Capital Construction
Energy-Efficient Replacement Windows
No Interest & No Payments For 1-Year
Spring Sale
Get 15% Off Your Project
+ No Interest, No Payment for 18 Months
Window Replacement and Installation in Boston, Massachusetts, Rhode Island & New Hampshire
No Interest & No Payments For 1-Year
Your windows are more important to your home than you might think! They provide your home with natural light and insulation while protecting your valuables from harsh New England weather. If you’ve noticed that your old windows are starting to look worse for wear, Capital Construction Contracting can provide you with top-tier window replacement and installation services. Read on to learn more about how our windows help your home!
Window Brands
Alside brings New England homeowners quality windows that they can trust to stand up against the harsh northeastern climate. Their leading vinyl window products bring unmatched beauty and strength to any home, as they can be custom-fit to your needs.
There’s a reason why Velux has been successful for over 60 years! Velux skylights offer the best natural light and ventilation that these windows can offer. Our Velux skylights will improve the look and feel of your room while helping you to save on energy costs.
What Our Windows Can Provide For Your Home
Our windows are made with the highest quality materials to ensure that they perform at their best for a long, long time. Our windows can make a big difference in your home by providing it with:
Insulation: Our replacement windows will keep your home cool in the summer and warm in the winter. In turn, this helps you save money on your energy bills each month! You’ll save a lot in the long run.
Natural Light: Natural light can make a room feel more open while also acting as a form of stress relief. Open spaces like these will make a home attractive on the market, which can up your property’s value.
Weather Protection: Whether it be hail, snow, rain or other debris, our windows have the strength and durability to stand up to it all. No more worrying about leaks or cracked windows!
94% Guild Quality Recommendation Rate
Window Styles and Options
Curious to see what window styles and options we offer? Click here for an in-depth look at our customization options!
Contact Us Today
Capital Construction Contracting can help ensure that your windows perform to the best of their ability while saving you money in the long run. To reap all the benefits of new windows, click here to contact us directly!
We've Built A Great Reputation 4.9 out of 5.0 stars based on 2,000+ reviews
See Our Project Portfolio
Client Testimonial
Home Remodeling Review
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I was immediately impressed with this company from when I first called them. They were informative, flexible to my schedule and a solid reputable company. I've dealt with a lot of different contractors and Capital Construction was a dream come true! From their office staff to production team and crew. Their crew done a fantastic job and finished sooner than projected. They followed all the covid guidelines and were amazing from start to finish. I 100% recommend this company to anyone. We are already planning our next spring project!
- Lydia S.
Special Offers
Save Up To 15%
Off Your Exterior Remodel
Call today to SAVE and become a Capital Preferred Customer!
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Spring Sale - 18 Months
No Interest, Minimum Payments
Save up to 50% off the installation on your entire house roof replacement project* And more!
Take Advantage
Of Our 15-year Financing Options
We offer flexible finance options with low-payment, low-interest, and long-term periods.
What Our Customers Have To Say
We wanted to change our tube to a walk-in shower. The proposed change was well explained, and we decided to go with it. The work was completed in 1 day and was done cleanly and efficiently. No regrets
Our experience has been phenomenal from start to finish! From sales, office, project manager, and the great guys that installed our roof. Communication was outstanding all around. Our roof was finished in one day!Definitely recommend this company!
I don’t write reviews often but I must say that Michael Gagnon and his team did a great job with my project! I have an older home with a lot of character and they did an outstanding job with my roofing installation!
I couldn't be happier with Capital Construction! Their team was professional, efficient, and did an outstanding job on my new roof. The quality of their work is top-notch, and they left my property spotless. Highly recommend!
We are very pleased with the outcome! Our house’s curb appeal has gone up exponentially and we would definitely use Capital Construction again for other projects, and we would recommend this company to others. Thank you!
Our Locations
