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Contact Definis And Sons Windows & Doors. We provide services in Philadelphia, New Jersey, Delaware County, Montgomery County, And The Bucks County Area. Ready for an energy efficient new look? Write to us or give us a call now, we’re always happy to provide a free consultation and help out with any questions you may ask. We follow strict Civid-19 CDC guidelines for your safety, and for the safety of our staff. We have many virtual consulting options available to help you make the right decisions for your window and door needs.

  • Address:

    8312 State Road, Philadelphia, PA 19136

    Serving the Philadelphia metro area

  • Phone:

    Office: (215) 624-7118

    Toll Free: (800) 322-6177

  • Office Hours:

    Monday - Friday: 10 AM - 4 PM

    Saturday: 10 AM - 3 PM

    Sunday: Closed (Family Day)



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