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

We could not have been happier with this installation of our windows and French doors. Your crew was fantastic. Their professionalism and thoroughness surpassed our expectations. The lack of sales pressure and the way your company went out of their way to satisfy us really made it a pleasure to do business with you. And best of all the complimentary comments of family and friends have been great.

B. Brook
Chino Hills, 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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    We will call between  8 - 10am
     10 - 12pm
     12 - 2pm
     2 - 4pm
     4 - 6pm
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    City (in California)
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  • Includes installation, tax, delivery, and haul away
  • Includes all raw material for basic installation
  • Must be 8 windows or more
  • Patio door is standard 70" x 79-3/4"
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Independent contractor