Revolutionize Your Home's Efficiency
with Aeroseal

Enhance your home's comfort and energy efficiency with professional Aeroseal duct sealing by Home Comfort Alliance. Discover how our innovative technology can reduce utility bills, improve air quality, and extend the life of your HVAC system.

What is Air Sealing? Why is it Important?

Air sealing is the practice of minimizing or preventing unintended airflow within a building, specifically, the infiltration of outdoor air into interior spaces and the escape of conditioned indoor air to the outside. Unfortunately, the significance of air sealing is frequently underestimated. However, when executed effectively, it can offer numerous benefits to both building occupants and owners, reduce energy costs, and facilitate the use of more sustainable heating and cooling technologies.

Aeroseal Duct: How It Works

Aeroseal Duct is designed to be applied on the ventilation and ductwork used in both commercial and residential HVAC systems. The process starts by blocking all registers and intakes to pressurize the HVAC system. Then, our automated system distributes sealant into the interior ductwork, where particles remain suspended until they encounter an air gap. Then, particles bond around the edges of the leak and accumulate sealant until the entire hole is sealed shut. Airflow and leakage rates are measured throughout the step-by-step process.
Step 1: Preparation & Setup
All supply and return registers have been taped over to prevent air from flowing through them, and the furnace and coils have been disconnected from the duct system to isolate them.
Step 2: Seal & Monitor
The equipment connects to the duct system either through an inlet hole or directly through a register. It then automatically sprays sealant through the pressurized ductwork, exclusively filling cracks and holes.
Step 3: Receive Certified Results
After completing the tasks, ensure that all equipment is properly disconnected. Any inlets should be securely patched to prevent any unwanted access. Finally, it is important to create a Seal Certificate in order to verify the results of the process.

Seal the Leaks, Secure Your Home’s Comfort with Aeroseal

Leaky ducts can waste up to 30% of your home’s heating and cooling energy, driving up your utility bills and compromising indoor air quality. At Home Comfort Alliance, we offer Aeroseal, a groundbreaking solution that seals leaks from the inside out, delivering immediate and lasting results.
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Experience the Benefits of Airtight Sealing

Cost Savings
Aeroseal is a revolutionary technology that effectively seals leaks in your ductwork, reducing energy waste and resulting in significant savings on heating and cooling costs. It improves HVAC system efficiency, providing a more comfortable home & saving on energy bills.
Healthier Indoor Air
By sealing leaks, Aeroseal creates a healthier indoor environment by preventing dust, allergens, and pollutants from entering your ducts. It also promotes a more even distribution of conditioned air, eliminating hot and cold spots and enhancing the overall indoor environment.
Maximize Efficiency
Properly sealing air is crucial for HVAC efficiency. Well-sealed ductwork ensures proper distribution of conditioned air, reducing fan runtime, cutting utility costs, & extending HVAC lifespan. Conversely, inadequate sealing can significantly decrease heat pump efficiency.
Regulatory Compliance
Building construction and retrofits must meet strict air tightness or ventilation standards to comply with regulations and obtain a certificate of occupancy (CO). Air sealing is essential for achieving compliance.

Aeroseal Technologies Stop Hidden Air Leaks

READY TO SEAL THE DEAL?

Experience the difference Aeroseal can make in your home.
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Why Choose Home Comfort Alliance?

Your Comfort is Our Promise
We promise...
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Reliable heating, air conditioning, plumbing and electrical service - all from one trusted company.
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To educate and guide you through your options so you’ll find the right solution at the right price.
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Knowledgeable and respectful workers who ensure both your own comfort during the installation process, and lasting comfort from your home systems.
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Outstanding service, communication, and follow-up, so your home is comfortable now and for years to come.
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It's a promise we've kept with thousands of homeowners across Western Washington

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Years Experience
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Installations Completed
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Comfort Club Members

What our Customers are Saying!

