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DeFinis and Sons

With over 50 years of experience in custom windows and doors, DeFinis and Sons have become the largest window and door installation company serving the Delaware Valley. In need of new windows or doors? Look no further! No one comes close to our knowledge, expertise, and professional installation.

 High Quality Products 
   Over 50
  Years of
 Satisified Customers
 Affordable Prices
 Professional Installation
Visit our huge showroom!
Financing is available
jim@definis.com | sandi@definis.com 
Call Now: 215-624-7118 or 800-322-6177
Do you need professionally installed windows or doors?
DeFinis and Sons
super service award

Visit Our Showroom
8312 State Road

Philadelphia, PA 
Monday - Friday: 10:00am - 4:30pm

Wednesday: 10:00am - 7:00pm

Saturday: 10:00am - 3:30pm, Sunday: Closed (Family Day)

(215) 624-7118 or 1-800-322-6177

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