How long does it take to replace HVAC ductwork?

Author: Michele King  |  Last update: Sunday, July 27, 2025

What Is The Average Ductwork Replacement Length? On average, ductwork projects can take between one and four days to complete.

How long does it take to replace ductwork?

The ductwork project takes between 1 to 4 days. The ductwork is mostly impacted by the size of the project. If there are no unexpected challenges, then the system will take only a few days to install. In some cases, the installation can be completed in one day.

How much should it cost to replace ductwork?

Duct replacement costs typically range from around $20–$60 per linear foot, based on our team's market research. For example, if your home has 100 feet of ductwork, a complete replacement can cost between $2,000 and $6,000.

How long does a full HVAC replacement take?

Full System Replacement: A full system replacement means that your HVAC professional will be replacing or installing your ductwork and rewiring your thermostats. This process will take much longer than a simple changeout. A full system repair is going to take anywhere from 3 to 5 days.

How hard is it to replace ductwork?

Just how hard is it to replace ductwork? In short, the project requires meticulous attention to detail and a thorough understanding of HVAC systems. That's why Blue Frost stresses the importance of professional installation.

Repair Or Replace Your HVAC Flexible Duct System And Save a Fortune

Should 30 year old ductwork be replaced?

How long should ductwork last? You should replace your ductwork every 15 years because the materials deteriorate over time, impacting HVAC performance and indoor air quality.

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?

How much is labor for HVAC replacement?

Several factors influence how much you'll pay for labor for your next HVAC repair or replacement service. However, the average cost of HVAC labor is $75 to $150 per hour.

How many quotes should I get for HVAC replacement?

Most experts recommend getting three to five HVAC quotes from licensed, insured, reputable local heating and cooling companies. Getting multiple detailed HVAC quotes (but not too many) lets you compare the equipment, services, and prices of several contractors without being overwhelmed by options.

Why is HVAC replacement so expensive?

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.

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.

Is replacing ductwork messy?

The Mess Is Minimal

If you don't have ducts, the spots that will see the most change are the closets and the attic, where we'll be running the ductwork. We'll have to cut a few holes in your ceiling to install vents and returns, but that's a very minor thing to do to drywall.

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.

How do I prepare for a duct replacement?

Before the technicians arrive at your home, ask them how much space they need around each vent and register. Then, remove any furnishings or objects from those areas. This will enable them to devote more time to cleaning the ducts instead of having to clear the work areas.

What is a common mistake in ductwork installation?

Another common mistake is using too small of a duct or underestimating the amount of airflow required. This can result in excessive noise and vibration, as well as decreased efficiency. If your ductwork is not properly insulated, it can cause the air temperature to fluctuate, resulting in hot or cold spots.

How much should duct replacement cost?

On average, the cost ranges from $2,000 to $5,000 for a small to medium-sized home. However, duct replacement can run as low as $1,400 for smaller homes and as high as $9,000 for larger homes. Home Size (Sq. Ft.)

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.

What is the most expensive part in an HVAC 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.

Can I negotiate with a HVAC quote?

Suppliers purchase HVAC components from manufacturers and may not have any way to get them at a lower price. However, not all negotiations have to be about getting the absolute lowest per-item price. In situations where you cannot get a cheaper cost, ask for other discounts that still lower your total price.

What do HVAC contractors 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.

Does homeowners insurance cover HVAC?

Homeowners insurance covers HVAC systems when the damage is a result of a covered disaster or peril, including high winds, fallen trees, theft, hail or even a fire. So if lightning strikes your unit and damages its electrical components, your homeowners insurance policy would probably cover it.

How many hours does it take to replace HVAC?

Type of HVAC System

Central Air Conditioning Systems: Typically straightforward to install, these systems can often be replaced within 4-8 hours if the ductwork is in good condition. Heat Pumps: Installation might take a bit longer due to their dual heating and cooling functions.

Do I really need to replace my ductwork?

Just like any other equipment, the ductwork system also gets old. Over time, the joints, seals, and seams may weaken and malfunction. As the ductwork deteriorates, it can lead to reduced comfort and increased energy costs. To prevent these problems, you need to replace your ductwork after every 10 years.

Will a new HVAC system lower my homeowners insurance?

Energy-Efficient Upgrades: Adding energy-efficient features like new insulation, windows, and HVAC systems can increase your home's value and might lower your homeowner's insurance rates.

How to pay for HVAC replacement?

There are 4 main options for AC financing or HVAC system financing: a personal loan, a home equity loan, a HELOC, and HVAC financing through your local Trane dealer. For all of these options, you can reduce the amount of the loan or the credit card balance if you can make a down payment.

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