Don’t just take our word for it, hear from homeowners who have transformed their comfort and savings.
EXCELLENT
Trustindex star 1Trustindex star 2Trustindex star 3Trustindex star 4Trustindex star 5
Based on 5102 reviews
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David Cox profile picture
David Cox
28 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Very knowledgeable and willing to explain possible issues.
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Royal profile picture
Royal
25 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Allen was on time, friendly, and professional. He recommended a surge protector for our heat pump, explaining how it was much less expensive than most of the electrical systems within our unit. Will have Home Comfort install it shortly.
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Heather Campbell profile picture
Heather Campbell
23 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
I was SO relieved to be able to get an appointment same day to address my faulty furnace. The technician, Allen Walker, was on time, very knowledgeable, patient, and a pleasure to work with. I hope to see him again next year for furnace maintenance. Thanks again, Allen! Appreciate you taking the time to explain all the things.
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Bill profile picture
Bill
23 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Great communication. Alan arrived on time and provided great service! He took the time to explain things and provide sound advice. I highly recommend Alan.
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Larry Cline profile picture
Larry Cline
23 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Allen was great
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JK Talbot profile picture
JK Talbot
23 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Technician showed within the designated time period. Told me the order of how the componants would be serviced. He was very friendly and his truck did not block any of my vehicles (that was thoughtful). He outlined potential upgrades to make my warranty worth more (still thinking on those). Company texted well b4 Tech came, so i was ready and he completed tasks and left everything in order with no trash and a brief oral report of conditions, followed by written one in an email. JKT, a satisfied customer.
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Louise Sportelli profile picture
Louise Sportelli
22 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Anton was great. Knowledgeable and personable. Made having our furnace checked a pleasure.
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Rosemary Perez profile picture
Rosemary Perez
22 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Great service and wonderful technician. I couldn't have asked for better
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Laura Ritter profile picture
Laura Ritter
22 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Allen did a wonderful job explaining to me what was going on with my furnace and what needed to be done. He also was very helpful in explaining what the costs would be. I would recommend him.
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E. W profile picture
E. W
22 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Great furnace/HVAC tune-up! Steve was on-time, pleasant and knowledgeable.
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Eva Schoenleitner profile picture
Eva Schoenleitner
22 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Andrew did a great job servicing our heatpump and AC system, and explained how to keep it at top form for a long time. Many thanks.
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Alan Carreon profile picture
Alan Carreon
22 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Friendly and informative
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David Maack profile picture
David Maack
22 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Jorge was prompt, friendly and efficient. Great quick service! Thanks!
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JPW profile picture
JPW
22 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
The heating/cooling unit servicing one part of our home stopped working. I called Home Comfort Alliance, Bremerton, who we have used for many years to service our units. They scheduled next day service, and I was thrilled with the timely response. They sent out Brad, their top troubleshooter. He not only fixed the unit that stopped working but also performed the six month service on the other two units; changed the filters and provided a report of his findings. I cannot recommend Home Comfort Alliance enough. They are responsive and knowledgeable about the services they perform. I appreciate that Home Comfort has a top-notch service person on their staff who can investigate and solve issues on complex systems.
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Mohammad M profile picture
Mohammad M
22 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Antonio and Ruslan did a great job replacing our furnace. They were professional, friendly and knowledgeable. They cleaned up the site nicely after the job was completed.
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Darkstar7 profile picture
Darkstar7
22 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Just had our annual HVAC maintenance visit. Technician Josh did a great job, answered all of my questions and made some recommendations for future consideration.
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Jim Strickland profile picture
Jim Strickland
21 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Job well done. Very polite, let me know everything he was going to do.
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K BB profile picture
K BB
21 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Mikel & Sunny were great to work with.
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amy deshaw profile picture
amy deshaw
21 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Felt very comfortable with these expert installers. They went above and beyond. Everything explained well.
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Anuj Bahl profile picture
Anuj Bahl
20 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Great attitude and excellent work
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John Salinas profile picture
John Salinas
20 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
The regular scheduled service for our heater was performed and the service was great. Allen was professional and completed the work with no issues.
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Angela C profile picture
Angela C
20 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Steve did a great job! Home Comfort Alliance is always great and helpful when you call or they come out to work.
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John Kogle profile picture
John Kogle
20 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Excellent, professional, thorough and detailed service provided. Highly recommend!
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Wes Plate profile picture
Wes Plate
19 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Allen was great! Serviced our mini splits and provided helpful advice.
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Ed Connor profile picture
Ed Connor
19 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Bradley is simply the best. He installed the new motor on our heating unit quickly and proficiently. He is very competent and very knowledgeable. Truly a pleasure to work with. Kudos also go to Home comfort alliance because they generously assumed the cost of shipping the motor via air freight so that I would have it as soon as possible. Bradley and his company deserve the highest possible rating.
