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Front Door

Do You Need A New Front Door For You New England Home?

Hello, and welcome to The Window Source of NH! The Window Source has over 35 locations across the US. We are experienced, professional, and we are family owned and operated.

Did you know that The Window Source of NH offers more than just windows? We also offer beautiful front doors from ThermaTru Doors for your home. If you’re looking for savings on your home’s new door, then you’ve found the right place. We offer the highest quality products that are both affordable and energy efficient.

Why Buy A New Front Door?

The ThermaTru Door greets friends and visitors as well as protects your family. Aside from serving as entrance, they also make a strong visual impression on your home and neighborhood. Homeowners are passionate about their doors and so should you be! We take your home seriously. When we’re done installing your new door, you’ll be proud and excited just to come home.

What Types Of Doors Do We Offer?

At The Window Source, we have scoured the country for what we believe are the best quality doors for your home. We have a huge selection for you to choose from, all of them quality products from Thermatru doors. Our doors are secure, strong, beautiful, and (of course) energy efficient.

Additionally, our doors are installed by some of the best professionals in the industry! That means that you will have a secure entry that you can trust.

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Higher Standards, Better Price

The Window Source NH always strives to bring you the best of the best in everything that we do. Furthermore, we make sure that what we bring to you is affordable and carries a lifetime warranty. We care about your home, your family, and our community. Thank you for letting us serve you, New England!

If you’re interested in our products or services, contact us below or call today. Thank you!


We Support Our Service Personnel

“We proudly support all military, first responders, police, fire department personnel, veterans, and emergency medical technicians. If you are member of one of these groups, or a senior citizen, we gladly offer you a 5% discount off of all goods and services. Please contact us to claim your discount.”
– Skip, Owner @ Window Source NH

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!


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Awards & Certifications

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

See why we are the best!

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