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.

Excellent
Endless Energy
Based on 520 reviews
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.
We installed a high-efficiency boiler about ten years ago but the company went out of business immediately afterwards. We have been looking for someone to service it, but the plumbers who saw it seemed to have no idea how to deal with it; turns out it is not a common home-type boiler. I searched high and low for a knowledgable person to help with this, and Donald at Endless Energy was the guy. He quickly identified the problem, which was that our boiler was a fancy (who knew!) early model of a high efficiency home boiler, which did not find a broad market at the time, not until it was redesigned and lowered in price. So most plumbers had never seen it. Donald's deep experience with boilers of all sorts, and his interest in the industry, enabled him to do the maintenance quickly and efficiently.We were extremely impressed with his really smart assessment of the situation, his professionalism, and his thoroughness. This was by far our best experience with a home repair in 35 years.
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.
Garret was easy to work with and did a great job.
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 appointment and explained very well how to improve efficiency of our heating system and insulation.
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.
Had an energy assessment done, wonderful experience, great staff and very knowledgeable
Response from the owner:Thank you for the high praise! It's wonderful to hear that you're happy with our service.
My technician, Eydin Gomez, was thorough, professional, and explained things well, which I appreciate. I'm really happy with the work he did and look forward to warmer winters!
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

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