When it comes to investing in replacement windows, homeowners want products that combine beauty, performance, and long-term value. Two of the most recognized names in the window industry are Marvin Infinity and Renewal by Andersen. Both are trusted brands with strong reputations, but each offers unique materials, styles, warranties, and benefits that appeal to different needs.
At Raleigh Windows & Siding, we understand the importance of choosing the right windows for your home. That’s why we’ve created this side-by-side comparison of Marvin Infinity and Renewal by Andersen. While both offer exceptional quality and performance, we proudly recommend and install Marvin Infinity windows for their unmatched strength, traditional design, affordability, and lifetime warranty. We’ll walk you through the key differences in materials, design, energy efficiency, and warranty coverage so you can feel confident in your decision.
Marvin Infinity vs. Renewal by Andersen: Which is Recommended for Raleigh Homes?
Both Marvin Infinity and Renewal by Andersen deliver quality, energy-efficient windows built to last, but they aren’t the same by any means. Here’s a side-by-side comparison:
| Feature | Marvin Infinity | Renewal by Andersen |
| Price | Significantly less expensive than Renewal by Andersen; affordable, premium options | One of the most expensive replacement window options on the market |
| Warranty | Lifetime warranty for homeowners on Ultrex fiberglass frames, 20 years on glass, and 10 years on hardware | 10-year frame warranty, 20 years on glass, and 2 years on installation |
| Durability | Ultrex fiberglass is about three times stronger than Fibrex, and it resists warping, fading, and cracking over time | Fibrex composite is durable but not as strong as Ultrex or traditional wood |
| Style | Traditional aesthetic that fits seamlessly with the architectural styles common in Raleigh homes | Leans toward a modern or contemporary look |
| Installation | Installed by local experts from Raleigh Windows & Siding, a family-owned business known for community care and personalized service | Installed through corporate-owned stores with less local expertise |
With greater strength, traditional styling, a longer warranty, and a better price point, Marvin Infinity offers unmatched value for Raleigh homeowners seeking beauty and durability that lasts. For a more detailed breakdown of the pros, cons, and differences between these two window replacement options, keep reading.
Material and Glass Technology
The quality of your replacement windows depends heavily on two things: the materials used in the frames and the technology behind the glass.
Proprietary Material Features
Marvin Infinity windows are constructed with Ultrex® fiberglass, a pultruded fiberglass that is eight times stronger than vinyl and about three times stronger than the Fibrex® material used by Renewal by Andersen. Ultrex is designed to resist warping, expanding, or contracting with temperature changes. This stability means windows stay square and true while creating a tight seal for reliable energy performance over the long term. Ultrex also allows for slimmer window frames, giving you more visible glass and better views without sacrificing durability. Ultrex is virtually maintenance-free and finished with a factory-applied coating that resists fading and scratching.
Renewal by Andersen uses Fibrex composite material in their window frames, a blend of reclaimed wood fiber and thermoplastic polymer. Fibrex is not as strong as wood, but stronger than vinyl and offers similar low-maintenance benefits. Like Ultrex, Fibrex supports thinner frames, resulting in more glass area and increased natural light. However, Renewal by Andersen windows are not as strong as real wood, and over time, Fibrex can be prone to fading and warping in more demanding climates. Marvin Infinity’s Ultrex frames provide superior rigidity and longevity.
Advanced Glass Technologies
Marvin Infinity offers several advanced Low-E glass options engineered to improve insulation, block UV rays, and reduce heat transfer. Homeowners can choose configurations designed for their specific climate, from keeping interiors cooler in hot summers to improving thermal insulation during colder months. Infinity windows are also available with triple-pane glass for superior energy efficiency and noise reduction.
Renewal by Andersen offers glass packages like SmartSun glass, which blocks up to 95% of harmful UV rays while still letting in natural light. They also offer options for enhanced thermal performance, including High-Performance Low-E4® and triple-pane glass systems.
These glass technologies help homeowners cut down on energy bills, maintain comfortable indoor temperatures, and protect furnishings from sun damage.
Performance and Durability
Replacement windows are a long-term investment, so it’s important to understand how they’ll perform year after year. Marvin Infinity and Renewal by Andersen are both built to handle the demands of changing weather, but their materials and finishes offer different strengths when it comes to resisting wear and tear and maintenance requirements.
Weather and Climate Resistance
Marvin Infinity windows excel in demanding climates thanks to their Ultrex® fiberglass frames. Ultrex has a very low rate of thermal expansion, meaning it won’t warp, swell, or contract significantly in response to temperature changes. This stability is especially important in regions like North Carolina, where windows face high humidity, summer heat, and occasional severe storms. The factory-applied acrylic finish is UV-resistant, so colors stay vibrant without chalking or fading, even after years of sun exposure.
Renewal by Andersen windows can also provide strong protection against the elements. Fibrex is engineered to resist rotting, flaking, and peeling, but may not match the rigidity or long-term stability of fiberglass in extreme temperature fluctuations. For Raleigh homeowners, Ultrex fiberglass is the more reliable option.
Maintenance Requirements
Marvin Infinity windows require very little upkeep. Ultrex fiberglass is virtually maintenance-free because it resists scratches and dents. A quick rinse with mild soap and water is usually all that’s needed to keep them looking new. The EverWood® interior finish provides the beauty of wood without the sanding, staining, or refinishing real wood requires, making it a long-lasting and homeowner-friendly option.
