whether it is a disconnected joint in the attic, a crushed flex run in the crawl space, or deteriorated seals throughout the system, and repair it so your HVAC system can deliver air the way it was designed to. According to ENERGY STAR, sealing and repairing duct leaks can improve your HVAC system’s efficiency by up to 20%, which translates directly to lower utility bills and more consistent temperatures throughout your home.
Duct Problems We Fix
Ductwork issues are often hidden behind walls, above ceilings, or under floors, which is why many homeowners do not realize their ducts are the problem. We diagnose and repair:
- Leaking duct joints and seams that waste conditioned air
- Disconnected or separated duct sections in attics and crawl spaces
- Crushed, kinked, or collapsed flex duct runs that restrict airflow
- Deteriorated duct insulation that causes condensation and energy loss
- Damaged or corroded sheet metal ducts from age, pests, or moisture
We also address airflow imbalances caused by duct damage. If certain rooms in your home are consistently warmer or cooler than others, the problem is often a compromised duct run to that area rather than an issue with your HVAC equipment. We test airflow at each register to pinpoint exactly where the system is losing performance and target our repairs to the sections that need it most.
Professional Duct Repair and Sealing
Duct tape does not fix ductwork. Despite the name, standard duct tape dries out and fails within months when used on actual duct systems. Our technicians use mastic sealant and metal-backed UL-listed tape designed specifically for HVAC ductwork. These materials create permanent, airtight seals that hold up for the life of the system.
For leaking joints and seams, we clean the connection, apply mastic sealant, and mechanically fasten the joint to prevent future separation. For crushed or collapsed flex duct, we replace the damaged section with a properly sized run and support it to prevent sagging. For deteriorated insulation, we remove the old material and re-insulate with the correct R-value for the space. Every repair is verified with a static pressure test to confirm the system is sealed and airflow is restored.
We serve both residential and commercial properties. For businesses experiencing uneven temperatures, high energy costs, or poor air quality related to ductwork issues, we provide the same thorough inspection and repair process tailored to commercial duct systems and the larger scale they require.
Why Girdner Heat and Air?
Duct problems are easy to misdiagnose. We have seen homeowners replace perfectly good HVAC equipment only to discover the real issue was a disconnected duct in the attic. Our team inspects the ductwork first so you do not spend money on repairs or replacements you do not need.
- Thorough duct inspection before recommending any repairs
- Licensed and insured technicians with residential and commercial experience
- Over 205 five-star Google reviews
- Mastic sealant and UL-listed materials on every repair
- Upfront pricing with no hidden fees
WE’RE ON THE WAY. CALL NOW.
Fix Your Ductwork and Fix Your Comfort
If your home has rooms that will not stay comfortable, energy bills that keep rising, or excessive dust no matter how often you clean, your ductwork may be the cause. Girdner Heat and Air serves homeowners and businesses across Eastern Oklahoma and Northwest Arkansas, from Tahlequah and Sallisaw to Fort Smith, Muskogee, and the surrounding communities. Call today for a duct inspection.
Hear It From Our Customers
Whitney M. Warrior-Deerinwater
Had a great experience, especially the consultation! The information was as they presented, no hidden extras, it was a successful home project and the boys were so great to talk to and ask questions. All were knowledgeable and all worked efficiently. They also seemed to enjoy their work and how they happily carried one with each other. They needed to take more of the snacks but they were such a great representative of Girdners to have on our home projects! Highly recommended. Owner is also great to work with. Looking forward to working with the company again!!
James Riggs
Girdner Heat and Air, are fast to respond, are attentive to detail and work to make sure issues are resolved. I had a error on my unit and they not only listened to my concerns but were prompt and fixed the issues in a very professional manner. I will be continuing to support this great local business.
Brian Marsh
Wyatt and Braxton were amazing. Very timely, cleaned up behind themselves all the way. Incredibly polite and professional. They even remembered my dog from the last time they were here. Re-upped for the subscription. Well worth of the cost. Tons of value
Paula Cornett
Ethan McKinney, with Girdner Heating and Cooling, is a very polite and knowledgeable young man. He located the problem with our unit very quickly and is now working to resolve it.
We appreciate Ethan and Girdner Heating and Cooling for responding so swiftly.
Hunter Balmer
They gave us an excellent deal and were really helpful when replacing our whole heating and air system! A big thanks to Joe, Wyatt and Garrett; they did an amazing job and worked an extra long day trying to get our AC working for us!
Definitely a great job and highly recommend them!
Deborah White
We had our HVAC system replaced in August 2024, and the experience was excellent from start to finish. The team completed the installation in a very timely manner and has been a pleasure to work with ever since. The system has worked perfectly, and anytime we’ve had a question, they’ve responded quickly and professionally. We are very, very happy with both the product and the service—highly recommend!
Tips From Your Local HVAC Contractors
Common Indoor Air Quality Problems
Know when a fix is enough, and when it’s time for a new unit.
Smart Thermostat Installation Benefits
Know when a fix is enough, and when it’s time for a new unit.
Does Ductwork Affect Energy Bills
Know when a fix is enough, and when it’s time for a new unit.
FAQs About Duct Repair
How do I know if my ducts are leaking?
Common signs include rooms that are always too hot or too cold compared to the rest of the house, higher than expected energy bills, excessive dust even after cleaning or changing your filter, and whistling or hissing sounds coming from walls or ceilings when your system runs. If you notice any of these, a duct inspection can confirm whether leaks are the issue.
Can duct tape fix leaky ductwork?
No. Standard duct tape dries out and peels away within a few months when applied to actual HVAC ductwork. Professional duct repair uses mastic sealant and metal-backed UL-listed tape that creates a permanent, airtight seal. This is the only repair method we use and it lasts for the life of the duct system.
Should I repair my ducts or replace them?
If the damage is limited to specific joints, seams, or sections, repair is usually the more cost-effective option. If your ductwork is 20+ years old, extensively deteriorated, incorrectly sized, or damaged beyond practical repair, replacement may be the better investment. We inspect the full system and give you an honest recommendation.
How long does duct repair take?
Most residential duct repairs are completed in a half day to a full day. The timeline depends on the number of leaks, how accessible the ductwork is, and whether any sections need to be replaced rather than sealed. We provide a time estimate before starting work.
Can duct problems affect my indoor air quality?
Yes. Leaky ducts in attics and crawl spaces can pull in dust, insulation fibers, mold spores, and other contaminants and distribute them throughout your home. Sealing your ducts not only improves efficiency and comfort but also keeps your indoor air cleaner.
Serving Oklahoma & Arkansas With Trusted HVAC Care
Comfort you can trust from Stilwell to Fort Smith
- Bunch, OK
- Cookson, OK
- Cedarville, AR
- Chouteau, OK
- Fort Gibson, OK
- Fayetville, AR
- Fort Smith, AR
- Gentry, AR
- Keys, OK
- Locust Grove, OK
- Lincoln, AR
- Muskogee, OK
- Muldrow, OK
- Mountainburg, AR
- Pocola, OK
- Prairie Grove, AR
- Park Hill, OK
- Roland, OK
- Sallisaw, OK
- Stigler, OK
- Spiro, OK
- Siloam Springs, AR
- Tahlequah, OK
- Van Buren, AR
- Vian, OK
- Wagoner, OK
- Westville,OK
