How much to replace ductwork

HVACUpdated March 2026

The answer to 'how much to replace ductwork' is that the cost can vary widely depending on several factors. Typically, the cost to replace ductwork in a home ranges from $2,000 to $7,000 or more. The exact price will depend on the size of your home, the complexity of the ductwork layout, the materials used, and the labor costs in your local area.

Factors that influence the cost include the type of ductwork (flexible vs. rigid), the accessibility of the ductwork, the need for any structural changes, and whether you need to upgrade to a more energy-efficient system. Getting multiple quotes from local HVAC contractors is essential to understand the specific costs for your home.

Sources

HVAC Contractors Association— authority

Energy.gov - Ductwork— reference

This Old House - Ductwork Replacement— guide

Frequently Asked Questions

Do I need to replace the whole ductwork system?

Not necessarily. In some cases, you may only need to replace sections of the ductwork that are damaged or inefficient, which can be less expensive.

How long does it take to replace ductwork?

The timeline can vary, but a full ductwork replacement typically takes 1-3 days, depending on the size of the home and the complexity of the project.

Can I do ductwork replacement myself?

While some minor ductwork repairs may be possible for a skilled DIYer, it's generally recommended to hire a professional HVAC contractor for a full ductwork replacement to ensure proper installation and safety.

Get help from a local pro

Connect with certified professionals in your area