Renewal by Andersen windows are also designed to minimize upkeep. Fibrex frames don’t crack, pit, or corrode like some other materials. However, the polymer blend may show signs of surface wear sooner than fiberglass in harsher environments.
Installation, Warranty, and Cost Considerations
Window warranties and pricing play a major role in long-term value. Here’s how Marvin Infinity and Renewal by Andersen compare when it comes to installation, coverage, and cost.
Installation Process and Quality
Marvin Infinity windows are sold and installed through an authorized network of dealers. This means homeowners typically work with a local business that has received specialized training to handle the product correctly, like Raleigh Windows & Siding. It offers opportunities for more personalized experiences, flexible scheduling, and local expertise.
Renewal by Andersen, on the other hand, follows a certified installation model. Every project is managed directly through their corporate-owned stores, with installers who are factory-trained and certified by the company. This standardized process ensures consistency across projects, but provides a more corporate experience and less opportunity for personalization.
Warranty Comparisons
Marvin Infinity windows come with a lifetime warranty for homeowners on the Ultrex fiberglass frames, a 20-year warranty on glass, and a 10-year warranty on hardware. Warranties are transferable to the next homeowner, which adds value if you plan to sell your house in the future.
Renewal by Andersen provides a 20-year limited warranty on glass, a 10-year warranty on Fibrex frames, and a 2-year warranty on installation. While both warranties offer protection, Marvin Infinity’s lifetime coverage far surpasses Renewal by Andersen’s shorter terms.
Cost Analysis
Renewal by Andersen is generally considered one of the most expensive replacement window options on the market. Their pricing reflects the cost of Fibrex material, certified installation, and significant national marketing efforts.
Marvin Infinity windows, sold by Raleigh Windows & Siding, are significantly less expensive than Renewal by Andersen. They offer homeowners premium fiberglass construction and long-term performance without the inflated corporate pricing. Over time, Marvin Infinity’s durable Ultrex fiberglass frames and energy-efficient glass packages can help reduce maintenance and energy costs, further improving long-term value. The result is excellent value for those who want top-tier windows with an investment that balances cost and quality.
Design & Aesthetic Fit
Marvin Infinity windows have a more traditional look, making them a better fit for the architectural styles commonly found in Raleigh homes. Their classic design complements both historic and modern properties without looking overly contemporary. Renewal by Andersen, while also offering attractive designs, tends to lean toward a more modern or contemporary aesthetic, which may not blend as seamlessly with many Raleigh homes.
Energy Certifications and Environmental Impact
Window energy efficiency has a direct impact on monthly utility bills, indoor temperature stability, and the long-term value of a home. Windows are one of the primary sources of heat loss and gain, which means choosing products that meet strict energy standards can make a noticeable difference in both cost savings and year-round comfort. Let’s see how Marvin Infinity and Renewal by Andersen compare.
ENERGY STAR® and Other Certifications
Both Marvin Infinity and Renewal by Andersen windows meet or exceed ENERGY STAR® certification standards, which means they’ve been independently tested for efficiency and performance. This certification assures homeowners that their windows are designed to reduce energy consumption, lower heating and cooling costs, and minimize drafts throughout the year.
Marvin Infinity’s Ultrex fiberglass is made to last for decades, minimizing the need for replacements and reducing environmental waste. Marvin Infinity also offers a range of glass packages tailored to regional efficiency requirements. This ensures their products suit homes in various climates.
Sustainability and Environmental Impact
Marvin Infinity’s Ultrex fiberglass is produced through a process that creates a durable, long-lasting frame. This reduces waste by minimizing the need for frequent window replacements. The longevity of fiberglass also translates into a smaller carbon footprint over the life of the window because fewer resources are consumed in upkeep or replacement.
Renewal by Andersen’s Fibrex composite material incorporates reclaimed wood fibers, reducing the amount of virgin material needed in production. This makes it an eco-conscious alternative to pure vinyl or wood window frames.
Not Sure Which Windows Are Right for Your Home? Contact Raleigh Windows & Siding
Choosing between two trusted brands like Marvin Infinity and Renewal by Andersen can feel overwhelming, but you don’t have to make the decision alone. At Raleigh Windows & Siding, we’re here to walk you through the process and ensure you find windows that are the perfect fit for your home, your goals, and your budget.
Free, No-Obligation Consultation
We offer a complimentary consultation designed to give you clarity and confidence in your decision. During this visit, our team will assess your home, pinpoint your priorities, and discuss your options. This no-pressure consultation is focused on helping you determine which brand, style, and options will best serve your home for years to come. Schedule your free consultation with Raleigh Windows & Siding today!
Personalized Guidance from Experts
Every home is different, and so are the needs of every homeowner. That’s why our team takes the time to understand your style preferences, energy efficiency goals, and budget before making recommendations. With expert guidance from our experienced team, you’ll feel confident that you’re making the right choice for your home.
Professional Installation and Support
When you choose Marvin Infinity windows, you can count on Raleigh Windows & Siding for a seamless installation and reliable support. Our team is committed to delivering precision installation, ensuring your new windows look and perform exactly as they should. And with our ongoing service, you’ll have peace of mind knowing your investment is backed by trusted professionals. Learn more about our window replacement services to get started.
