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How Much Does Air Duct Replacement Cost in Boston? [2025 Data]
Normal Range: $537 - $2,355
Air duct replacement in Boston, MA, costs $537 to $2,355, with an average of $1,321. You’ll pay more for high-end materials or difficult access points. Reach out to a local HVAC pro for an accurate estimate.
How we get this data
Photo: cerro_photography / iStock / Getty Images
Photo: cerro_photography / iStock / Getty Images
Highlights
Ductwork can be replaced in patches to solve minor issues.
Add around $2,000 to the total duct replacement cost for every additional 1,000 square feet in home size.
Ductwork in the attic or crawl space can add up to more than double or even triple the price of wall or ceiling ductwork.
Sheet metal ductwork is the most durable and efficient, but it’s also the most expensive.
You can choose a more budget-friendly duct material, but you’ll likely have to spend more ($1 to $8 per square foot) for insulation.
The average cost for air duct replacement in Boston, MA, is $1,321. Most homeowners can expect to pay between $537 and $2,355, although it depends on the complexity of the work. Projects involving ceiling or wall ductwork will cost less. However, ductwork for larger homes or in hard-to-reach areas like crawl spaces can average around $9,500 on the high end.
Air Duct Replacement Cost Factors
If you’re in the market for air duct replacement in Boston, MA, know that your total project cost will be determined by several additional factors, including the size of your home, the location of the ductwork, and the air duct material you pick.
Duct Replacement Cost by Home Size
The size of your home directly affects air duct replacement costs. Larger homes require more materials and labor to replace the entire duct system. 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. Here’s how the size of your home affects duct replacement costs:
| Home Size (Sq. Ft.) | Average Cost |
|---|---|
| 1,000–2,000 | $2,044–$6,570 |
| 2,000–3,000 | $4,088–$9,782 |
| 3,000–4,000 | $6,132–$13,140 |
Cost by Location of Ducts
If only specific sections of your ductwork need replacement, such as in a renovation project, costs will depend on the location of the damaged or worn ductwork. Replacing ducts in hard-to-reach or concealed areas—like attics, basements, ceilings, walls, or crawl spaces—can increase labor costs. Here’s how the location of the ducts could affect their cost:
| Location | Average Cost |
|---|---|
| Exposed | $1,022–$4,380 |
| Wall or ceiling | $1,460–$5,840 |
| Basement | $2,628–$4,526 |
| Attic | $3,212–$8,176 |
| Crawl space | $4,380–$10,658 |
Cost by Duct Material
The material you choose for your replacement ducts affects both their cost and longevity. The most commonly used duct material in Boston, MA, is sheet metal.
Sheet metal ducts are durable but pricey. Flexible ducts, on the other hand, are more affordable but may need to be repaired or replaced sooner. Here’s a breakdown of air duct replacement costs based on duct material:
| Duct Material | Average Cost per Linear Foot |
|---|---|
| Flexible (non-insulated) | $1–$3 |
| Flexible (insulated) | $2–$4 |
| Fiberglass | $4–$6 |
| Sheet metal | $7–$13 |
Cost to Hire an HVAC Pro to Replace Ductwork
HVAC professionals in Boston charge $50 to $100 per hour, with air duct replacement taking between five and seven hours. Expect to pay 40% of the total cost for materials and 60% in labor. For example, an air duct replacement project that costs $4,800 breaks down to approximately $2,880 for labor and $1,920 for materials.
Actual air duct replacement project prices will vary if complications like damage or mold growth require additional materials and labor. You might also have to pay a premium for an HVAC professional to do work in an area that’s difficult to access, such as a crawl space.
Pro Tip
Quality ductwork will increase the efficiency of your HVAC, sometimes by 20% to 30%. This is because there is reduced air leakage due to better insulation and more optimized airflow. This means your HVAC doesn't have to work as hard to keep the desired temperature, so it uses less energy.
Sales Tax
If you’re replacing air ducts in a home in Massachusetts, you’ll have to factor in the 6.25% sales tax into the total price. For example, if your project is $3,000, sales tax will increase it to $3,187.50.
Does Air Duct Replacement Increase Home Value?
Replacing the ductwork in your home won’t significantly increase your home value, but if you’re selling, buyers won’t be willing to pay top dollar if they know they’ll have to spend money on an air duct issue soon after moving in. However, replacing the entire HVAC system with a new, more energy-efficient system can increase the value of your home by 5% to 7%.
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We survey real Angi customers about their project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
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