Duct Sealing

Industry-Leading Duct Services.


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Ensure Your Ductwork is Properly Sealed

Did you know that, according to the U.S. Department of Energy, 95% of homes have leaky ductwork? Our team at Capitol Duct Cleaning in Olympia found that number staggering. That’s why we provide top-of-the-line duct sealing services to homeowners throughout our community. Using the latest in duct-sealing technology, we are able to effectively and efficiently seal 100% of the leaks and holes in your ductwork. Keep reading to learn more or contact us today to get started with your duct sealing services at Capitol Duct Cleaning in Olympia.


Why Choose Capitol Duct Cleaning For Your Duct Sealing Services?

  • We offer peace of mind with our 100% satisfaction guarantee
  • We are a veteran-owned and operated local business
  • We provide more than 25 years worth of experience
  • We utilize Aeroseal — the latest in duct sealing technology
  • We will help you reduce your energy consumption and save big on your energy bills
  • We offer straightforward, no-nonsense customer service

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Common Benefits Homeowner’s See With Our Duct Sealing Services

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Better Air Quality

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Reduced Energy Bills


Reduced Carbon Footprint


Balanced Temperatures Throughout the Home

Aeroseal Duct Sealing Technology

Before there was the revolutionary Aeroseal duct sealing technology, duct sealing was done manually. This means that an HVAC technician would visually inspect your air ducts for leaks and seal any that they found along the way. This method was costly, time-consuming, and in most cases, not very effective. Because an HVAC technician can’t access 100% of the ductwork behind drywall and in other inaccessible locations, only the visible and accessible portions of your ducts could be sealed.

The traditional method of air duct sealing was clearly riddled with flaws. That’s why the EPA, the U.S. Department of Energy, and a variety of others contributed to creating Aeroseal duct sealing technology. Aeroseal seals your ducts from the inside, making it so that no cracks or leaks are safe. Aeroseal duct sealing can access 100% of your air duct system and effectively seal practically any inefficiencies. Using this system, air duct stealing is more affordable, effective, and efficient than ever before! You can learn more about Aeroseal by checking out the video below.

How Does Aeroseal Work?

When using Aeroseal, your duct sealing technician will isolate your air ducts by closing off the furnace and AC, making it so that the only way air can escape is through leaks in the air ducts. Then, small, non-toxic, airborne particles are sent throughout your system via a fan. These particles will adhere to the edge of holes and gaps as air tries to escape your system through these inefficiencies — ultimately sealing them. The seal created over the gap is durable and long-lasting to ensure that the duct sealing lasts. This process is a fast, simple, and cost-effective way to seal your air ducts!

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The Aeroseal Process

The Aeroseal duct sealing process is done in three easy steps!

Step 1:

In step one, Capitol Duct Cleaning and Sealing in Olympia will isolate your air ducts. This is done by using foam plugs to block off the entrances from the AC and the furnace, ensuring that the only way air can escape is through gaps and leaks in your vents. After the ducts are isolated, we attach the Aeroseal duct sealing system to your ductwork and run a pretest. The pretest provides us a benchmark or baseline of sorts that we can use to measure the success of the duct sealing work.


Step 2 is where the magic happens! Air duct leaks are located and then sealed with the Aeroseal duct sealing technology. Any gaps or leaks throughout the entire ductwork are sealed quickly and safely from the inside with the help of the small adhesive particles. Throughout this process, everything is monitored by a duct-sealing technician in real-time from a computer screen.

Step 3:

In the final step, you, the homeowners, are presented with a certificate verifying and proving the air ducts were properly sealed. Now, you’ll enjoy the results instantly with lower energy costs, balanced heating and cooling throughout the home, and more!


Save Big With Duct Sealing

At Capitol Duct Cleaning in Olympia, we regularly help people save up to 30% on their home energy bills. This is because leaky air ducts make your HVAC system drastically less efficient. When you have leaks in your air ducts, the heated or cooled air escapes your air ducts and never even makes it to its final destination in your home. You are essentially throwing away money heating or cooling air that you don’t even get to enjoy! Worse yet, because some of the conditioned air isn’t making it to its destination, your system will have to work even harder to produce the desired temperature throughout your home. Duct sealing services at Capitol Duct Cleaning in Olympia are an excellent way to cut down your monthly energy costs.

Improve Your Indoor Air Quality

There are a variety of factors that can contribute to the overall quality of the air in your home. Where you live, filtration systems, and more can play factors into how easily you and your family can breathe. But perhaps the most impactful thing of all for indoor air quality is your air ducts. Air ducts make their way through some of the more undesirable locations of your home such as attics, crawlspaces, wall interiors, and more. When there are leaks and gaps in your air ducts in these undesirable areas, your system will suck in dirt, dust, allergens, odors, pollutants, and other things that you might not want in the air you breathe. This is especially troublesome for those who suffer from allergies and asthma or others who are sensitive to air quality. Fortunately, Aeroseal duct sealing services at Capitol Duct Cleaning seal even the most hard-to-reach places within your air ducts — protecting you and your family from contaminants in your air. Duct sealing can drastically improve your indoor air quality and help your family breathe easier.

Improve Your Air Quality

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Choose Duct Sealing at Capitol Duct Cleaning

Be sure to choose Capitol Duct Cleaning for your professional duct sealing services! We operated out of a vast service area including:

  • Olympia
  • Lacey
  • Tumwater
  • Tacoma
  • Puyallup
  • Lakewood
  • Graham
  • And Other Surrounding Areas!