How much does it cost to replace air ducts?

Author: Jamal Mueller  |  Last update: Monday, June 15, 2026

Duct Replacement Cost by Home Size Larger homes require more materials and labor to replace the entire duct system. On average, the cost ranges from $2,000 to $5,000 for a small to medium-sized home. However, duct replacement can run as low as $1,400 for smaller homes and as high as $9,000 for larger homes.

Is it worth it to replace ductwork?

One common benefit of ductwork replacement is an increased efficiency in the operation of your HVAC system. Old ductwork can become cracked, dirty, and compromised, leading to your HVAC machinery having to work harder than necessary to heat or cool your home.

How expensive is it to replace ductwork?

Duct replacement costs typically range from around $20–$60 per linear foot, based on our team's market research. For example, if your home has 100 feet of ductwork, a complete replacement can cost between $2,000 and $6,000.

How often should home air ducts be replaced?

Ductwork typically requires replacement every 10-15 years, and delaying this can compromise airflow and energy efficiency.

Does insurance cover air duct replacement?

Ventilation and Ductwork

As long as they're built into your home, ducts, vents and other parts of your home's ventilation system are also usually covered from damage caused by the same perils as the rest of your HVAC is.

How Much Does It Cost To Replace Air Ducts? - CountyOffice.org

How long does it take to replace air ducts?

On average, ductwork projects can take between one and four days to complete. The easiest duct projects without any complications are fairly simple jobs and can take as little as one day. However, there are many factors that can change that timeline.

How much does it cost to replace ductwork in a crawl space?

The Average Cost of Replacing Air Ducts in a Crawl Space

The cost of adding new ductwork to a crawl space generally ranges in price from $3,000 to $6,000, including materials and labor.

Can I replace air ducts myself?

However, DIY ventilation replacement is a task you should leave to an HVAC expert. Doing this task on your own isn't recommended because: Faulty installation will waste energy. Air leaks can cause your utility bills to rise.

Does replacing ductwork increase home value?

Yes, installing a new HVAC system can increase your home value by 5% to 7% with a return on investment (ROI) of about 30%. This projected increase is especially true if you replace your current setup with an energy-efficient system, providing additional benefits to future buyers in the long run.

How much does it cost to check for duct leaks?

The average duct leakage test costs $325, though most homeowners spend between $115 and $450 depending on home size and ductwork accessibility. However, several other factors can influence what you'll pay.

How to estimate ductwork cost?

The cost calculation is based on covering an average area of around 100 square feet, with ductwork materials priced at approximately $10.00 per square foot. The labor cost is an estimation of around 20 hours of work at $35.00 per hour, a rate that varies by region and contractor expertise.

How do I know if my ductwork needs to be replaced?

10 Tell-Tale Signs Your Home Needs New Air Ducts
  1. Old Age. Just like any other equipment, the ductwork system also gets old. ...
  2. Strange Noises. ...
  3. Increased Utility Bills. ...
  4. Poor Air Quality. ...
  5. Hot and Cold Spots. ...
  6. Dirty Ducts. ...
  7. Poor Performance of a New HVAC Unit. ...
  8. Punctures and Dents.

How much is a HVAC system for a 2000 sq ft house?

How much does a new HVAC system cost for a 2,000 sq. ft. home? The costs range from $6,224 to $11,434, depending on the system type and installation requirements. Key factors include system size, type, efficiency, and local labor rates.

How much should duct replacement cost?

On average, the cost ranges from $2,000 to $5,000 for a small to medium-sized home. However, duct replacement can run as low as $1,400 for smaller homes and as high as $9,000 for larger homes. Home Size (Sq. Ft.)

How do I know if I have bad ductwork?

Visible damage or problems

Look for cracks and gaps in the joints, seams, and connections of your ductwork. Holes in these areas increase air loss, higher energy consumption, and draw in dust, pollen, and other particles.

Do you have to tear out walls to replace ductwork?

In many situations, ductwork can be replaced without ripping out walls. There are ways to access the ducts, such as through your attic or basement, without taking down any existing walls. In some instances, though, small areas of the wall may need to be removed in order to access the ducts.

What is the life expectancy of ductwork?

Ductwork has a maximum lifespan of 20-25 years, and starts to deteriorate around year 15. If your ductwork is more than 15 years old, you may need to have the ductwork inspected to see if it is time to replace it. If it is older than 25 years, you almost certainly need to replace the ductwork.

How hard is it to replace ductwork?

Just how hard is it to replace ductwork? In short, the project requires meticulous attention to detail and a thorough understanding of HVAC systems. That's why Blue Frost stresses the importance of professional installation.

What increases house value the most?

10 quick wins for adding value before selling
  1. Redecorate. ...
  2. Fix superficial defects. ...
  3. The front door. ...
  4. Declutter. ...
  5. Heating and lighting. ...
  6. Garden appeal. ...
  7. Create a driveway / off-road parking. ...
  8. Look smart and be energy efficient.

Should 30 year old ductwork be replaced?

In fact, experts recommend you replace your ductwork every 15 years or so. This is because the materials of the ductwork deteriorate over time, and when this happens it greatly impacts the performance of your HVAC system, which can lead to a reduction in your indoor air quality.

Is it better to clean or replace air ducts?

The EPA says regular ductwork cleanings are typically unnecessary. You'll want to get your ductwork cleaned if you have mold or pests. Replace your ductwork if you have major damage or an extreme mold infestation.

What happens if you don't replace ductwork?

When your ductwork is damaged, old, filthy, or clogged in any way, your home is likely to suffer the consequences- high energy bills and discomfort. If you notice your HVAC system's airflow depleting or straining, it may be time for a replacement. Indoor air quality (IAQ) has a direct impact on your health and comfort.

Does homeowners insurance cover ductwork?

Your homeowner's insurance won't cover cleaning, repairing or replacing your ductwork. What does a home warranty cover when it comes to AC units and ductwork?

Is replacing ductwork messy?

The Mess Is Minimal

If you don't have ducts, the spots that will see the most change are the closets and the attic, where we'll be running the ductwork. We'll have to cut a few holes in your ceiling to install vents and returns, but that's a very minor thing to do to drywall.

How much does it cost to repair collapsed ductwork?

Collapse damage results from ductwork being struck by something. However, flexible ductwork can collapse due to age and wear. Depending on the severity of the damage, expect costs of between $150 and $2,000 to put it all back together.

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