James & Whitney Co is your full service exteriors company, from the peak of your roof to your bathroom windows, we are here to serve the exterior of your home.

Looking to bring more light into your home? Look no further!

If your home needs a professional skylight or window replacement in Maine or New Hampshire, James & Whitney Co. is here to deliver quality customer service and an excellent finished product.


Let our team help you choose the right
materials for your home.
We partner with the best in the industry to ensure
you and your home are safe from the elements!

Let's replace those old leaky windows, with something more energy efficient!


Bring more light to your home, with VELUX Skylights & Roof Windows!


Attention To Detail
Let our team of expert window specialists bring life back to your home with energy efficient windows from Harvey and Marvin!

Attention To Detail

Energy Efficient
Tired of drafty windows, that don't protect your home? We're here to help!

Energy Efficient

Your Window Specialist

Our expert team of window specialists in New Hampshire and Maine are here to help you! See the brands we partner with and why we love them!


Skylights and roof windows from VELUX make for a beautiful addition to your home, illuminating your space with natural light and making it appear more spacious.At James & Whitney Co. we are certified experts in the installation and maintenance of VELUX skylights & roof windows, meaning you can trust us with all of your skylight-related needs.

James & Whitney Co. offers a variety of VELUX skylight options, including the Solar Powered, Manual, Electric "Fresh Air" Skylights, Fixed Skylight, Flat Roof Skylights and Roof Windows. Each of the “Fresh Air” Skylights are able to be opened to allow for open air flow, while the fixed and flat roof skylights are designed only to bring in natural light. A complete line of complementary skylight accessories are also available through VELUX.

One unique feature of all of the “Fresh Air” skylights is the ‘No Leak Promise’, which offers a 10-year warranty on installation and 20-years on glass. As for the Electric and Solar “Fresh Air” Skylights, they offer a rain sensor feature that will close your skylight automatically if inclement weather arises.

If you have further questions pertaining to Velux skylights, refer to your James & Whitney exterior specialist.

Harvey Windows, a leading manufacturer in the fenestration industry, is renowned for its commitment to quality, innovation, and sustainability. Specializing in the production of high-performance windows, Harvey has consistently demonstrated a dedication to crafting products that not only enhance the aesthetic appeal of homes but also prioritize energy efficiency and durability. Plus, their windows are made right here in Londonderry, NH!

With a diverse range of window styles, including double-hung, casement, and awning windows, Harvey caters to various architectural preferences while maintaining a focus on functionality. The company's windows are engineered to meet or exceed industry standards, incorporating advanced technologies that contribute to energy conservation and reduced environmental impact.

Beyond their impressive product line, Harvey Windows is recognized for its exceptional customer service, providing homeowners with informative resources and support throughout the window selection and installation process. As a brand synonymous with reliability and excellence, Harvey Windows continues to be a trusted choice for those seeking top-tier windows that seamlessly blend performance and aesthetics in the modern home.

Marvin Windows stands as a beacon of craftsmanship and innovation in the realm of architectural fenestration. Renowned for its unwavering commitment to excellence, Marvin has seamlessly blended timeless design with cutting-edge technology.

With a diverse range of window styles, from traditional double-hung to contemporary casement and beyond, Marvin caters to the discerning homeowner seeking both aesthetic sophistication and high performance. Each window is a testament to meticulous attention to detail and a passion for quality, ensuring that every installation becomes a masterpiece in its own right.

Marvin's dedication to sustainability further distinguishes the brand, as it embraces environmentally conscious practices in manufacturing. Beyond the physical product, Marvin fosters a culture of collaboration and customer-centricity, offering personalized solutions and unparalleled support. In the world of windows, Marvin's legacy is one of enduring elegance, technological advancement, and a steadfast commitment to transforming spaces into timeless works of art.

Windows Gallery

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James & Whitney Co.

We would love to speak with you about your project!

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Have another question?
Give Our Office a Call: 207.869.5062