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Buy One
Get One 40% Off
Buy one window and get the next 40% off! Upgrade your home with energy-efficient windows that add style, comfort, and lasting value.
Buy One Window, Get the Second 40% Off!
Excellence in Every Detail
Why Homeowners Trust Design Windows & Doors
Top-Rated Products
With brands like Milgard, Simonton, and Mirage, we offer homeowners products of exceptional quality for a lifetime of performance.
Family-Owned
With more than 40 years of industry experience among our family members, we have the in-depth knowledge and skills you can count on.
Certified Professionals
Our trained and certified professionals ensure that your Inland Empire window replacement and/or door replacement is seamless.
Window Replacement
Company
Are your windows outdated, hard to open, or costing you energy savings? Since 2006, Design Windows and Doors has boosted style, value & efficiency with expert installation and trusted service.
Picture Windows
Expert Window Installation for Your Home
Noticing higher energy bills or uncomfortable temperatures? Since 2006, Design Windows and Doors has provided top-quality replacement windows, expert installation, and trusted service.
Energy Efficient Windows: Save Money & Boost Comfort in Your Home Today
Upgrade to energy-efficient windows and start saving instantly! Reduce up to 20% energy loss, cut HVAC costs, and enjoy stylish designs from Milgard and Simonton with Design Windows.
Noticing higher energy bills or uncomfortable temperatures? Since 2006, Design Windows and Doors has provided top-quality replacement windows, expert installation, and trusted service.
Built on Quality and Trust
Why Our Customers Love Us
Our experience was great! Mike was upfront, Michelle was helpful, and the installers were polite, on time, and finished in half a day with care and attention.
★★★★★
Andrew F. - Happy Client
Our project with Design Windows was amazing! Mike was honest, Martha kept us updated, and Luis installed our windows perfectly in just five hours.
★★★★★
Omar R. - Happy Client