A catalog of over 65,000 parts.

Window, door and skylight repair, maintenance and replacement on the Seacoast of New Hampshire and Maine. We make house calls.

Call 800-798-8771 Email us today
A pegboard wall hung with hundreds of bagged and labeled window and door parts
Window and door hardware, bagged and tagged on the shop wall.

What we work on

The Window Doctor is a company committed to meeting the homeowner's needs, and is locally owned and operated in Somersworth, New Hampshire.

Maintenance and repair

Residential door, window and skylight service.

Glass replacement

Window, door, decorative, skylight and tempered glass.

Screens and storm products

New screens, screen repair, storm doors and energy panels.

Window and door hardware

Balances, operators, hinges, locks, handles and weatherstripping.

Rot repair

Window sash, sill, exterior trim and door jamb rot.

Replacement windows and doors

Installed by insured and certified installers.

Window sashes laid out on sawhorses during restoration work
Sash out of the opening, on the horses.

Most repairs come down to one small part

That is why the catalog matters. Here is what gets replaced.

Double-hung windows

Spiral balances. Block and tackle. Tape balances. Tilt latches.

Casement and awning windows

Operators. Hinges. Locks. Handles.

Doors

Patio door wheels. Replacement door hardware.

Ropes, pulleys and weatherstripping

Ropes and pulleys. Weatherstripping for doors and windows.

Rot

Window sash rot. Window sill rot. Exterior trim rot. Door jamb rot.

Glass replacement

Residential glass service.

  • Window and door glass
  • Decorative glass
  • Skylight glass
  • Authentic antique glass, sizes vary
  • Tempered and laminated glass
  • New window screens

In summer months, Low-E glass helps block unwanted solar heat gain.

In winter months, Low-E reduces heat loss by reflecting warm air back into your home.

A pane of tempered safety glass shattered into a web of small pieces, with a parked car visible behind it
Tempered safety glass, broken.
A double-hung window with its muntin bars set aside during a repair
Double-hung repair
A window opening masked off with sheeting and drop cloths during a job
Work area covered
Two dark storm and screen doors installed on a clapboard house
Storm and screen doors
A room with a sliding patio door and a glazed gable wall looking out to a deck
Sliding patio door
Wood French patio doors with sidelights, seen from a covered entry
Wood French doors, hung and finished.

Replacement Windows, Doors and Skylights Done Right by Insured and Certified Installers.

Replacement windows. Replacement doors. Replacement skylights. If the repair no longer makes sense, we quote the replacement instead, and the estimate is free.

Brands we carry

Alside Therma-Tru Andersen Velux Brosco Marvin Simpson
Over 35 years of experience In window and door maintenance, repair, and if needed, replacement.
2024 Official Community's Choice Awards Best of the Seacoast.
InstallationMasters certified Window and door installer certification. Certified installer: Duncan Hansen.

We make house calls.

Email us today to schedule a house call, or pick up the phone. Free estimates.

Call 800-798-8771 Email us today

Serving the Seacoast of NH, ME and the surrounding areas.

Locally owned and operated in Somersworth, New Hampshire.

info@windowdoctornh.com

The Window Doctor, Somersworth, NH 800-798-8771