Definis and Sons Window & Door Inc.

Definis and Sons Window & Door Inc. Definis and Sons Window and Door Company Inc. Definis and Sons is a family buisness which started back in 1959. Visit our HUGE SHOWROOM today!

We are meticulous craftsmen offering expert installation of custom-made Vinyl Replacement Windows and Patio Doors, Steel Entry Doors, Iron Security Doors, Aluminum Storm Doors, Glass Block Windows, and Seasonal Patio Rooms. We install only the highest quality products available, without compromise. All of our products come with peace of mind, since we warrent and offer services on everything we sell. This has led us to be able to make available to you over 40,000 references.

Spring is coming! Hopefully!!Come see us at the Philly Home and Garden Show at Oaks Feb 20-22Booth 821
02/11/2026

Spring is coming! Hopefully!!
Come see us at the Philly Home and Garden Show at Oaks Feb 20-22
Booth 821

New entry door and storm door installation! Take a look at the before! What a difference! Give us a call! 215-624-7118 ...
06/04/2025

New entry door and storm door installation! Take a look at the before! What a difference! Give us a call! 215-624-7118 😁🏠

How beautiful did this job turn out?! Full house of new windows and doors! Come check us out in our showroom or give us ...
05/14/2025

How beautiful did this job turn out?! Full house of new windows and doors! Come check us out in our showroom or give us a call! 🏠😊

Check out this transformation! Our customers replaced their twinset with this beautiful new custom bay window! 😍
09/28/2024

Check out this transformation! Our customers replaced their twinset with this beautiful new custom bay window! 😍

What a transformation! We LOVE this before and after! 😍🏡
09/17/2024

What a transformation! We LOVE this before and after! 😍🏡

Custom Platinum Bay Window and Pent Roof Installation (Before and After)We have full size Bay and Bow Windows to ...
08/14/2024

Custom Platinum Bay Window and Pent Roof Installation (Before and After)

We have full size Bay and Bow Windows to check out in our Showroom! We open at 10am Tuesday thru Saturday.

08/13/2024

We are experiencing an outage with xfinity so our phones/internet are currently down! Hopefully things will be restored soon. Showroom is open 10-3! Sorry for any inconvenience.

07/27/2024
Before and after custom Bay install with Double Hung ends! 😃🪟
07/23/2024

Before and after custom Bay install with Double Hung ends! 😃🪟

Check out this before and after custom door installation! What a difference! If you're looking to spruce up your home gi...
07/17/2024

Check out this before and after custom door installation! What a difference! If you're looking to spruce up your home give us a call at 215-624-7118 or visit our website Definis.com 😀

Baby Angelo on his first Window and Door Installation!Cogratulations to Nicole and Junior!
04/17/2024

Baby Angelo on his first Window and Door Installation!
Cogratulations to Nicole and Junior!

Thank You Philly! We really appreciate being voted the Best Window Company! Thanks to all that voted!
12/16/2023

Thank You Philly! We really appreciate being voted the Best Window Company! Thanks to all that voted!

Address

8312 State Road
Philadelphia, PA
19136

Opening Hours

Tuesday 10am - 3pm
Wednesday 10am - 3pm
Thursday 10am - 3am
Friday 10am - 3pm
Saturday 10am - 3pm

Telephone

+12156247118

Website

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