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Discount Door & Window | 5450 Complex St. #301 San Diego C.a 921 - Windows


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Windows Featured Products

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More About Windows

It's easy to see why retrofit vinyl window replacements have become one of the most popular home improvements around. They are energy efficient windows, they reduce noise and energy use while increasing your property value and enhancing the appearance of your home. They can be installed quickly without major construction headaches and the price is relatively affordable.

Our New Generation Retrofit Vinyl Window withstands harsh weather and wear-and-tear better. This rugged, maintenance-free, New Generation uiPV offers low conductivity and high energy-efficiency properties for your home and you'll never need to paint or stain these windows. Our Retrofit Vinyl Windows are double pane, and available in white and aluminum.

Find your retrofit vinyl window at a competitive price for either new construction or window replacement projects. Whether you are looking for single-hung windows or double-hung vinyl windows, picture windows, garden windows or greenhouse windows, sliding windows or double sliding windows.

Discount Door and Window can help you configure and buy your retrofit vinyl window online today.

We Believe Buying Windows Should Be Simple

At Discount Door & Window, we prioritize transparency and aim to provide you with all the necessary information to make an informed decision for your home project. Take your time to explore our selection of sliding doors and windows, as well as our completed projects and pricing information. If you have any inquiries, our window contractors are ready to assist you. We are committed to assisting you in any way we can.

What Are The Perks Of Investing In Our Services?

The popularity of our replacement window as a home improvement option is easily understandable. They are energy-efficient and offer noise reduction, enhance the appearance of your home, and increase property value. In addition, the installation process is quick and hassle free, with a relatively affordable price point.

Experience even greater benefits with our new custom window installation, designed to withstand harsh weather and wear-and-tear more effectively. These rugged, low-maintenance uiPV windows offer high energy efficiency and low conductivity properties for your home and will never require painting or staining. Our retrofit vinyl windows are double-paned and come in various color options, including white and aluminum.

What Makes Us Different From Others?

Our windows in San Diego come in all different shapes and sizes. Browse our product configurations and styles to choose the best functionality and look for your home.

Customer Satisfaction

Our top priority is ensuring our customers are completely satisfied with our products and basement window installation service. We take pride in being conscious that our customers have been pleased with their experience with us.


We value honesty and transparency in all aspects of our business. We strive to provide clear communication throughout the entire service plan and order process, leaving no questions about our integrity or the quality of our services.

Understanding The Process

We believe it is essential to keep our customers informed about every step of the process. We provide information about the order status, expected arrival time, cost, and installation timeline. We ensure that our customers are not left in the dark and promptly address any questions or concerns.

Speedy Service

We understand that time is of the essence for our customers. We aim to complete every project within 30 days from the deposit payment date. Installing a replacement window should be delivered within 3-4 weeks from the start of the process. We are committed to providing efficient and timely service to meet our customer's needs.

Call Our Experts Today!

Discount Door and Window offer an extensive selection of retrofit vinyl windows that can be configured and purchased online today. Whether you require single-hung or double-hung vinyl windows, picture windows, garden windows, greenhouse windows, sliding windows, or custom window installation, our team is ready to help you find the right solution for your needs. Take advantage of our easy-to-use online configuration system and streamline the buying process today. We aim to provide our valued customers hassle-free and convenient purchasing experience. Give us a call today!