Windows and Doors

Replacement Windows and Doors Contractor Serving Southern California

We install quality replacement windows and entry doors in California

Signs that your windows or doors may need replacing

  • Difficult to open and close
  • Drafts coming from around windows & entry doors
  • Condensation on glass panes
  • Hard to clean
  • Peeling or chipping paint
  • Excessive outside noise
  • Damaged seal or caulking

Old windows and doors are often a problem for homes. Besides often looking their age, old windows and doors are often hard to open and/or drafty. In the case of the former, this is a nuisance, while in the case of the latter the window or door is actively hurting your home's energy efficiency. The quicker temperature changes caused by the draft is forcing your heating or cooling to work extra (costing you more).

Replacing your windows and doors is also a great way to improve your home's look, whether as part of a larger remodel or just an individual home improvement. If your windows are even slightly older and starting to show age, it's generally not a bad idea to consider replacement.

Of course, you need to make sure your replacement windows and doors are installed well. Thankfully Design Windows and Doors Inc. has your back. We pride ourselves on our high standards of professionalism and boast a team of experienced professionals who are more than capable of making your installation quick, easy, and effective.

A new set of windows and doors is a great way to upgrade your home, and perhaps even save money on lower energy bills. Contact us online or give us a call at 1-844-201-8916 today in order to schedule your free estimate and learn more!

Benefits of replacing windows and doors

San Bernardino, CA's window and door experts

Gain natural light. Replacement windows will increase the light and air flow in your home.

Replacing windows and doors has several major benefits for your home, including:

  • Comfort: A new window or door often does wonders for your home's temperature management. By cutting out drafts you can rest assured your home's temperature will remain more consistent.
  • Energy efficiency: On a related note a more consistent temperature will also help lower your heating and cooling costs.
  • Security: It is far easier to force open an older window or door than a new one. By upgrading your windows and doors you make it much harder for anyone to force their way inside.
  • Protection from the great outdoors: while the great outdoors can, of course, be beautiful, there are certain parts of it you would prefer to stay outside. New windows and doors will play a big role in keeping out bugs, allergens, and of course the weather.
  • Higher home value: It's always nice when a repair or upgrade can pay for itself. Besides lowering energy costs and simply making your home look better, a new window or door will go a long way towards raising your home's value when you try to sell.  

We will help you find the right type of windows and doors for your home's needs, ensuring that you get the perfect fit for your design.

Types of windows and doors

Door replacement in Riverside, San Bernardino, CA

Great first impression. Replacement doors give your entryways new life.

At Design Windows and Doors Inc., we offer a wide variety of window and door styles and materials. Our available options include:

  • Vinyl, wood & fiberglass windows and doors
  • Double-hung windows
  • Casement windows
  • Patio doors
  • Entry doors
  • And more!


Simonton recognizes the need for high quality products, fit for your window and door needs. After being established in 1946, Simonton continued to grow and perfect their product line, changing with the time and providing the best service, quality, and materials on the market. 

Vinyl Windows

Vinyl windows provide a durable, low maintenance and energy efficient window option, at a great value, and Simonton brings you the very best in vinyl windows. With Simonton, you are ensured a lifetime of comfort and quality with their Double-Lifetime Limited Warranty and AAMA Gold Certification for all of their windows. This advanced certification program tests for thermal performance as well as air, water and structural integrity, so you know you are getting a superior product.

Vinyl is one of the best materials to choose for your windows, and will add to the value of your home. An excellent insulator, vinyl windows can help lower utility bills they are trustworthy through the most extreme weather conditions; they never need more than an occasional rinse to stay looking new for years; and they are a breeze to operate. Simonton Windows allows you to easily find the perfect style of windows for your home, with every window custom built to your exact specifications.

Take a look at the style catalog to help you choose the ultimate window solution for your home:

Simonton Reflections - Style Guide
Simonton Reflections - Asure Warranty

Headquartered in Sugarcreek, Ohio, ProVia has of 35 year history as a nationally-known manufacturer of advanced entry door systems, vinyl siding, energy-efficient windows and manufactured stone with a reputation for quality and craftsmanship.  

ProVia Doors

Reasons to choose ProVia

  • High Quality
  • Durability and longevity
  • Wide range of materials, styles, and colors
  • Energy efficiency
  • Built to be more secure
  • Eye catching designs increase home's curb appeal.

Headquartered in Sugarcreek, Ohio, ProVia has of 35 year history as a nationally-known manufacturer of advanced entry door systems, vinyl siding, energy-efficient windows and manufactured stone with a reputation for quality and craftsmanship.  

ProVia Window Brands

ProVia provides four different high quality product lines to solve any and all replacement window needs. The products include multiple styles, materials, and colors to ensure that you can find the perfect solution for your home.

