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Committed to Excellence

                   Chill Shield Video

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Your Window AC Air Leakage Solution

No more removing the window AC or wrapping the through the wall AC before the winter Season. Just Install the Chill Shield and start saving money. Just install the Chill Shield once and remove the cover during the summer months. 

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Poorly fitted air-conditioners cost buildings in New York City $130 million to $180 million a year in extra fuel consumption, which in turn is linked to an extra 375,000 to 525,000 tons of carbon dioxide emissions.

NY Times



Your Dormant/Empty Through The Wall AC Sleeve Air Leakage Solution.

The best way to stop air infiltration in your dormant AC Sleeves. Insert the Sleeve Sentry to air seal the sleeve and start saving money.

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Window Sentry achieves the same result as if you removed the air conditioner from the window and closed it. We are impressed with the result. Congratulations on developing a viable solution to a very significant problem in NYC and beyond

Steven Winter and Associates

Meet Our Partners

Green Sentry Solutions is proud to participate in several local and national organizations that are focused on making our planet a greener, cleaner, and more beautiful place to live.
Please let us know if you share our vision of a safer, greener, healthier planet and would like to join our shared links program.



"The Building Owners & Managers Association of Greater New York (BOMA New York), is the Greater New York area’s federation of BOMA International, the world’s largest trade association."



"NYSWDA, a 501c3 nonprofit association, is the leading provider of building science training in New York State and New England."

Urban Green Council

Urban Green Council

"The mission of Urban Green Council is to transform buildings for a sustainable future in New York City and around the world."

Mark Group

Mark Group

"Renewable Energy Technologies - Energy advice and installation company, who focus upon energy efficiency."

Association for Energy Affordability, Inc.

Association for Energy Affordability, Inc.

"The Association for Energy Affordability, Inc. is dedicated to achieving energy efficiency in new and existing buildings in order to foster and maintain affordable and healthy housing and communities, especially those of low-income."


New Rochelle, NY


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