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New England's Source For Windows & Doors

The Best Windows. The Best Price.

Are you a homeowner in New Hampshire, Southern Maine, or Massachusetts looking for new windows? Then Window Source is the perfect destination for you. We offer the highest-quality replacement windows available at factory-direct pricing. We guarantee our customers get a premium, energy-efficient product for a fraction of the cost of our competitors' models. No need to shop at the Big Box stores ever again. That's the Window Source advantage. Need more than just windows? We also specialize in sliding doors, patio doors, and vinyl siding. Just fill out the quick form below and we'll have one of our friendly sales professionals contact you right away.


FREE 30-Minute In-Home Estimate

CALL TODAY 866-691-5061

REQUEST AN ESTIMATE

The Best Windows. The Best Price.


Highly Reviewed. Local Installers. A+BBB Rated. We Stand Behind Our Work With a Lifetime Warranty. Best Price Guaranteed. We Won't Be Undersold. We'll Beat Any Competitors Written Quote. Call Now for a Free In-Home Estimate!

866-691-5061

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Our Happy Customers!

Michael Schindelman


Very pleased with The Window Source. Quality product and installation with customer satisfaction a top priority!

Lori Hurley


Friendly, professional, worked fast and cleaned up when they were done, and the best price we found.

Moench Gladbach


Fantastic Company!! The installer that installed my windows was the hardest working person I have seen in many years. He worked straight thru until everything was done. My neighbors saw the work that was done on the outside and inside and could not get over what a great job!! I am extremely happy with my new windows, prompt, courteous and excellent service. Planning on getting some more windows done by the same Company.

Jennifer Jansen


Ryan Jansen and I were noticing that we barely knew there was a storm last night because of our new windows and siding. What wind?! Shout out to Skip Longacre and his crew for amazing work!

Amantha Moore


We are very pleased with the work done by Craig at Window Source. He worked without pause and cleaned up as he went along. Next time we need windows, we will call Window Source. AJM, Newburyport

Nancy Noble


Had windows put in today from Window Source Seabrook NH. They were done by Greg, he was excellent, very professional, clean and did a great job!! More than thrilled at his great work at our house!! Thank You Greg!!

OUR PRODUCTS


Request Your In-Home Estimate Today


Free in-home estimate in 30 minutes or less. Get in touch with us by calling the number or filling out the form below

Your Reliable Local Window, Door and Siding Installer


Free In-Home 30 Minute Estimate

100% Transferable Lifetime Warranty

Professional & Courteous Installers

50 Years of Combined Experience

100% Green & Energy Efficient

Family Owned & Operated

Awards & Certifications

New England's Source For Windows & Doors


The Best Windows. The Best Price.

Call: 866-691-5061


Request A Free In-Home Estimate

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Seasonal Special:

Furnace Safety Inspection – Only $39.50

Seasonal Special:

Furnace Safety Inspection – Only $39.50

$57 OFF

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