Who Manufacturers Energy Star Rated Replacement Windows?

Energy Star Rated replacement windows are becoming increasingly popular among homeowners seeking to improve the energy efficiency of their homes. These windows are designed to meet strict criteria set by the Environmental Protection Agency (EPA) and the Department of Energy (DOE), ensuring they offer significant energy savings and environmental benefits. But who are the manufacturers behind these innovative windows? In this article, we will explore the leading manufacturers of Energy Star Rated replacement windows and the key features that set them apart.

Understanding Energy Star Ratings

When choosing replacement windows for your home, Energy Star Ratings are crucial. These ratings indicate that the window has been independently tested and certified to meet or exceed specific energy performance standards. You can significantly reduce your energy bills and carbon footprint by opting for Energy Star Rated windows.

Energy Star Rated windows are designed to keep your home comfortable year-round. In the winter, they minimize heat loss, helping to keep your home warm and cozy. In the summer, they reduce heat gain, preventing your home from becoming uncomfortably hot. This means you can enjoy a comfortable living environment regardless of season.

The Importance of Energy Star Ratings

Energy Star Ratings are vital in ensuring that the windows you choose for your home are energy-efficient. These ratings are not just a marketing gimmick – rigorous testing and certification processes back them. When a window carries the Energy Star label, you can have confidence that it meets strict performance criteria.

By investing in Energy Star Rated windows, you are not only making a smart financial decision but also a responsible environmental choice. These windows help to reduce the energy demand, which in turn reduces greenhouse gas emissions. This means that you are actively contributing to the fight against climate change by choosing Energy Star Rated windows.

How Energy Star Ratings are Determined

Energy Star Ratings are not just handed out arbitrarily. They are determined through rigorous testing conducted by independent laboratories. These tests evaluate various factors that impact a window’s energy performance.

One of the factors evaluated is the U-Factor. This measures how well a window insulates. A lower U-Factor indicates better insulation, meaning less heat is lost through the window. Choosing windows with a low U-Factor ensures that your home remains warm and cozy during the winter months.

The Solar Heat Gain Coefficient (SHGC) is another important factor in Energy Star Ratings. This coefficient determines how much heat from the sun the window blocks. Windows with a low SHGC are effective at reducing heat gain, helping to keep your home cool during the hot summer months.

Visible Transmittance (VT) is a factor that indicates the amount of natural light that can pass through the glass. Windows with a high VT allow more natural light into your home, reducing the need for artificial lighting and creating a brighter living space.

Air Leakage (AL) is also evaluated during the testing process. This measures the amount of air that can leak through the window. Windows with a low AL are more airtight, reducing drafts and improving energy efficiency.

Windows that meet or exceed the set criteria for these factors earn the Energy Star label. This label guarantees that the window you purchase is energy-efficient and will help you save on energy costs.


Leading Manufacturers of Energy Star Rated Windows

Pella Corporation

Pella Corporation is a renowned manufacturer of Energy Star Rated replacement windows. With over 90 years of experience in the industry, Pella has established itself as a trusted name among homeowners. They offer various window styles, including casement, double-hung, and sliding windows, catering to different architectural preferences.

Andersen Corporation

Andersen Corporation is another prominent manufacturer of Energy Star Rated replacement windows. With a history dating back to 1903, Andersen has built a reputation for durability, energy efficiency, and timeless design. Their windows withstand harsh weather conditions while maintaining their structural integrity.

One of the key features of Andersen windows is their use of low-E4 glass. This innovative glass technology provides superior energy efficiency by reflecting heat into the room during the winter and blocking unwanted heat from entering during the summer. Furthermore, the Low-E4 glass helps to block harmful UV rays that can fade furniture and flooring, preserving the beauty of your home’s interior. With their commitment to sustainability and quality craftsmanship, Andersen windows offer homeowners peace of mind and long-lasting performance.


JELD-WEN is a leading Energy Star Rated replacement windows manufacturer, trusted by homeowners worldwide. With a global presence spanning over 25 countries, JELD-WEN has established itself as a reliable choice for those seeking energy-efficient windows with aesthetic appeal.

What sets JELD-WEN windows apart is their attention to detail and various design options. They offer a wide range of window styles, from traditional to contemporary, allowing homeowners to find the perfect fit for their architectural style. JELD-WEN’s windows feature multiple panes of glass, which provide added insulation and reduce heat transfer. Additionally, they incorporate low-emissivity coatings and warm-edge spacers, further enhancing thermal performance and energy efficiency. With JELD-WEN windows, homeowners can enjoy lower energy consumption, increased comfort, and a visually appealing home.


Key Features of Energy Star Rated Windows

Energy Efficiency

One of the primary benefits of Energy Star Rated replacement windows is their exceptional energy efficiency. These windows help minimize heat transfer, keeping your home comfortable and reducing the strain on your heating and cooling systems. Energy Star Rated windows contribute to a greener and more sustainable future by reducing energy consumption.

Durability and Quality

Energy Star Rated windows are manufactured to the highest quality and durability standards. These windows are built to withstand various weather conditions, providing long-lasting performance and protection for your home. They often come with extended warranties, giving homeowners peace of mind.

Noise Reduction

Beyond their energy-saving benefits, Energy Star Rated replacement windows can also help reduce outdoor noise infiltration. The advanced technology used in these windows effectively blocks noise transmission, creating a peaceful and quiet interior environment.


The Process of Replacing Windows with Energy Star Rated Ones

Assessing Your Current Windows

Before replacing your windows with Energy Star Rated ones, it is essential to assess the condition of your current windows. Look for signs of deterioration, such as drafts, water leaks, or difficulty opening and closing. Evaluate the overall energy performance of your current windows to determine the potential benefits of upgrading.

Choosing the Right Energy Star Rated Windows

When selecting Energy Star Rated replacement windows, consider window style, frame material, and glass options. Assess your home’s architectural style and personal preferences to find windows that complement your property’s interior and exterior. Consult with window experts or contractors to ensure you choose the right windows for your needs.

Installation Process

Proper installation is key to maximizing the energy efficiency and performance of your Energy Star Rated windows. Hiring a professional installer ensures the windows are correctly fitted and effectively sealed to prevent air leakage. A well-executed installation will optimize the benefits of your energy-efficient windows for years.

In conclusion, several reputable manufacturers produce Energy Star Rated replacement windows, offering various styles, features, and benefits. Pella Corporation, Andersen Corporation, and JELD-WEN are among the leading manufacturers in this space, known for their commitment to energy efficiency, durability, and quality. By choosing Energy Star Rated windows, you can improve your home’s energy efficiency, reduce your carbon footprint, and enhance the comfort and value of your property. So why wait? Explore the options available from these manufacturers and decide to upgrade your windows today.