Fiberglass vs. Vinyl Windows: Which is Better for Your Home?

Fiber glass window in Delaware

Choosing Between Fiberglass and Vinyl Windows

When considering window replacement for home improvements, choosing the right material is essential. Fiberglass and vinyl windows are two popular options, each with its own set of benefits and drawbacks. Understanding these can help you make an informed decision for your window installation project.

Durability and Strength

Fiberglass windows are known for their exceptional strength and durability. Made from glass fibers and resin, they can withstand extreme weather conditions without warping or cracking, making them an excellent choice for homes in areas with harsh climates. Vinyl windows, on the other hand, are constructed from polyvinyl chloride (PVC). While they are also durable and resistant to weather, they may not be as strong as fiberglass in extreme conditions.

Energy Efficiency

Energy efficiency is a significant consideration when selecting windows. Fiberglass windows offer superior insulation properties, thanks to their low thermal conductivity. This means they can help keep your home warmer in the winter and cooler in the summer, potentially lowering your energy bills. Vinyl windows are also energy efficient but may not match the insulating capabilities of fiberglass. Both options can be fitted with energy-efficient glass to enhance performance.


One of the appealing aspects of vinyl windows is their low maintenance requirements. They are resistant to rot, corrosion, and pests, and they never need painting. A simple cleaning with soap and water is usually enough to keep them looking new. Fiberglass windows, while also low maintenance, may require additional painting to maintain their appearance over time. However, they are resistant to rot and pests, making them a durable option.

Visual Appeal

When it comes to visual appeal, both fiberglass and vinyl windows offer a variety of styles and colors to match your home’s design. Fiberglass windows can be painted to any color, offering more customization options. They also have a sleek, modern look that can enhance the appearance of your home. Vinyl windows are available in a range of colors and finishes, but they can’t be painted, limiting customization options slightly. However, they still provide a clean, attractive look suitable for many homes.


Cost is always a factor in home improvements. Vinyl windows are generally more affordable than fiberglass windows, making them a popular choice for budget-conscious homeowners. Their lower initial cost combined with low maintenance makes vinyl a more cost-effective option. Fiberglass windows, while more expensive up front, offer long-term value due to their durability and energy efficiency. They can be a worthwhile investment if you’re looking for longevity and performance.


Both fiberglass and vinyl windows are relatively easy to install, however, professional installation is recommended to achieve the best results. Proper installation ensures that the windows are airtight and perform as intended, providing maximum energy efficiency and durability. Whether you choose fiberglass or vinyl, hiring an experienced professional to install your new windows can make a significant difference in their performance and lifespan.


Choosing between fiberglass and vinyl windows depends on your specific needs and preferences, as well as your budget. Fiberglass windows offer superior strength, energy efficiency, and customization options, but come at a higher cost. Vinyl windows are affordable, low maintenance, and provide good energy efficiency, making them a popular choice for many homeowners. Consider your budget, aesthetic preferences, and long-term goals when making your decision. Whichever option you choose, both fiberglass and vinyl windows can enhance the comfort and beauty of your home.

Reach Out to the Experts

Ferris Home Improvements has been a trusted name in Delaware for over 20 years. From a one-man operation, we’ve evolved into a dedicated team with a combined 40 years of experience. Our expert craftsmen excel in various services including roofing, windows, and kitchen remodeling. We handle projects of all sizes, offering personalized service from design to installation. Our attention to detail and commitment to quality sets us apart in an industry where trust is of the utmost importance. As a local, family-owned business, we take pride in our work and strive for complete customer satisfaction. We look forward to serving you from our two locations in Newark and Rehoboth.

For more information about the products and services we provide our customers, contact us via our website or give us a call at 302-300-1272.