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Why Air Seal?

Weatherizing your home improves comfort year-round and leads to a lifetime of energy savings and lower utility bills. NYS Energy Audits provides award-winning air sealing services throughout New York City, Long Island and Rockland, Orange, and lower Westchester Counties.

Our promise is simple: We’ll be in and out of your home in a single day, but you’ll feel the benefit for the next 30 years!

The Benefits of Upgraded Insulation and Air Sealing

Happy family on couch
  • Lower heating and cooling bills
  • Addresses summer and winter comfort issues
  • No more indoor drafts
  • More even room-to-room temperatures
  • Less wear and tear on your HVAC system
  • Healthier indoor air quality

Air Sealing

Hands using a caulk gun to apply sealant on cracks near a window sill

Air sealing is the process of identifying and closing gaps, cracks, and leaks in your home’s windows, doors and basement. These small leaks might seem harmless, but together, they can add up to the equivalent of leaving a window wide open all year round.

At NYS Energy Audits, we specialize in air sealing as a core part of our weatherization services — improving your home’s energy efficiency, comfort, and health.Openings, gaps, and holes around your house let air enter and exit, making your home an uncomfortable place to live. Air leaks around windows and doors, recessed lighting, and the attic access hatch can all be responsible for high energy bills. Air sealing closes these gaps and holes, reducing energy waste and preventing indoor drafts.

Family entering sunny home

Windows, Baseboards, and Doors

The main problem with windows, baseboards, and doors is not the material that has been used to make them, but improper installation. Air and heat are allowed to infiltrate or escape your house through gaps between the wall and the door or window frame. Proper insulation and air sealing protect your home against uncomfortable indoor drafts.

Plumbing Penetrations

Almost anywhere that piping moves in and out of your house, there is a gap that wastes energy. Insulating and sealing your plumbing penetrations fixes these air leaks and makes your home more comfortable year-round.

Mother and daughter hugging

Attic Access Doors & Hatches

Few attic access doors and hatches we see in New Yorkers’ homes are properly insulated or air tight. This lack of insulation and air sealing allows heat to escape up into the attic in the winter and brings hot air into the home in the summer.

Air Seal Your Home for Free with EmPower New York

NYS Energy Audits can help income-qualified homeowners and renters take advantage of 100% NO COST energy efficiency improvement upgrades like insulation and air sealing.

The EmPower New York program is 100% covered by state and utility funding. There is no application fee and no processing fee. We are the largest downstate contractor that participates in the program—learn more about income eligibility on our EmPower program page, including how to apply.

Why Air Sealing Matters

Without proper air sealing, your heating and cooling systems have to work overtime to maintain indoor temperatures, costing you more money and wearing down your equipment faster. Benefits of air sealing include:

  • Lower Energy Bills – sealing air leaks reduces energy waste, which translates directly into savings on your monthly utility costs.
  • Increased Comfort – say goodbye to drafty rooms, cold floors, and hot spots. Air sealing helps keep temperatures consistent throughout your home.
  • Improved Indoor Air Quality – by preventing outdoor pollutants, allergens, and moisture from entering your home, air sealing supports a healthier living environment.
  • Better HVAC Performance – when less air escapes or enters through leaks, your HVAC system doesn’t need to work as hard — extending its life and reducing maintenance needs.
  • Moisture & Mold Prevention – sealing air leaks helps prevent excess humidity from creeping into walls and insulation, which can lead to mold growth and structural damage.

Where Are the Leaks Hiding?

Air leaks are most commonly found in:

  • Around windows and doors
  • Plumbing penetrations
  • Recessed lighting
  • Attic access hatch

Our team uses professional tools such as blower door test to find even the smallest leaks — and seal those effectively using industry-grade materials.

Make Your Home Tight, Right, and Efficient

Air sealing is one of the most cost-effective energy upgrades you can make. Whether you’re
dealing with high energy bills, uncomfortable rooms, or poor indoor air quality, air sealing is a
smart solution.

Contact NYS Energy Audits today to schedule a home assessment. We’ll find the leaks, seal them up, and help you enjoy a more comfortable, efficient, and healthy home. Because a well-sealed home is a healthy home.

Ready to seal the leaks and improve your comfortability at home? Call or text 718-372-3000 today to schedule a home energy audit with our team.

On behalf of myself and my wife, we would to thank you and your partners very much for your professional customer service and your repair work at our home….You were… Read more “Exceptional Care & Terrific Customer Service”

Ari

Thank you for the great job that you and your team has done at our property. We are very satisfied with the job and the results. Your team was very… Read more “Professional and Thorough”

Victor

We are truly satisfied with the work done in our home. The workers worked quietly, efficiently and clean. Thank you for a job well done!

Michael

I wish to take this opportunity to thank you for the work done on my premises today. The crew was polite, professional and informed me regarding each procedure done for… Read more “Polite and professional”

Joe

They are very proficient and very clean. They are very friendly. They have knowledge about what they do. They clean everything when the job is done. I am very thankful.

Amit

I want you to know how grateful I am to have my house insulation done through EmPower NY. It’s such a great feeling to know that such a needed program… Read more “Very respectful and supportive”

Ceciley

Thank you for sending your wonderful team for the insulation. They did an amazing job, quick, efficient and very fast. They left the place neat and clean. Excellent work. Thank… Read more “Wonderful team”

Alexander
2025 NYSERDA QHC Designation
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