Doors & Door Systems

Ameristar Windows

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Exclusive Offers Just for You!

Save $300-$500 off every window & $800-$1000 off every patio door

Discount based on size. ANY COMBINATION OF 4 OR MORE WINDOWS/DOORS. Not Valid With Other Offers or prior purchases. Valid with the Purchase of 4 or more windows. Down Payment may be required.

Expires May 30th, 2026

10% off all purchases for Seniors, Military, First Responders, and Teachers

Applies to all purchases made by eligible customers.

Expires May 30th, 2026

30% Off Your Project When Bundled With Installation

Get 30% off your project when you purchase installation services together. Discount based on size. ANY COMBINATION OF 4 OR MORE WINDOWS/DOORS. Not Valid With Other Offers or prior purchases. Valid with the Purchase of 4 or more windows. Down Payment may be required.

Expires May 30th, 2026

Year Founded: 1013213 Payments Accepted:

About Ameristar Windows

Welcome to Ameristar Windows & Doors — your trusted source for energy efficient replacement windows and patio doors in Temecula, CA and throughout Riverside County. As a local direct manufacturer, we make it easy for homeowners to upgrade their properties without the added cost of dealer markups. Whether you’re looking to improve comfort, lower energy bills, or boost curb appeal, our expertly crafted windows and doors deliver exceptional results.

At Ameristar, we pride ourselves on quality, value, and outstanding customer care. Every window and door is manufactured right here in Southern California, ensuring rigorous quality control and the customization you deserve. Our professional factory technicians handle installation (never sub-contractors), bringing peace of mind, consistent craftsmanship, and a true lifetime warranty on your investment.

We’ve designed our services with your convenience in mind. From the first free estimate to helping you select the right styles and materials, our team guides you step by step. We offer a range of modern, energy-efficient products, including replacement windows, sliding patio doors, and custom solutions to match your architectural style. Financing options are available to make your home project achievable on your terms.

Ameristar Windows & Doors is proud to offer exclusive savings for seniors, military, first responders, and teachers. With decades of experience, a stellar reputation for reliable service, and a dedication to customer satisfaction, we stand ready to serve your home improvement needs. Visit our Temecula or Riverside showrooms or contact us for a personalized consultation. See for yourself why so many homeowners throughout Temecula, Riverside, and South Orange County trust Ameristar for their window and door projects. Experience the difference of buying direct from the manufacturer and enjoy the beauty, security, and efficiency your home deserves.