Aeroseal Duct Sealing in Massachusetts

Put your Ductwork to Work

Properly sealing ductwork can save you 20-30% on your utility bills! Keep the air you’re paying for indoors with Aeroseal! The non-toxic, non-destructive way to improve your HVAC system’s heating and cooling efficiency!

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Aeroseal Service includes:
  • Pre-Aeroseal duct air loss assessment
  • Minor duct cleaning to ensure sealant is able to be applied fully
  • Aeroseal product will be sent through ducting, sealing 95% of all air leaks
  • After-Aeroseal duct air loss assessment to ensure product efficacy
  • Optional preventative HVAC maintenance at reduced cost if scheduled for the same day

Aeroseal FAQs

What is Aeroseal duct sealing?

Aeroseal is a patented duct sealing process that sends a non-toxic polymer sealant through your ductwork, sealing up to 95% of air leaks from the inside without cutting into walls or ceilings. It’s the most effective way to stop conditioned air from escaping before it reaches your living spaces.

How much can Aeroseal save on my energy bills?

Properly sealed ductwork can reduce your heating and cooling costs by up to 30%. Most homes lose a significant portion of conditioned air through leaky ducts, so sealing them is one of the highest-impact improvements you can make to your home’s energy efficiency.

How do I know if my ducts are leaking?

Common signs include rooms that are hard to heat or cool, high energy bills despite normal usage, excessive dust on vents or furniture, and inconsistent temperatures throughout the home. Endless Energy performs a pre-Aeroseal air loss assessment to precisely measure how much air your ducts are losing before any work begins.

How long does the Aeroseal process take?

A typical Aeroseal treatment takes 4–8 hours from start to finish, including the pre-treatment air loss assessment, the sealing process itself, and the post-treatment verification to confirm effectiveness.

Is Aeroseal safe for my family and pets?

Yes. Aeroseal is non-toxic and has been tested and certified for use in residential HVAC systems. The sealant is the same type of polymer used in common household products and poses no health risk to people or pets.

How long does Aeroseal last?

Aeroseal carries a 10-year warranty and is tested to maintain its seal for 40+ years under normal operating conditions, making it a long-term solution rather than a temporary fix.

What's the difference between duct sealing and duct cleaning?

Duct cleaning removes accumulated dust, debris, allergens, and contaminants from inside your ductwork to improve air quality. Duct sealing (Aeroseal) closes the gaps and leaks in the ducts themselves to prevent conditioned air from escaping. Endless Energy offers both services, and scheduling them together on the same day qualifies for a reduced rate on preventative HVAC maintenance.

How Much is Aeroseal duct sealing?

For a standard size residential ducted system, Endless Energy offers Aeroseal at $2,999 for the first system and $1,899 for additional system. Zoning and other nonstandard setups may result in additional costs.

Consider Adding Full Service Duct Cleaning

Improved indoor air quality

Cleaning the ductwork removes pollutants like pet dander, dust, chemicals, and pests, enhancing the air you breathe and protecting your family’s health.

Increased HVAC unit efficiency

Removing dust and debris from the ducts allows for better airflow, optimizing the performance of your HVAC system and reducing energy consumption.

Elimination of odors

Cleaning the ductwork removes pollutants like pet dander, dust, chemicals, and pests, enhancing the air you breathe and protecting your family’s health.

Reduction of irritants

Regular duct cleaning prevents allergens and microorganisms from circulating, improving air quality and reducing allergic symptoms and asthma attacks.

Prolonged lifespan of HVAC unit

Cleaning the ductwork prevents strain on the system, reducing breakdowns and extending the lifespan of your HVAC unit.

Longer-lasting air filters

Regular duct cleaning reduces dust accumulation, extending the lifespan of your air filters and reducing the need for frequent cleaning or replacement.

Read our 5-star reviews on Google.

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Based on 528 reviews
I am one of the few that do take reviews very serious, if I give you 1 you deserve a 1 and if I give you a 5 you definitely deserve a 5. I got my system installed in October and had a manufacture defect in February. Miscommunication took place between the company and I and it got to the owner he reached out out to me after hours 11:30pm apologizing and did promised that first thing in the morning I was going to heard from the team to get a time frame which was Monday, I told my husband maybe he only promising me
To calm me down, no he was not by Wednesday his team was up replacing my whole system. I am
Sorry I don’t get the technician names but they work all day making sure I was up and running properly. Thanks to them and the Owner Matt. He do value his customers and listen to their cry. As a business owner myself that was a top notch for me. Definitely will be sending more customers your way. Thank you endless energy
Garrett did an excellent job servicing our heat pump. He was extremely knowledgeable and took the time to explain everything clearly, making sure I understood what was going on and what to expect moving forward. His professionalism and attention to detail really stood out. It’s refreshing to work with someone who not only knows their craft but is also great at communicating it. Highly recommend Garrett for anyone needing HVAC service.
Garrett came to service our heat pump that wasn't working. He quickly and efficiently diagnosed that the breaker was not giving off any power to the system. He was extremely thorough, professional, knowledgeable and one of the most pleasant people I have ever had service my home. Saying we are satisfied would be an understatement. Garrett is excellent at his job!
I had an energy assessment done at my home in Winchester by Endless Energy, and the experience was outstanding — especially thanks to Brendan.

Brendan was extremely thorough, professional, and detail-oriented. He carefully inspected every area of the house and took the time to clearly explain the current energy efficiency conditions, potential issues, and recommended improvements.

I truly appreciated his patience in answering all of my questions. His explanations about insulation, air sealing, and energy savings options were very informative and helpful for planning future upgrades.

If you are considering insulation or any energy efficiency improvements, I highly recommend requesting Brendan from Endless Energy. The service was knowledgeable, honest, and genuinely customer-focused.
Response from the owner:Thank you for the high praise! It's wonderful to hear that you're happy with our service.
Response from the owner:Thank you for the review!
Eydin Gomez was very helpful and informative.
Response from the owner:Thank you for the high praise! It's wonderful to hear that you're happy with our service.
Gavin and his team were knowledgeable, professional and quick to respond to our emergency.
Response from the owner:Thank you for the high praise! It's wonderful to hear that you're happy with our service.
Response from the owner:Thank you for the high praise! It's wonderful to hear that you're happy with our service.
great service for a MassSave audit with Markus Atamian with Endless Energy. He was professional, friendly, on time, and thorough. All issues and process steps were clearly defined and explained. Program incentive saved us over $2,500.
Response from the owner:Thank you for the high praise! It's wonderful to hear that you're happy with our service.
Keep Allergens Outside
Aeroseal infographic - how it works using a home diagram

Keep Cool with Endless Energy

Keep your home cool while it counts with energy efficient heat pump technology!

Cool Down with Heat Pumps

  • No lugging those bulky AC window units to and from storage this year!
  • Heat Pumps operate 40% more eiciently than traditional air conditioning units. This saves you money on your utility costs!
  • Available rebates up to $10,000!*
  • 0% Financing options available with the Mass Save® Heat Loan*

*Eligibility requirements apply

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