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Specializing in Quality Workmanship for Over 55 Years


Serving New London & Nearby Areas

Professional Window Replacement and Installation in New London

Window replacement is one home-remodeling project which brings a high return on investment. Some studies show that homeowners can often get back up to 75% of their costs when selling their homes. It also improves energy efficiency, both in the winter and summer, by keeping more of the heat or cool air in your home. Talk to G.A. Denison & Sons, Inc in New London about vinyl replacement windows. We are a window contractor with over five decades of experience.

Choose from Classic Single- & Double-Hung, Picture, Bay or Garden Styles

Consider one of these styles of window installation:

a home with large pretty clean windows
  • Double hung - a style where both sashes slide vertically
  • Single hung - one sash is fixed, and one opens vertically
  • Casement - a side hinge which lets the window open outward for a cross breeze through the home
  • Picture - this style doesn’t open, but it does allow more light into the home
  • Slimline picture windows - a smaller frame for maximum glass surface to allow the most light
  • Bay windows - windows which project out of the wall, most commonly in a set of three angled windows
  • Bow windows - another combination of windows which appear to be arched
  • Garden windows - a window box which can include vents and shelves for plants
  • Sliding glass doors - for patios, bedrooms or any room where you need another entrance and more light

Serving Southeastern Connecticut Homes & Businesses

For window replacement, carpentry and siding installation, call the window company of G.A. Denison & Sons, Inc in New London and Southeastern Connecticut at 860-388-3567 or 860-443-6541. When we work for you, you see the owner on-site every day. We want you to be happy with the job we do for you.

G.A. Denison & Sons, Inc
131 Cedar Grove Ave.
New London, CT 06320
P.O. Box 550
New London, CT 06320

Phone: 860-388-3567
Phone: 860-443-6541
Fax: 860-440-3592

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Professional License Number: 566806

Angie’s List 2013, 2014, 2015
Super Service Award Winner