Mercury Excelum Vinyl Windows

Since 1953, Mercury Excelum has been a trusted and dependable name in exterior building products throughout New England. Whether you’re searching for the perfect energy efficient vinyl window or seeking to enhance your home with durable maintenance free vinyl siding, fencing, railing, entry doors and more, we can help! With a commitment to product excellence and outstanding customer service, Mercury Excelum is your premier source for quality building products.

Mercury Excelum, Incorporated (MEI) was founded in Connecticut in 1953 as a manufacturer of premium quality aluminum storm windows, storm doors and related exterior building products. Our products are manufactured at our state of the art manufacturing facility located on 23 acres in East Windsor, Connecticut. We ship from the Hudson Valley and Westchester Counties in New York up through New England.

Throughout New England and New York, MEI enjoys an established reputation for outstanding customer service, and high quality products ensuring lasting quality and value.


Mercury Excelum Harmony Series Vinyl Windows


The Mercury Excelum’s Harmony Vinyl Replacement Window Series offers truly superior performance with exceptional style and beauty.   The Harmony Series’ superior performance characteristics greatly reduce your energy consumption to heat and cool your home while offering the style and detail to add beauty and elegance to your home.

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Mercury Excelum Double Hung Advantage Series Vinyl Windows


The Mercury Excelum Advantage  vinyl double hung replacement window offers a wide variety of style and color options including exterior color options and wood grain interior options including simulated Oak or Cherry.   Our fully-welded sash and frame design provides a one piece sloped sill with a superior drainage system.

Advantage windows are available in a variety of window styles, including: double hung, casement, awning, picture, hopper, slider and designer shape windows.

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Mercury Excelum Double Hung Thermo-Vyne Series Vinyl Windows


The Thermo-Vyne series mechanical vinyl replacement windows offer the Energy efficiency you want at a price point geared towards the more price conscience consumer. Thermo-Vyne replacement windows give you the enduring strength of solid vinyl structural components.

Thermo-Vyne windows are available in a variety of window styles, including: double hung, casement, awning, picture, hopper, and slider.

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