Window Replacement in Manchester

We offer a large range of windows for all types of projects. We have a huge selection of windows so we can find the right fit every time, or let us custom fit our large windows to your space.

Whether you want to keep out the cold or have the freedom to let in just enough of fresh, New Hampshire air, great windows help make it happen. Windows don’t have to cost an arm and a leg to replace your old, inefficient ones for state-of-the-art, energy-efficient ones.

With numerous style options combined with expert installation and support by our team, you will always enjoy convenience, energy efficiency and durability from your new windows.

About Our Window Installs

Since 1967, we’ve helped customers select the right windows for a wide variety of scenarios and budgets. Today, one of the most popular choices in regards to materials used in window replacements remains to be vinyl. Vinyl windows are just as easy to clean as vinyl siding and easily stand-up to New Hampshire’s rough winters. We also frequently install wood windows, bay windows, bow windows, garden windows and a various range of double- and triple-glazed windows with high-energy specifications.

A man is installing a window in a wooden room.

New Construction Windows

New construction doesn’t have to be hard. We strive to make the entire window installation (and selection) process incredibly easy. With C. Gosselin Siding & Windows, competitive quotes, careful service, and products that guarantee long term quality help us make your new home stand-out and stand-up to the elements for years to come.

A man is installing a window in a house.

Custom Shape Windows

We offer a range of custom sizes and shapes to replace or create into an existing opening. All windows are heat welded to ensure strength in each unit. All shapes can be fitted with custom interior trims to match the shape of the unit being installed. Custom units are made for commercial applications and residential.

A bunch of windows are stacked on top of each other in a room.

Manchester's Leading Window Supplier

As a premier local window supplier, we have what it takes to ensure you buy the right product(s) for your specific needs. Let us help you decide on the right windows for your home; from traditional double-hung options, to resilient storm models, to big bay windows, and beyond. We want to help your home look its best and be as energy efficient as possible.

Popular Window Types We Carry

Nature's Symphony

Breathtaking colors of our planet

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Popular Window Styles

A living room with a large window looking out to a snowy forest

Bay Windows

Designed to project outward from an outside wall; allowing for better views from inside the home.

A large window with a view of a lake and mountains

Bow Windows

Similar to bay windows, bows are typically constructed with four or more angeled projections.

A living room with a large window and a vase of flowers on a table.

Picture Windows

Large-pane windows that provide unobstructed views from the comfort of a common area.

A kitchen with potted plants on a window sill

Garden Windows

Designed to allow for a lot of sunlight and ample shelf space - ideal for growing indoor plants.

A gray and white house with a blue sky in the background

Specialty Windows

Prebuilt or made-to-order windows that fit untraditionally-shaped openings, i.e. round spaces.