How Much Does a Duct Leakage Test Cost? [2024 Data]
Normal range: $115 - $450
A duct leakage test costs $325 on average, though it ranges between $115 and $450.
The average duct leakage test costs $325, though most homeowners spend between $115 and $450 depending on home size and ductwork accessibility.
However, several other factors can influence what you’ll pay. Let’s explore these factors to help you budget and ensure the optimal performance of your HVAC system.
- Average
- $325
- Low end
- $100
- high end
- $700
Factors Influencing the Cost to Check Air Ducts for Leaks
Several key factors influence the cost of checking your air ducts for leaks. Let's explore each of them in detail.
Home Size
The size of your home plays a significant role in the overall cost of checking air ducts for leaks. Larger homes have more extensive and complex types of ductwork, which requires more time and materials to inspect thoroughly. Additionally, larger homes are more likely to include features like zoned heating and cooling, which can also increase the time and effort necessary to produce testing results.
| Home Size (Square Feet) | Average Cost Range |
|---|---|
| 1,000 | $115–$350 |
| 2,000 | $200–450 |
| 3,000 | $310–$700 |
Accessibility
Ductwork located in tough-to-reach spots like attics, crawlspaces, or behind walls can increase the cost of your duct leak test due to the additional time it will likely take to perform visual inspections. This factor can play a significant pricing role not only for testing but also for any subsequent repair work that's necessary if the test reveals a leak issue.
Labor
The complexity of your HVAC system and the amount of labor required can impact the cost of the leakage test. HVAC professionals may charge higher rates for larger or more intricate systems. On average, you can expect to pay between $75 to $150 per hour for HVAC technician labor costs. Sometimes minimum service fees sometimes fall between $75 to $200.
DIY vs. Hiring a Pro to Check Air Ducts For Leaks
When checking air ducts for leaks, there's a trade-off between DIY efforts and hiring a local duct installer. DIY methods can help spot minor leaks using visual inspections and applying sealant to small gaps. However, for detecting extensive issues, it's essential to rely on a professional who can use specialized equipment to uncover hidden leaks and assess overall duct condition accurately. While DIY air duct testing steps can provide initial insights, professional inspections ensure comprehensive results and long-term energy savings.
Cost of Common Add-Ons
In addition to the leakage test, several add-on services may affect the overall cost of checking your air ducts for leaks.
| Add On | Cost |
|---|---|
| Blower door test | $200–$450 |
| Energy audit | $200–$680 |
| HVAC inspections | $70–$500 |
| HVAC repairs | $100–$3,000 |
| Air duct cleaning | $150–$780 |
| Duct sealing | $500–$4,000 |
| Air Duct Replacement | $1,400–$9,000 |
Blower Door Test
This test measures the airtightness of your home and identifies areas where air may be escaping. A blower door test costs between $200 and $450 and can help you improve your home's energy efficiency.
Energy Audit
An energy audit involves a comprehensive assessment of your home's energy usage and can help identify areas where you can save on energy costs. The cost of an energy audit varies but generally falls between $200 and $680, depending on the complexity of your home.
HVAC Inspections
Regular HVAC inspections are crucial for identifying potential heating and cooling system issues, particularly following air duct repairs. These HVAC inspections cost $300 on average and should be performed at least once a year to ensure your system is running efficiently.
HVAC Repairs
If your leak tests or inspections reveal any issues with your HVAC system, you may need to budget for repairs. The cost of HVAC repairs can vary widely depending on the nature of the problem, but on average, homeowners can expect to spend between $100 and $3,000.
Air Duct Cleaning
Clean air ducts are essential for maintaining indoor air quality and HVAC efficiency. The average cost of air duct cleaning ranges between $150 and $780, depending on where you live, the type and size of your ductwork, and how many vents you have. Cleaning is recommended every three to five years, depending on your home's needs.
Sealing Air Ducts
Sealing is a standard solution to address duct leaks and improve HVAC efficiency. The cost of air duct sealing depends on the method used and the size of your home, with options ranging from mastic sealant to foil tape. Expect to pay between $500 and $4,000 for duct sealing.
Air Duct Replacement
If extensive leaks or deterioration are found after your leak test, replacing sections or even the entire duct system may be necessary. Replacing air ducts can range from $1,400 to $9,000. Investing in duct replacement is crucial in these instances for maintaining energy efficiency and ensuring the proper functioning of your HVAC system.
How to Save on Cost to Check Air Ducts For Leaks
While maintaining your air ducts is essential, there are ways to save on the cost of inspection and related services. Consider these tips:
Get multiple quotes: Contact several duct installation companies in your area to ensure you get the best deal.
Bundle services: Some companies may offer a reduced cost to check air ducts for leaks if the service is bundled with your regular HVAC inspection, air duct cleaning, or other service.
DIY: You can perform a DIY duct leakage test for minor leaks, or you may be able to seal small duct leaks yourself using foil tape or mastic sealant.
Energy-efficient upgrades: Invest in energy-efficient HVAC systems and duct insulation to reduce the need for future repairs and inspections.
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 extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on 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 costquotes@angi.com. Quotes and personal information will not be shared publicly.
Frequently Asked Questions
You can fix leaky ductwork by using aluminum foil tape, which is cost-effective for short-term use until a more thorough repair or replacement is possible. Mastic duct sealant is another, and more permanent, solution that involves applying a special mastic to fill gaps and joints. Finally, aerosol duct sealant is a rubberized spray that seals ducts from the inside. While using this method is possible as a DIY project, it's most effective as a professional application.
The best time to schedule an air duct leakage test is during the mild spring or fall seasons. During these times, your HVAC system is not under extreme demand for heating or cooling, making it easier to identify and address any issues with the ductwork. Additionally, scheduling the test during these seasons allows you to optimize your HVAC system's efficiency before the more challenging summer or winter months, ensuring comfort and energy savings throughout the year.
Yes, government incentives and programs are available to encourage energy-efficient upgrades in many regions. These incentives may include tax credits, rebates, grants, and low-interest loans for homeowners who invest in energy-efficient improvements such as HVAC system upgrades, insulation, and efficient windows. The availability and specific details of these incentives can vary by location, so check with your local government or utility company to explore your options.