Replacement Windows & Patio Doors in Temecula, CA

Welcome to Ameristar Windows & Doors, Temecula’s trusted choice for high-quality window and door solutions. As a local direct manufacturer, we take pride in offering energy-efficient replacement windows and sliding patio doors that are engineered to withstand the California climate while providing outstanding value and savings. Our approach is simple—why pay a dealer when you can buy direct from the manufacturer?

At Ameristar, we are dedicated to your complete satisfaction. Our products are expertly manufactured, installed, and fully warrantied, ensuring peace of mind and long-lasting performance for your home. Every installation is completed by our experienced factory technicians—not sub-contractors—which means you can expect top-tier service, accountability, and superior craftsmanship from start to finish.

We serve the greater Temecula, Riverside, and Coachella Valley, CA areas, providing personalized solutions designed to enhance curb appeal, boost energy efficiency, and increase home value. Whether you’re seeking to replace old, drafty windows or upgrade your patio doors, our broad selection, local expertise, and competitive pricing make it easy to find the best fit for your project.

Special offers are available throughout the year, including exclusive discounts for seniors, military personnel, first responders, and teachers. Our team is committed to making your home improvement experience smooth, affordable, and backed by a lifetime warranty on all products. Financing options are available to help make your dream home a reality.

Visit our Temecula or Riverside showrooms to explore options and speak with one of our knowledgeable representatives. Discover why homeowners across Southern California trust Ameristar Windows & Doors for their window and door needs—experience the Ameristar difference today.