The Best Window Replacement Companies in CT

When it comes to window replacement, CT has a whole host of service providers to choose from, meaning: homeowners have their pick of local replacement window companies — after doing their homework, of course.

To help save you time, we’ve researched all the best window replacement companies in CT and highlighted our top picks here; all of these window installation pros have a 4.5-star rating or higher from 100+ combined reviews on Angi and Google. To further investigate these winning window replacement companies, we cross-referenced them on Houzz, Thumbtack, and Home Advisor to ensure you have a “pane”-free experience!

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  • Advanced Window Systems, LLC

    Curator’s Pick

    Operating out of Cromwell, Advanced Window Systems offers replacement windows of all kinds: double-hung, bay, bow, awning, basement hopper, and more. Their impressive 4.9-star rating and over 300 reviews lead us to believe they’re one of the best — many reviewers praise their professionalism and quality. It’s clear that when it comes to window replacement, CT locals are pleased with the work completed by AWS, who wants all their customers to have an “AWSome experience!” These replacement window pros also perform jobs on siding, roofing, bathrooms, and doors, and offer financing options.

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  • Budget Dry Waterproofing Inc.

    Curator’s Pick

    Replacement windows for basements are in a league of their own, and Budget Dry Waterproofing specializes in all things basement. Having an average of 4.7-stars from around 400 customer reviews, it’s likely Budget Dry Waterproofing performs the best basement window replacement CT homeowners have ever seen! Per their website, they’re well-versed in the local laws and codes about basement and egress windows, which provide a way out in case of emergency. If you have a finished basement, an egress window can greatly increase your property value by qualifying your basement as an additional bedroom.

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  • ENER-G Tech, Inc.

    Curator’s Pick

    When thinking about window replacement, CT homeowners often have their energy bill in mind. Having old, drafty windows means having to pump the heat in winter and blast the A/C in summer to maintain a comfortable indoor temperature. ENER-G Tech offers to help their customers find “the best windows at the best prices,” plus you’ll save on your monthly energy bill with their expertly-installed energy-efficient windows. With 4.7-stars and over 100 customer reviews, ENER-G Tech is one of the best replacement window companies near Fairfield County, serving surrounding areas and greater New Haven as well.

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  • Giant Siding & Windows

    Curator’s Pick

    If you’re searching for the best window replacement company near Fairfield County, Giant Siding & Windows is located in nearby Westchester, NY and has an outstanding 4.6-star rating from nearly 200 customer reviews. They’re multi-time recipients of the Angi Super Service Award and can handle replacement window installation jobs of all shapes and sizes, including picture windows, single-hung windows, and more. Giant is a proud installer of fiberglass Marvin Windows, which their website claims are built to last 38% longer than vinyl windows. They’re also experts in siding, in case you’ve got more than window panes on the brain!

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  • Lecla Home Improvements and Roofing Inc.

    Curator’s Pick

    Coming in with a 5-star rating from nearly 200 reviews, Lecla Home Improvements is one of the best window replacement companies in Danbury, CT. Their website explains how new windows offer savings through energy efficiency, and that window installation might not be as big a project as you think; Lecla says most replacement window jobs can be completed in one day. They serve the entire state, so no matter where you are, you can count on the experienced, professional contractors at Lecla to perform some of the best window replacement CT homeowners can buy — upfront or through their financing options.

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  • Nu-Face Home Improvements

    Curator’s Pick

    If you want to work with experts in window replacement who CT residents have relied on for decades, contact Nu-Face. This locally-owned replacement window company has served all of Connecticut for more than 30 years, and their 4.9-star rating from 120+ reviews tells us CT homeowners are pleased with the results! When you work with Nu-Face, you’ll be getting some of the best products on the market — think Harvey, Alside, and Andersen windows. In addition to replacement windows, Nu-Face offers siding, bath, and roofing services for a one-stop-shop home improvement experience.

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  • Pella Windows and Doors of Connecticut

    Curator’s Pick

    For expert replacement window installation in CT, Pella Windows & Doors of Connecticut is known for their professionalism and providing a great value — just review their 250+ positive customer reviews and an average 4.5-star rating. For an immersive “window shopping” experience, visit one of their showrooms in Norwalk or Monroe, but if that’s inconvenient, don’t fret: they’ll provide all your replacement window needs anywhere in the state of CT. To help you feel confident when you hire these window contractors, their products and installation are backed by a variety of guarantees and warranties.

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  • Power Home Remodeling

    Curator’s Pick

    Power Home Remodeling is one of the most reputable and best companies for CT window replacement. Thousands — yes, thousands — of customer reviews give an average 4.7-star rating, and many shared that the team at Power Home Remodeling was helpful, professional, and easy to work with from start to finish. These replacement window professionals are skilled in replacing all types of windows including vinyl, bay, bow, basement, casement, and more; they even do sliding glass doors. Contact them for a quote and to learn more about the ways a new window installation project can benefit you and your home.

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  • Renewal By Andersen

    Curator’s Pick

    If you’re in the research phase and Googling “window replacement CT,” you’ve surely seen the name Renewal By Andersen. With 150+ customer reviews and a 4.7-star rating, it’s safe to say these Andersen windows specialists are some of the best in the area. Per their website, the replacement windows sold here are made of an exclusive and durable composite material designed to weather any storm or temperature fluctuation. Plus, the master installers at Renewal By Andersen are adept at all styles of replacement window installations, from simple double-hung to specialty shapes.

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  • RIGA Home Improvement

    Curator’s Pick

    The window replacement team at RIGA Home Improvement in Norwalk, CT has a shining 5-star rating from over 100 customer reviews. They’ve been in business since 2000 with a strong focus on replacement windows, using Harvey, Pella, and Andersen windows — quality brands trusted by homeowners and industry professionals alike. The experienced window installation technicians here can assist you in making the best decision for your home, whether you’re changing your aesthetic, looking to save on energy costs, or both. Since they’re also roofing pros, working with RIGA is ideal if your window replacement plans include skylights.

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  • Thermo Seal Windows, Siding & Roofing

    Curator’s Pick

    Since 1985, Thermo-Seal has provided exceptional replacement window services which are reflected in their pristine 5-star rating from close to 200 customer reviews. Their website highlights many benefits of replacement windows, like increasing your home’s curb appeal, lowering energy costs, and even reducing the amount of outside noise you hear from inside your home. They’re a certified contractor for Andersen windows, one of the most trusted window brands within the industry. Thermo-Seal also promises that if you choose them for your window replacement in CT, you can expect a professional installation and exceptional customer service combined with top-quality products.

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  • Window Solutions Plus

    Curator’s Pick

    If your priorities include choosing local manufacturers and top-of-the-line products, consider Window Solutions Plus, a 4.9-star-rated window installation company near Fairfield County. They offer Pella, Harvey, and Andersen windows — the industry’s most trusted and reliable brands. Window Solutions Plus also promises a smooth end-to-end window installation process because of their expertise, professionalism, and commitment to customer satisfaction. They use no subcontractors and windows aren’t the only transparent thing here; these replacement window experts lay out all your options for you, including straightforward pricing — allowing you to make educated decisions for your window installation project.

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