Replacement Windows

Replacement Window Company Serving Methuen, Andover, Haverhill & Nearby

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Why Choose Us

  • Energy efficient replacement windows done right
  • We air seal and insulate each window for optimal results
  • Free Estimates!

Affordable replacement window installation in Massachusetts & New Hampshire

Installing replacement windows is a major investment, but it's an improvement that homeowners appreciate for numerous reasons.

Dr. Energy Saver, A Blackdog Affiliate provides replacement window installation in Andover, Haverhill, Methuen, as well as the surrounding areas of Andover, Haverhill, Methuen.

Before and After
  • Basement Window Replacement in Peabody, MA
    Basement Window Replacement in Peabody, MA

    This home in Peabody, MA called us to have their basement window replaced with one of our custom-fitted Everlast Basement windows featuring Low-E glass! 

  • Sunrise Double Hung Replacement Windows in Peabody, MA
    Sunrise Double Hung Replacement Windows in Peabody, MA

    This family in Peabody, MA was experiencing drafts through this window in their home. We installed a New Sunrise Window that comes with a lifetime warranty that is transferable to the next home owner. 


We specialize in window replacement to make your home more appealing and comfortable!

Learn more about our replacement windows

How do you know if you need new windows? What makes a replacement window truly energy efficient? Watch this video for answers to your questions about replacement windows.

Are the windows in your house more than 20 years old? Are you uncomfortably cold during the winter when you're standing by a window? If your windows have insulated (double-pane) glass, is there condensation between the panes? Are your windows made of wood that requires painting? Do you have trouble opening, closing or locking your windows?

If you answered "yes" to any of these questions, you might be a candidate for replacement windows.

Get the best in beauty and energy-saving. From initial window measurements to the final window installation, our skilled installers make sure your new windows look beautiful and perform perfectly.

Here are the major benefits of installing replacement windows:

Beautiful windows that have been replaced
  • Energy savings. If you replace old single-pane windows with ENERGY STAR® qualified replacement windows, including low-e glass windows, it's possible to save around $500 per year on heating and cooling costs, according to the Dept. of Energy Savings will be greatest in the northern regions with cold winters.
  • Comfort and convenience. Instead of staying clear of drafty old windows, you can move your furniture closer to the view outside. Since your new windows will be easy to operate, you'll use them more often to enjoy natural ventilation.
  • Curb appeal. New windows can really transform a home's appearance. You'll appreciate this benefit while you're in the house and when it's time to sell.
  • Low maintenance. While old-fashioned wood windows required regular painting and even re-glazing, today's top-quality replacement windows are made from materials (vinyl, fiberglass and aluminum) that are super-durable and maintenance-free.
  • More security. The solid, secure locking action on new windows is a big improvement over older window locks.

When you choose us as your window replacement company, you can rest assured that you are getting the best value and results. When installing replacement windows, we make sure that the window is designed and sized to fit inside the frame (jamb) of an existing window.

If the existing window sill, side and head jambs are in good condition, this frame can remain in place. Only the sash units (which contain the glass) are removed, and the replacement window unit is installed in the resulting opening.

Start with a Free Estimate from MA & NH's expert window replacement company

Call 1-888-370-6924 or contact us online to schedule a home inspection and free replacement window estimate in Haverhill, Methuen, Andover, Reading, Wilmington, Methuen, Tewksbury, Chelmsford, Wakefield, Dracut and nearby. As Eastern New England' home energy improvement and home insulation company, we also offer a comprehensive home energy audit and Free Estimates for spray foam, attic insulation, air duct sealing and more.

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