  • Endure: Endure Windows are energy efficient, high performance vinyl windows that have been independently tested for strict energy standards, including ENERGY STAR®. These windows will help reduce your heating and cooling costs while providing a beautiful finished look for your home.
  • Aspect: Aspect Windows are custom vinyl windows that come with an innovative multi-chambered frame and sash design, as well as triple weatherstripping and high-tech glass for maximum energy efficiency. These windows are ENERGY STAR® certified.
  • ecoLite: ecoLite Windows use a unique glazing system for increased thermal performance, warmer glass temperatures, and reduced interior condensation. These vinyl windows come with ProVia's Limited Lifetime Warranty and our ENERGY STAR® certified.
  • Aeris: Aeris Windows offer a unique design of a maintenance free vinyl exterior paired with a pre-finished wood interior. Aeris windows provide unsurpassed appearance and excellent energy efficiency, including an ENERGY STAR® certification. Aeris windows come in a variety of styles and can easily be painted or stained to match your home's design.

All ProVia replacement windows will provide you with a beautiful, energy efficient upgrade for your home. Your local ProVia dealer will help you identify the best solution for your home and provide a quality installation.

Marvin Windows and Doors has been an industry leading manufacturer of quality products or over 70 years, providing a complete line of windows and doors. The family owned company is dedicated to enhancing their environmentally sustainable business practice as well as using their innovation to set industry standards. Marvin manufacturers windows and doors in a wide variety of styles and materials, and they are constantly perfecting their designs and manufacturing process to continue to provide the highest quality windows and doors available.

Marvin Replacement Doors

Marvin is known for their high quality replacement doors and windows that are not only aesthetically pleasing but extremely practical.

Styles include: Sliding Patio, Hinged Swinging Patio, Scenic, as well as custom structures available upon request.

Features include:

  • Styles vary from unique to traditional
  • Built with practicality in mind
  • Flexible yet durable
  • Withstands high weather impact
  • Energy efficient
  • Low maintenance
  • Space conscious, with optimal designs

Milgard is a leading manufacturer of windows and doors. Founded in 1958 as a glass company, Milgard has expanded and grown tremendously over the years, becoming a vertically integrated window and patio door manufacturer. They offer a personalized experience that make the process of buying windows and doors easy!

Milgard® Windows

Milgard® offers a variety of vinyl and wood windows, including several different series. Each series of vinyl windows comes with unique benefits, but all of these windows will add beauty and protection to your home. Because of their material - vinyl - they are also all easy to clean and maintain.

Benefits of Milgard® Windows:

  • The Tuscany® series is architecturally styled for a traditional look with energy efficiency and easy operation
  • The Style Line™ series comes with a narrow frame profile that can open up any home
  • The Essence® series combines a solid wood interior frame with a fiberglass exterior for appearance and durability

Milgard is a leading manufacturer of windows and doors. Founded in 1958 as a glass company, Milgard has expanded and grown tremendously over the years, becoming a vertically integrated window and patio door manufacturer. They offer a personalized experience that make the process of buying windows and doors easy!

Milgard Doors

Milgard offers a variety of quality door options in a variety of materials and styles. Milgard door options include:

  • Milgard wood, vinyl, and fiberglass Doors
  • Entry doors, sliding doors, and French doors
  • Wide variety of colors and finishes
  • Numerous styles, designs, and glass layouts

Masonite is one of the largest manufacturers of commercial and residential doors. They offer a variety of award-winning products and build interior doors, exterior doors, door components, and door entry systems. Masonite is headquartered in Tamp, Florida but has many facilities worldwide.

Masonite Doors

Masonite doors are designed to offer only the best in terms of quality. Five of the main features that Masonite considers for its doors are:

  • Acoustics
  • Durability
  • Safety
  • Sustainability
  • Aesthetics

No matter what particular need you have, Masonite likely has a door that'll be the perfect fit for your home.

Choose professional window and door replacement for your home

A new door or window can be a huge upgrade to your home that not only improves your home's appearance, but also makes it more secure, energy efficient, comfortable, and valuable. However, a botched installation can negate many of these benefits by leaving you with a window that doesn't operate properly or allowing for water damage. 

You need a contractor you can trust, like Design Windows and Doors Inc.. Our team is made up of experienced professionals and we hold ourselves to the highest standards of quality. We offer free-in-home appointments and during these appointments, we'll listen to your vision, take measurements, and provide you a free estimate. 

Turn to Design Windows and Doors Inc. for new door and window installation that you can trust. Call us today to get started with a free estimate in San Bernardino, Riverside, Anaheim, Pasadena, Santa Ana, Huntington Beach, Long Beach, San Clemente, Temecula, Irvine and the surrounding areas!

Looking for a price? Get a no cost, no obligation free estimate.

our service area

We serve the following areas

Our Locations:

Design Windows and Doors Inc.
504 S Mountain Ave
Ontario, CA 91762