Window Replacements & Installations

Professional window replacement contractor serving all of Connecticut.

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Why Homeowners Trust FIDERIO & SONS

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40+ Years of Experience
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2,250+ Exterior Projects Completed
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195+ Verified Reviews
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Simple Financing Options

Types of Replacement Windows We Offer

Vinyl

Durable, efficient, and versatile material options.

Single & Double-Hung

Durable, efficient, and versatile material options.

Awning & Casement

Durable, efficient, and versatile material options.

Bow & Bay

Durable, efficient, and versatile material options.

Picture

Durable, efficient, and versatile material options.

Garden

Durable, efficient, and versatile material options.

Slider

Durable, efficient, and versatile material options.

Skylights

Durable, efficient, and versatile material options.

Our Simple, Stress Free Window Replacement Process

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Step 1:

Easy Consultation

We listen, assess, and guide you to the perfect solution.

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Step 2:

Choose Your Style

We bring a variety of samples right to your home.

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Step 3:

Transparent Pricing

Clear quotes and flexible financing options available.

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Step 4:

Professional Installation

Our expert crew ensures it's done right the first time.

The Clear Crew Behind Every Clean Install

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Jonathan Fiderio

Design & Remodeling Consultant

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Matt Fiderio

Production Coordinator and Production Manager

Proactive Communication: 

We keep you informed every step of the way.

Respectful and Clean Crews: 

We treat your home like our own.

Expert Project Management: 

From start to finish, we handle it all.

We Answer All Your Questions: 

Before you even have to ask.

View Our Completed Window Projects

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Windows

East Hampton

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Windows

Meriden

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Wallingford

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Middletown

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Manchester

Skylight

Berlin

Windows

Middlefield

Windows

Prospect

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Middletown

Windows

Meriden

Windows

East Haddam

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East Lyme

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East Lyme

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Meriden

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Windows

Torrington

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Westerly

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Westerly

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Westerly

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Westerly

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Westerly

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East Hampton

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Meriden

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Wallingford

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What Homeowners Are Saying

Five gold stars in a row.

Over 195 Verified 5-Star Reviews

Frequently Asked Questions

  • What signs tell me I need new windows?

    Common signs you may need new windows include drafts, condensation between panes, rising energy bills, difficulty opening or closing windows, and noticeable wear or damage. If your home feels less comfortable or you’re constantly adjusting the thermostat, it may be time for a professional window assessment.

  • How long does installation usually take?

    Most window installations take about 30–60 minutes per window. For an average-sized home, the full project can often be completed in 1–2 days. Our team provides a clear timeline during your consultation and works efficiently while respecting your home and schedule.

  • Are your windows energy efficient?

    Yes. We install high-performance, ENERGY STAR® rated windows designed to reduce heat loss, block UV rays, and lower your energy bills. Our expert team ensures proper installation, which is key to maximizing energy efficiency.

  • What financing options do you offer?

    Fiderio & Sons offers flexible financing through trusted partners like Regions | EnerBank. We’ll work with you to find a plan that fits your budget, so you can enjoy your new windows now and pay over time. Learn more at fiderio.com/financing.

  • Do you remove and dispose of my old windows?

    Yes. Fiderio & Sons handles the entire process—from careful removal to responsible disposal of your old windows. We leave your home clean and ready to enjoy your new upgrade.

Save $500

When You Purchase 8 or More Windows* 

*Qualifying windows must meet product or size requirements and some products may be excluded or other exclusions may apply. This offer requires a minimum purchase of 8 windows to qualify for the not applicable to previously signed contracts. This offer is only valid through 03/31/2026 and to be eligible for savings you must mention this coupon at the time of your first/ initial consultation. Cannot be combined with any other offers. REQUIRED to mention this offer when booking your initial consultation to be eligible or prior to receiving an estimate or quote. Call to schedule an in-person estimate today and see how much you can save by calling (203) 692-2405. Expires 03/31/2026.