Why is ductwork so expensive?

Author: Prof. Shanelle Maggio Jr.  |  Last update: Friday, February 13, 2026

Ductwork costs are largely determined by the size and complexity of your system—but material choices, labor costs, and permitting requirements also play a significant role.

What is the average cost for ductwork?

New ductwork typically costs between $2,000 and $3,000 per ton of HVAC capacity, depending on where you live and the accessibility of the installation location. For example, for a 3-ton HVAC system, the cost of ductwork installation would be about $6,000 to $9,000.

What is the $5000 rule for HVAC?

The $5,000 rule is an industry-accepted rule for determining whether to repair or replace an HVAC system. Multiply the age of your equipment by its estimated repair cost. If the outcome is under $5,000, you should probably repair it. If over $5,000, you should replace it.

Is it worth it to replace ductwork?

One common benefit of ductwork replacement is an increased efficiency in the operation of your HVAC system. Old ductwork can become cracked, dirty, and compromised, leading to your HVAC machinery having to work harder than necessary to heat or cool your home.

Why are HVAC units so expensive now?

Few industries have been as affected by the turbulent global landscape as HVAC. Rising raw material costs, supply chain disruptions, labor shortages, environmental regulations, and consumer demand spikes have all contributed to the noticeable escalation in equipment and installation prices.

Why are HVAC Systems so expensive

What time of year is cheapest to buy HVAC?

Depending on normal weather patterns, the best time to buy an air conditioner is in the Spring (March and April) and the best time to install a new furnace is in the fall (September and October).

How do most people pay for new HVAC?

Many HVAC companies offer financing to their customers to streamline the HVAC replacement process and paying for it. Banks and credit unions may approve you for a personal loan, home equity line of credit, or a home improvement loan where loan proceeds are used specifically to make the upgrades your home demands.

Does homeowners insurance cover ductwork?

Your homeowner's insurance won't cover cleaning, repairing or replacing your ductwork. What does a home warranty cover when it comes to AC units and ductwork?

What is the life expectancy of ductwork?

Ductwork has a maximum lifespan of 20-25 years, and starts to deteriorate around year 15. If your ductwork is more than 15 years old, you may need to have the ductwork inspected to see if it is time to replace it. If it is older than 25 years, you almost certainly need to replace the ductwork.

Does replacing ductwork increase home value?

Yes, installing a new HVAC system can increase your home value by 5% to 7% with a return on investment (ROI) of about 30%. This projected increase is especially true if you replace your current setup with an energy-efficient system, providing additional benefits to future buyers in the long run.

Can I write off my new HVAC system?

Federal Tax Credits

The Inflation Reduction Act (IRA) of 2022 makes tax credits available on high-efficiency HVAC units through 2032. It allows you to deduct 30 percent of the purchase and installation costs and caps the amount you can write off: Air conditioners, furnaces, boilers, and water heaters max out at $600.

What is the most expensive part to replace on an AC unit?

Usually, it is a quick fix, but sometimes the failure can be caused by a much bigger problem. The most expensive part of an AC unit to replace and repair is the air compressor.

Should I replace my 12 year old AC unit?

0 to 9 years old: Your HVAC equipment most likely has years of life left. Seriously consider a repair over a replacement. 10 to 13 years old: Some high-use heating and air conditioning systems wear out after about a decade.

How long does ductwork last?

Ductwork typically requires replacement every 10-15 years, and delaying this can compromise airflow and energy efficiency. Visible and subtle signs, including excessive dust, strange noises, and increases in energy bills, can indicate deteriorating ductwork that needs repair or replacement.

Can I replace air ducts myself?

However, DIY ventilation replacement is a task you should leave to an HVAC expert. Doing this task on your own isn't recommended because: Faulty installation will waste energy. Air leaks can cause your utility bills to rise.

How much is central air if you already have ductwork?

On average, you can expect to spend between $10,000 and $15,000 for a complete installation that includes ductwork. However, if there is no existing ductwork, alternative options like ductless mini-split systems may be considered, which can have a different cost range.

How much does all new ductwork cost?

The average cost of ductwork installation is from $1,400 to $5,600. ¹ You can expect to pay $25 to $55 per linear foot. 2 No two ductwork replacement projects are identical, as every home has different requirements.

How do I know if I have bad ductwork?

But if you notice a bad odor once you turn on the system, there might be a problem with your ductwork. Similarly, a lot of dust in your house indicates that your ductwork is damaged and dirty. Broken ductwork plays a major role in restricting clean air from flowing throughout your home.

Is replacing ductwork easy?

Ductwork is one of the essential parts of your HVAC system. It's also one of the most difficult to replace ductwork correctly. If you are considering replacing ductwork, you must be prepared for a challenging project.

Will insurance pay for a new HVAC?

HVAC and home insurance

A homeowners policy may cover your HVAC in two ways: either through the dwelling coverage or the personal property coverage on your policy. Dwelling coverage may help pay to repair or replace a built-in unit since it's considered part of the home's structure.

Does HVAC system include ductwork?

This system is responsible for heating and cooling your home and includes products like furnaces, air conditioners, heat pumps as well as ductwork, thermostats and other home comfort controls. While the world of HVAC might seem complicated, it doesn't have to be confusing for homeowners.

How much does a new HVAC system cost?

According to HomeGuide.com, the average cost to replace the HVAC units is $5,000 to $11,000; to replace the units with ductwork runs between $7,000 and $16,000 in total.

Why are HVAC systems so expensive right now?

The global rise in fuel and energy prices has also increased the cost of manufacturing and transporting HVAC equipment, thus driving up HVAC prices for consumers. Changing environmental regulations also push the market towards newer, more expensive products as manufacturers work to comply with evolving standards.

How to get a free HVAC system?

If your income is limited and you're looking for an air conditioner, the U.S. Department of Energy's Weatherization Assistance Program (WAP) might be able to assist. The largest program of its kind in the country, WAP helps limited-income households improve their energy efficiency and reduce their energy costs.

How much does an HVAC person charge per hour?

The average cost of an HVAC service call is about $100 to $250, depending on the problem. The total hourly rate for an HVAC technician ranges from $65 to $150+ per hour, with additional parts costing anywhere from $40 to over $1000.

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