Doors N Windows - The Door and Window Specialists - Call us Toll-Free at (877) 218-4695

About Us

Doors N Windows has been serving the Inland Empire with window and door installation since 1985. Our service area includes Upland, Ontario, Claremont, Rancho Cucamonga, Chino, La Verne, Glendora, West Covina, Covina, San Dimas and Diamond Bar.

What You Can Expect From Us

  • The best deals on doors and windows
  • Knowledgeable information you can trust
  • Professional, fast service
  • The highest quality installation

Expect to save up to 20% against competitors prices on the same product & service!

Windows

Come Standard with:

  • 2 automatic locks
  • New LowE3
  • Vent stops
  • Even site lines
  • Stronger frame
  • Dual wall fins
  • New no tab screens
  • Tilt feature on SH
  • Double weather stripped
  • Easy slide action
  • Argon gas filled
  • Double strength glass
  • Lifetime warranty
  • Warranty includes accidental glass breakage

Patio Sliders

Come standard with:

  • Keyed lock
  • Easy slide action
  • Twin tandem ball bearing rollers
  • New LowE3
  • Screen
  • Additional secondary lock
  • Locked vent opening
  • Dual wall fins
  • Interior matching trim
  • Argon gas filled
  • Duel lock mortise
  • Lifetime warranty

Testimonials

My husband and I always wanted nice looking, easily sliding patio doors. Our old ones were none of the above. We discovered The Door and Window Specialist at a Home Show where they gave us a quote on the spot. No hassles. We shopped around, came to the conclusion that they were the best deal for what they offered, so we hired them to install our patio doors. The crew was reliable. They cleaned up afterwards. We are happy with the doors. They are rather attractive- looking.They actually made our rooms look larger. They are definitley a nice upgrade in our home. We get compliments on them all the time. We would recommend The Door and Window Specialist to anyone.

Mr. & Mrs. Petruzzi
San Clemente, CA

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Contact Us

Call us Toll-Free at (877) 218-4695.

Or schedule a welcome call to speak to a professional by filling out the form below!

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