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Thursday, April 11, 2024

How Much Does it Cost to Install HVAC Ducts?

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Ducts are an integral component of your home’s heating and cooling system. They serve as air supply vents and return air grilles to distribute conditioned air throughout your house.

Installing or replacing air ducts can be costly. The exact costs will depend on their size, type, and location – all factors which must be taken into consideration to calculate an accurate estimate for your project.

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Labor costs represent the bulk of HVAC duct installation expenses. Their price will depend on factors like your home size, type of ductwork (sheet metal, fiberglass or flexible), whether you are adding vents or replacing existing ones, and how complicated the job is.

Additionally it depends on their location. For instance, it will likely cost less to install or replace ducts in new construction, open basements and attics than it will in finished homes with closed walls and unique layouts.

An experienced HVAC contractor will help you assess how much ductwork you require and create a map showing their exact placement, including return air ducts. 

They’ll also perform a load calculation, which is an industry standard to make sure that your system is suitable to heat and cool your home efficiently. Inefficient ductwork wastes energy and money; worse yet, it could void your homeowner’s policy altogether!


There are various materials used for air ducts, and each material comes at its own price point. A new system’s total costs may also depend on factors like home size, sheet metal type and installation. 

You could save money by applying a duct liner prior to installing sheet metal ducts – this material expands and fills any openings, gaps or crevices before expanding back out again – this helps seal them and prevent leakage over time while helping prevent leaks and sagging over time.

Be mindful that your ductwork is an integral component of your HVAC system and can significantly impact both comfort and air quality within your home. Old, dirty or damaged ducts can significantly decrease energy efficiency as well as cause health problems for anyone with allergies or respiratory conditions. 

Therefore it’s crucial that you carefully consider all options – both repair or replacement – when making decisions for your home. The pros at HVAC repair and replacement companies can assist in understanding the costs involved when making this decision as well as which option would best serve your home environment.


Homeowners should anticipate an additional cost in addition to labor and materials – local fees and taxes, depending on where you live and what type of ductwork is being installed. Air duct insulation or home energy audit may also incur extra expenses.

Installation costs range between $2,000-8,000 in new construction, while replacing ductwork in an existing house usually ranges from $4,500-15,000 or higher.

HVAC contractors who discover asbestos or mold in old ductwork may experience increased costs when performing duct repairs or replacements, necessitating extensive work to remove contaminated materials and restore them. This is time-consuming work that will add to your expenses. 

To minimize these expenses and ensure quality work is performed, consider hiring an HVAC professional who offers both repair and replacement in one visit, helping lower overall project costs while guaranteeing proper completion of works.


No matter if it’s replacing old leaky ducts or installing new ones in your home, hiring an HVAC installation technician is key. They must be licensed, carry liability insurance and be bonded before starting work on homes in some regions. Furthermore, background checks must also be passed in order to guarantee qualified technicians as well as quality work being delivered.

Many cities require that work be inspected to meet local building code standards, so it’s crucial that you are aware of these regulations prior to hiring a contractor for any work as failure to do so can incur penalties.

A proper ductwork installation can save you money on energy bills by relieving strain from HVAC equipment, while keeping air cleaner by filtering germs, dust particles and other contaminants from circulation. Even at additional expense, having confidence that your ductwork meets the local building codes and is safe can provide long term savings on bills.

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