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Energy-Efficient Replacement Windows & Doors in Riverside, CA
Ameristar Windows is a full-service replacement window and patio door company dedicated to providing high-quality, energy-efficient solutions for homeowners in Southern California. Our commitment to excellence is reflected in our factory-direct model, which eliminates middlemen to deliver competitive pricing without compromising on product quality or installation standards. All windows and patio doors are manufactured locally in Riverside, CA, ensuring durability, custom fit, and environmental sustainability through advanced materials like Dura Platform spacers and argon-filled glass units.

We stand behind our products with a comprehensive lifetime warranty and prioritize customer satisfaction through professional installation by in-house experts. By focusing on innovation and community growth, we ensure every project enhances home comfort, reduces energy costs, and supports local economic development.
Services
Replacement Windows Patio Doors Energy-Efficient Windows Custom-Made Windows Vinyl Windows Window Installation Patio Door Installation Factory-Direct Sales Lifetime Warranty Service Energy Savings Solutions
Highlights and features
  • We offer factory-direct pricing with no middlemen.
  • Our windows feature Dura Platform spacers reducing energy loss by 10%.
  • Products are manufactured locally in Riverside, CA, supporting the community.
  • Professional installation by in-house experts with no subcontractors.
  • Lifetime warranty covers all custom-made, energy-efficient windows and doors.
Associations and certifications
  • Better Business Bureau (BBB)
What people say
Professional installation Lifetime warranty Energy-efficient Excellent customer service Quick turnaround
Services
Replacement Windows
Ameristars vinyl replacement windows are energy-efficient, durable, and custom-made to fit your home. Featuring Dura Platform spacers and argon-filled glass, they reduce energy loss by 10%, lower utility bills, and enhance indoor comfort. Backed by a lifetime warranty.
Patio Doors
Energy-efficient vinyl patio doors with a dual-pin locking system and LoE 3 glass provide security, noise reduction, and durability. Custom designs and professional installation ensure seamless integration with your homes aesthetics and functionality.
Energy-Efficient Windows
Our windows use advanced technology like Dura Platform spacers and argon gas to minimize heat transfer. This reduces energy consumption, lowers carbon emissions, and maintains consistent indoor temperatures while qualifying for potential utility rebates.
Custom-Made Windows
Every window is tailored to your homes specifications, including unique shapes like garden or arch-top designs. Precision manufacturing ensures a perfect fit, enhancing curb appeal and maximizing energy efficiency for long-term savings.
Factory-Direct Sales
By eliminating middlemen, we pass savings directly to customers without sacrificing quality. This model allows competitive pricing on high-performance windows and doors, all manufactured locally in Riverside, CA, supporting community growth.
Questions
Do you offer energy-efficient windows?
Yes, our vinyl windows use Dura Platform spacers and argon-filled glass to reduce energy loss by 10%, lowering utility bills and improving home comfort.
What areas do you serve?
We serve homeowners in Riverside, Orange, San Bernardino, and San Diego Counties across Southern California.
Is there a warranty?
All products include a full lifetime warranty covering materials, workmanship, and installation for long-term peace of mind.
How long does installation take?
Most projects complete within 2-3 weeks, though custom designs like curved windows may require additional time.
Do you provide free quotes?
Yes, request a complimentary quote online or by calling our showroom for personalized pricing and options.