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By Alex Hawkins Updated May 24, 2024 Spiral Insulated Ventilation Duct
Typical costs range from $1,370 to $5,970.
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Air duct replacement costs typically range from $1,370 to $5,970 , but many homeowners will pay $3,670 on average. Air ducts are essential components of heating, ventilation, and air conditioning (HVAC) systems and are responsible for distributing heated or cooled air throughout a home. Read our guide to learn about air duct replacement cost factors and why you should leave this job to the professionals.
Central AC unit costs range from $3,800 to $7,700.
Heat pump costs range from $3,700 to $11,000.
Split AC units costs range from $3,700 to $11,000.
Note: Unless otherwise noted, cost figures in this article are based on 2024 reports from Costimates.com, House Digest, and RemodelingCalculator.
The national average cost for a full ductwork replacement is $1,367 to $5,967, but it can range anywhere from $250 to $12,000, depending on the project’s scope. Many contractors charge per duct, and the average cost to replace HVAC ductwork per duct is around $295.
The type of ductwork material you choose affects your overall cost. Learn more about the common ductwork materials below and their average replacement cost per linear foot of ductwork .
Including or upgrading insulation in duct systems enhances energy efficiency and minimizes heat loss or gain. However, installing or improving insulation involves additional materials and labor, contributing to a higher ductwork installation cost of $2 to $6 per linear foot of insulation.
Incorporating extra vents requires alterations to the duct layout, installation of new openings, and adjustments to airflow dynamics. These additional tasks result in higher labor costs, increasing replacement costs by approximately $200 to $250 per vent.
Other factors affecting air duct replacement costs include the following:
Although health issues could be a sign of bad air ducts , there are others that could indicate you need a duct replacement. These signs include the following:
Dirty air vents: Dirty air vents can mean cracks, tears, and poor sealing in your ductwork .
Dust buildup: If you notice excessive dust in your home, this could signal that your air ducts are leaky and not working properly.
Increased energy bills: If you notice a sudden increase in your monthly utility bill , the culprit might be old ducts that no longer perform correctly.
Mold: It may be time to replace your air ducts if you find mold or smell musty and earthy scents.
Poor indoor air quality: Poor indoor air quality can directly impact your health and comfort, which may indicate that your air ducts need replacing.
Uneven heating or cooling: If some rooms in your home are warmer or cooler than others, it may be a sign that your air ducts aren’t distributing air evenly.
Whistling noises: Whistling sounds from your HVAC system can indicate damage to your air ducts . Existing ducts that are whistling mean there are unseen leaks and obstructions.
HVAC professionals possess the knowledge to assess your energy needs and recommend the right materials for your duct installation . Opting for a professional air duct replacement also guarantees a skilled team will install your ductwork system properly and safely.
A do-it-yourself ( DIY ) air duct replacement demands a comprehensive understanding of HVAC systems and specialized tools. Installation errors can lead to compromised air quality , inefficiency, and potential safety hazards. Ultimately, we advise homeowners to seek professional assistance for ductwork repair or replacement due to the complicated nature of the work.
Air duct replacement is a serious investment that requires you to consider many factors to ensure your home remains comfortable and safe. Because air ducts are vital to your home, we suggest you leave this job to the professionals. You should contact at least three professional HVAC contractors for free quotes and to find out how much your specific home ductwork replacement will cost. This approach helps you accurately compare all costs and service options.
Our tool below helps you gather those quotes using just your ZIP code.
No, air duct replacement is a complex job with various challenges. It involves dismantling existing systems, coordinating precise installations, and ensuring proper sealing to prevent air leaks.
Clear the area around ducts for easy access and remove any obstacles hindering the replacement process. Communicate any specific preferences or concerns with your contractor and be ready to adjust your living arrangements.
Generally, ducts made of durable materials like sheet metal can last up to 25 years or more, while flexible materials might require replacement sooner. We recommend you schedule a professional inspection every three to five years to assess the condition of the ducts and determine if replacement or maintenance is necessary.
The best time of the year for air duct replacement is when there is mild weather, typically in spring or fall. The installation process will be more comfortable for the installers and the home’s occupants.
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