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Lois Werelus profile picture
Lois Werelus
17 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Anton serviced my furnace yesterday. He was professional and friendly. I absolutely want him to return next year. He explained his findings to me with knowledge and kindness. Thank you Anton!!
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James Park profile picture
James Park
16 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Josh was great and has helped me twice now. I highly recommend him!
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Mark Phillips profile picture
Mark Phillips
15 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Devon did our heat pump annual inspection. He was thorough and efficient. Explained how it was functioning and walked us through several thermostat functions.
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Susan S. profile picture
Susan S.
15 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Mike from Home Comfort Alliance came today to gather information in aid of providing a quote for replacing my furnace and adding AC through Costco's many services. He did a thorough inspection, explained all my options and clearly answered all my questions. Mike was very congenial and knowledgeable--an excellent person to work with. He now will be providing me quotes per my various options. In addition, my dog really liked him--an important seal of approval!
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John Prentice profile picture
John Prentice
15 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Allen did a great job!
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James Epting profile picture
James Epting
15 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Semperfi
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danrung vanichkul profile picture
danrung vanichkul
14 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
The technician Dan was very knowledgeable and kept us informed of his progress. He finished in a timely manner and answered all questions. I highly recommend his services.
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A.M. Medina profile picture
A.M. Medina
14 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Great to see Dan again Nice job Good work
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Wayne or Dale Schumacher profile picture
Wayne or Dale Schumacher
13 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Allen Walker did a great job. Professional, personable, on time, and thorough. Good to see him again!
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Nancy Tifft profile picture
Nancy Tifft
13 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Mike & Ina did an exceptionally professional job installing our new HVAC system. They were very competent knowledgeable and personable. They answered all of our questions and left the job site pristine.
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Sally-Jo Nardone profile picture
Sally-Jo Nardone
13 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Dylan was Friendly efficient, informative just Overall, an excellent technician highly recommend him. He’s an asset to your company.
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Maria Donigian profile picture
Maria Donigian
12 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Brad was fantastic! He is a problem solver, he's fast and friendly and most importantly got our heat issue solved. We are super grateful.
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Tom Kauzlarich profile picture
Tom Kauzlarich
10 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
the new furnace installation went well. Samuel did a great job and was friendly, took care in our home and walked us through everything we needed to operate the new system. Thank you for a seemless transaction.
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Michael Fong profile picture
Michael Fong
10 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Worked efficiently and did a good Job.
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Elspeth Werle profile picture
Elspeth Werle
9 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Steve arrived on time and worked steadily and efficiently to insure that our heat pump and two mini-splits were in top working order. Thank you!
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Wayne Mc Kenna profile picture
Wayne Mc Kenna
9 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Really
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TONY URIARTE profile picture
TONY URIARTE
9 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
ANTON from HOME COMFORT ALLIANCE DID A GREAT-THOROUGH JOB AS USUAL. HES BEEN HERE BEFORE & WE ALWAYS ENJOY HIS SERVICE, VERY PROFESSIONAL & COURTESY & TOOK CARDBOARD WITH HIM, THANKS ANTON...!
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Markus profile picture
Markus
8 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
He was very knowledgeable about the units. He serviced the unit quickly and was very professional.
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SHIRLEY noonan profile picture
SHIRLEY noonan
8 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
On time and very professional. Looked at all my concerns in a professional manner. Every friendly.
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W and M profile picture
W and M
8 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Jorge did a great job servicing and doing maintenance on our Carrier heat pump. He arrived on time, wore shoe protectors indoor, was efficient and fast. He was pleasant and knowledgeable as well.
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Arun Kumar R profile picture
Arun Kumar R
7 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Sam and Mario did a fantastic job installing our new gas furnace. They demonstrated great customer service and the attention to detail: they put new gas valve, power supply for in-duct purifier, condensing water pump, new filter cabinet + filter that Sam had to step out to shop for, etc. They even upgraded our thermostat's wiring to match the new 2-stage furnace (without hard-defining a timed cutoff on the filter board). I appreciate very much that they did these without us having to ask or monitor, but rather to do a high-quality job (they worked for 6+ hours and took care of everything!). Thank you folks for the great job! We also a good experience with the initial consultant (Vince) who did a thorough job of estimating our new furnace specs. We found them through Costco (Lennox). Our pricing included the 15% costco cash card; their overall quote was reasonable and competitive as well (lower than some of the other quotes we had). We are very happy with the install and service, and would happily recommend this business.
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Marcus Pederson profile picture
Marcus Pederson
7 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Annual inspection. Technician was polite and professional.
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Al Robinson (Bluestreak57) profile picture
Al Robinson (Bluestreak57)
7 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Tyler let me know he was coming, arrived as expected, and did an amazing job for us! I appreciate his advice and guidance given our system is 26 years old and still performing well!
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mega mannn profile picture
mega mannn
7 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
A/C service Great customer service Cody Technician is knowledgeable and professional
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Shuchin Cheng profile picture
Shuchin Cheng
6 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
well done!