Ductwork

Ductwork refers to the system of metal or flexible tubes that distribute heated and cooled air throughout your home, keeping every room comfortable year-round. Whether you're dealing with leaky ducts, poor airflow, or planning a new HVAC installation, understanding your ductwork helps you make smarter decisions. Angi connects you with local pros and provides helpful resources to guide your next project.

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Common Ductwork Service Questions

Knowing when your air ducts need cleaning will help keep the air in your home as clean and breathable as possible. Here are a few signs that it’s time to call an air duct cleaning service:

  • Odor coming from vents

  • Dirty vent covers

  • Visible mold growth

  • Clogged air filters

  • Noisy air ducts

  • Weak airflow

  • Signs of rodents or insects near vents

  • High energy bill

Air duct sealing costs between $500 and $4,000, or an average of $2,250. The final price will depend on your home’s square footage, the sealing method used, the layout and condition of the ducts, and the extent of the leaking. Although sealing air ducts might seem pricey, it can save you money in the long term by reducing your heating and cooling bills.

Yes, professionals clean ducts and exhaust fans to ensure complete system efficiency and compliance with safety codes.

Exposed ductwork needs to be sealed in order to ensure optimal efficiency as well as protect the home. Leaking air ducts aren’t just hard on your wallets by increasing electricity bills, but can cause moisture buildup in walls that leads to mold and other growths. The good news is you can DIY ductwork sealing, and many handy DIYers have found it a solid weekend project.

Insulating ducts prevent or significantly reduce condensation by reducing temperature differences between the duct surface and surrounding air. Proper insulation also minimizes sweating, improves energy efficiency, and prevents moisture damage. However, if humidity levels are unusually high or there are air leaks, additional measures like sealing ducts and using a dehumidifier may be needed.