DUCT Sealing
Lock in the benefits of your duct cleaning with proper sealing
Improves overall air quality
Provides consistent temperatures
Increases home efficiency and saves money
Be in the Top 5%
Did you know, according to the U.S. Department of Energy, 95% of homes have leaky ductwork?
Capitol Duct Cleaning uses advanced duct sealing technology to locate and seal leaks throughout your system. Quickly, cleanly, and thoroughly. The goal? Stop air from escaping and help your system run the way it should.
Boost Your Indoor Air Quality
By Sealing Your Ductwork The Right Way
Many things affect the air you breathe indoors, like where you live, your HVAC filters, and even the season. But one of the biggest factors is your ductwork. Air ducts run through less-than-ideal parts of your home, like attics, crawlspaces, and inside of walls. If those ducts aren’t sealed, they can pull in dust, insulation, and other unwanted particles, circulating them through your living space.
Leaks in your air ducts can let in more than just air. When your ductwork has gaps, especially in areas like crawlspaces or attics, it can draw in dust, odors, allergens, and other pollutants from places you don’t want circulating through your home.
This can be especially tough for people with asthma, allergies, or other sensitivities. Unsealed return ducts can also bring in excess humidity, leading to moisture problems and making it harder to keep your home comfortable.
Improve your HVAC system, elevate your air quality, & breathe easier.
Reviews
I highly recommend Capitol Duct Cleaning, especially if you’re lucky enough to get Larry and Q. Outstanding service from start to finish!
I highly recommend this company!
We confidently refer our clients to Capitol Duct knowing they’ll receive exceptional service every time. Whether residential or commercial, we highly recommend reaching out to their team.
I also want to thank the front desk team, especially Amy and her co-worker. Because of my kids’ school event, they went out of their way to accommodate my schedule. I can’t thank them enough for their flexibility and kindness.
Overall, I’m extremely satisfied with the service. Highly recommended!
The team came out to clean our ductwork and dryer vent, and they did a thorough, professional job from start to finish. They were polite, genuinely friendly, and took the time to explain every step of the process, answering all our questions with patience. They also sanitized the system and gave helpful, non-pushy recommendations for maintaining clean indoor air. We immediately noticed a difference in air quality. Highly recommend!
The Aeroseal Process
The Aeroseal duct sealing process is done in three easy steps!
First, we’ll 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 with a benchmark or baseline of sorts that we can use to measure the success of the duct sealing work.
The next step 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.
Finally, you, the homeowners, are presented with a certificate verifying and proving that 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!
After duct cleaning, choose a contractor who will finish the job.
Seal the deal after you clean
Contact Us
Phone: 360-352-4693Open Hours
Weekdays
24 Hours
Sat/Sun
Closed
Contact Capitol Duct
FAQ
- What is air duct sealing?
- Why should I consider sealing my ducts?
- How can I tell if my ducts are leaking?
- How is duct sealing done? What methods do professionals use?
What is air duct sealing?
Duct sealing is the process of closing leaks, gaps, or cracks in your home’s HVAC ductwork to prevent air from escaping. Approximately 95% of homes, according to the U.S. Department of Energy, have some degree of leaky ductwork.
Why should I consider sealing my ducts?
Sealing leaky ducts offers several benefits: energy savings, better comfort, and improved air quality. Leaky ducts can cause significant loss of heated or cooled air, which forces your HVAC system to work harder, leading to higher utility bills.
How can I tell if my ducts are leaking?
Look for these signs of leaky ducts:
- Higher-than-normal energy bills – If your heating or cooling costs rise unexpectedly without a change in usage, you might be losing air (and money) through leaks.
- Uneven heating or cooling – Certain rooms remain cold in winter or hot in summer, indicating that conditioned air isn’t reaching those areas. Leaks often result in rooms, especially those farther from the furnace, being difficult to keep comfortable.
How is duct sealing done? What methods do professionals use?
One method used by many contractors in Western Washington is the Aeroseal process. Technicians block off your vents with foam plugs and connect an Aeroseal machine to the duct system. They then inject microscopic adhesive particles into the airflow. These particles cling to the edges of holes or gaps, gradually sealing the leaks from the inside.