Top-Quality Replacement Windows in Upland, CA – Beauty & Efficiency
For over 30 years, J. R. Door & Window Inc has been the trusted local expert for replacement windows in Upland, CA. As a family-owned and operated business, we take pride in delivering exceptional craftsmanship backed by decades of hands-on experience. Our certified installers are trained in the latest industry standards and proudly maintain partnerships with leading manufacturers, including Milgard Windows & Doors. We complete every project with a strong commitment to energy efficiency, security, and customer satisfaction. We support this with comprehensive product warranties and a 100% service guarantee. Homeowners throughout Upland rely on us for our honesty, expertise, and proven results.
What makes energy-efficient windows worth the investment in Upland, CA?
Homeowners in Upland, CA, can experience measurable comfort and savings by upgrading to energy-efficient windows. Designed for Southern California’s warm climate, these windows combine advanced insulation and durable materials to reduce heat transfer, minimize noise, and enhance year-round indoor comfort.

Key Financial Advantages
- Lower Energy Costs: Energy-efficient windows can cut household heating and cooling expenses by up to 30%, according to the U.S. Department of Energy.
- Increased Home Value: Updated windows can return up to 70% of their cost in resale value while improving curb appeal.
- Tax Credits & Rebates: California homeowners may qualify for local utility incentives or federal energy-efficiency tax credits.
Comfort & Performance Benefits
- Temperature Control: Low-E coatings and argon-filled panes help stabilize indoor temperatures.
- UV and Noise Protection: Multi-pane glass blocks up to 90% of UV rays and significantly reduces outdoor noise.
- Minimal Maintenance: Vinyl, wood, and fiberglass frames are engineered for long-term durability and easy upkeep.
Our Replacement Windows in Upland, CA
At J. R. Door & Window Inc, we focus on helping homeowners make lasting upgrades with high-performance replacement windows in Upland, CA. We work to enhance comfort, lower energy use, and boost curb appeal through customized solutions. Every project reflects our commitment to quality, supported by expert installation and strong warranty protection that ensures long-term confidence in your investment.
Milgard Certified Window Systems
We are proud to offer premium Milgard replacement windows, trusted for their durability, energy efficiency, and stylish designs that align perfectly with Upland’s climate. Because we are a Milgard-certified dealer and our installers are AAMA Master Certified, we ensure the product is appropriately installed and backed by a lifetime labor warranty, providing greater homeowner peace of mind.
Vinyl Replacement Windows
Vinyl windows offer an excellent balance of cost-effectiveness, low maintenance, and firm performance, making them ideal for homeowners seeking efficiency without sacrificing quality. Our team ensures each vinyl window is precisely measured, sealed, and aligned to minimize drafts. Our in-house installers (not subcontractors) deliver care and reliability that set us apart from competitors.
Wood & Fiberglass Window Options
For those seeking premium craftsmanship or a specific architectural look, our wood and fiberglass replacement windows bring elegance and superior strength, especially useful in California’s sun and seasonal fluctuations. We handle every step from design to installation, ensuring each window suits local conditions and includes advanced glazing and coatings that minimize heat, block UV rays, and reduce outdoor noise.
Full-Service Window Replacement & Installation
Replacing your windows isn’t just about the frames; it’s about performance, fit, and longevity. We handle every step: from accurate measurements and guidance on ENERGY STAR®-rated options to clean, efficient installation by certified professionals and a written lifetime labor warranty.

Every homeowner in Upland deserves windows that perform, including better comfort, lower energy bills, and enhanced home value. With J. R. Door & Window Inc, you get trusted advice, certified products, and expert installation that outpace those of typical window contractors. If you’re ready to enhance your home with replacement windows in Upland, CA, our team is here to support and guide you through every stage of the process.

Advantages of choosing J. R. Door & Window Inc for Upland, CA replacement windows and doors
When homeowners in Upland turn to J. R. Door & Window Inc, they’re looking for reliable solutions, especially when their windows or doors are outdated, drafty, or simply no longer meeting expectations. With decades of experience and a deep understanding of local needs, we make the upgrade process clear, straightforward, and tailored for lasting satisfaction.
- Established local expertise: Since 1989, we’ve been serving Upland and surrounding communities, building our reputation as a trusted family-owned business.
- Certified installation professionals: Our team includes installers with Master Certification via the American Architectural Manufacturers Association and Lead-Safe certification, which means your project is handled by trained professionals who understand proper fit, sealing and code requirements.
- Top-tier product partnerships: As one of the largest Milgard-certified dealers in the Inland Empire, we offer premium-quality windows that are energy-efficient and built for the warm Upland climate.
- Lifetime installation warranty: We stand behind our artistry with a written lifetime warranty, giving you confidence that your investment in replacement windows or doors will remain protected for years to come.
- Customer-first process: From in-home consultation through to final clean-up, our team focuses on minimizing disruption, answering your questions clearly, and delivering results that align with your home’s style, comfort needs, and budget.
- Energy savings & home value boost: By installing high-performance windows and doors, you can reduce annual utility costs while improving your home’s curb appeal, two benefits that matter in Upland’s market.
- Single-stop convenience: We handle everything from measurement and product selection to installation and warranty support, so you’re not juggling multiple contractors or doing guesswork.
What Upland, CA Homeowners Say About J. R. Door & Window Inc
When Nicholas Rheaume reached out to us for new windows, he wanted quality work done on time—and that’s exactly what he got. “The installers showed exactly when we were told, work was very quick and efficient.” His words say it best. One of his windows arrived in the wrong size, but he shared, “Steve, our rep, took care of us, made sure it came in just a few days, an installer came, and it was installed in 35 minutes.”
For Nicholas, the result was simple: “The windows look amazing… very fair pricing, and very excellent work.”
See Why Upland Homeowners Choose Our Replacement Windows - we bring the same care, professionalism, and precision to every project.
If you’re ready for windows that fit perfectly and service that exceeds expectations, call us today at (909) 949-9902 to schedule your consultation.
New Replacement Windows FAQ
Choosing J. R. Door & Window Inc for Upland, CA replacement windows and doors means partnering with a team that is dedicated to craftsmanship, energy efficiency, and lasting beauty. Our high-quality products enhance comfort, reduce energy use, and elevate curb appeal, all installed by professionals who care about getting every detail right. Experience the difference that local expertise and trusted brands can make in your home’s performance and style.
Ready to create a brighter, more comfortable living space? Take the first step toward your upgrade today.
