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.

Related to Ductwork Service

Ductwork Service Articles and Advice
Heather Ayer  •  Jul 15, 2026
Black Mold in Your Air Ducts: Symptoms, Signs, and Prevention
Common symptoms may indicate black mold in your AC unit. This guide walks you through what to look for when finding and preventing it.
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Curious about how much it will cost to add a return air vent? Our guide will help you discover the cost factors and ways to save on this project.
Terri Beth Miller  •  Jul 10, 2026
Who Installs Dryer Vents? Here’s Who to Call
If you need to move your dryer, or you’re buying a home without proper ductwork, you’ll want to make sure the right pro installs your dryer vent. Read on to find out who installs dryer vents to get the job done quickly and easily.
Scott Dylan Westerlund  •  Jul 10, 2026
How Much Does Ductwork Repair Cost? [2026 Data]
Ductwork repair costs vary by the type of fix needed and the materials involved. The duct's location and accessibility also impact pricing.
Amy Freeman  •  Jul 10, 2026
How to Install a Return Air Vent in the Wall
Installing a return air vent can increase the efficiency of your HVAC system. Learn how to install a return air vent in the wall.
Amy Freeman  •  Jul 9, 2026
Why Does My Ductwork Make Banging Noises?
Why does your ductwork make banging noises? Noise isn't always indicative of HVAC problems because ducts always expand and contract, but read more to find out.
Rachel Presser  •  Jul 9, 2026
How to Get More Airflow From Vents to Control Your Home’s Temperature
Is it hotter upstairs than downstairs? Or it's always too hot or cold no matter how much you play with the thermostat? Learn how to get more airflow from vents.
Mary Beth Eastman  •  Jul 9, 2026
What Is a Return Air Vent and What Does It Do?
What is a return air vent? They’re how the air in your home returns to the central heating and cooling system. Here’s how they work.
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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.