50 Cooper Ave, Milford, CT 06460 Open 24/7
    A+ BBB RatingServing all of Connecticut
    Cooper Modifications
    (203) 615-2188
    General Window Replacement
    Window Installation Service

    Window Replacement for Homes in Westport, Orange & Fairfield

    Replacement is triggered by a window that's actually failing — fogging between panes from a broken seal, a frame that's warped or won't stay open, or drafts you can feel standing next to it on a cold day. It's a different starting point than a first-time install, since there's an existing window and a specific failure to diagnose first.

    (203) 615-2188
    General Window Replacement project by Cooper Modifications

    What's Involved

    We assess what's actually gone wrong before recommending a fix — a foggy double-pane window means the seal has failed and the insulating gas has escaped, which can't be repaired, only replaced. From there, we remove the old unit, check the surrounding frame for water damage, and install the new window with fresh insulation and sealant at the opening.

    How This Differs

    This page is for existing windows that have failed. If you're deciding on frame material for the replacement, our Vinyl Window Installation & Replacement page covers that specific option. If your main goal is cutting energy costs rather than fixing a broken window, Energy-Efficient Window Replacement covers that angle. If there's no existing window in the opening at all, that's Window Installation instead.

    Local Conditions

    Homes in Fairfield and New Haven built more than 20-25 years ago frequently have original double-pane windows reaching the end of their seal life, and CT's temperature swings accelerate that failure compared to milder climates — fogging and drafts showing up sooner than homeowners expect.

    Licensed & Insured · HIC.0647950
    A+ BBB Rating
    10-Year Warranty
    Free Estimates

    Our Process

    A simple, transparent process from start to finish.

    1

    Free Consultation

    We assess your needs and provide a detailed, no-obligation estimate.

    2

    Material Selection

    Choose from premium options from our trusted manufacturer partners.

    3

    Expert Installation

    Our experienced team completes the work with precision and care.

    4

    Final Inspection

    We ensure everything meets our high standards and your complete satisfaction.

    Why Choose Cooper Modifications?

    Over 30 years of combined construction experience
    Family-owned with a multi-generational legacy
    Premium materials from GAF, TAMKO, James Hardie, and more
    10-year labor/workmanship warranty on all projects
    A+ rating with the Better Business Bureau
    Flexible financing options and credit cards accepted
    Free, no-obligation estimates for every project
    Top-tier customer service is our No. 1 priority

    Pricing & Details

    Every project is unique, which is why we provide free, personalized estimates. Pricing for general window replacement depends on materials, project scope, and your home's specific requirements.

    Free EstimateNo Cost
    Labor Warranty10 Years
    FinancingAvailable
    Response TimeWithin 24 Hours
    A+ BBB

    Request a Free Estimate

    We'll call within 24 hours to schedule your free inspection.

    What Our Customers Say

    Real reviews from real Connecticut homeowners.

    General Window Replacement FAQ

    Common questions about our general window replacement services.

    Ready to Start Your Home Project?

    Get your free, no-obligation estimate today. We'll call within 24 hours to schedule your free inspection.

    Call (203) 615-2188
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