Why Replace Existing Windows?
Old, drafty windows can lead to higher heating and cooling costs. When considering whether to update or replace them, energy efficiency should be a top priority.
Renewal by Andersen designs windows to reduce energy loss, helping you stay warm in winter and cool in summer. Our advanced window technology provides long-term savings and a more sustainable home.
4 Ways to Improve Window Energy Efficiency
Shopping for energy efficient windows can seem overwhelming. Renewal by Andersen builds windows with every component they need to perform at their best. Discover four key factor that improve window energy efficiency!
Window Frames
The frame of your window plays a big role in energy efficiency. Our exclusive Fibrex® material is stronger than vinyl while more durable and insulating than wood. Unlike other materials, Fibrex® material resists warping and cracking, so your windows perform efficiently for decades.
Energy-Efficient Glass
Glass is key to energy efficiency. Our High-Performance Low-E4® SmartSun™ glass is up to 70% more energy efficient in summer and blocks 95% of harmful UV rays. This helps protect your home from heat gain while reducing fading on furniture and floors.
Window Style
Even the way a window opens can impact efficiency! Our casement and double-hung windows offer a tight seal when closed, preventing air leaks. Choosing the right operating style offers better insulation and improved energy savings.
Expert Installation
Proper installation is just as important as the window itself. Master Installers fit your replacement window precisely. When a window fits properly, drafts are eliminated. With our warranty, you can trust that your windows will perform as expected for years to come. Learn more our window installation process!
ENERGY STAR® Certified Windows
Renewal by Andersen windows meet or exceed ENERGY STAR® standards, providing proven energy savings. Replacing old windows with ENERGY STAR® certified ones can help lower household energy bills by 13% on average.
Renewal by Andersen Sustainability
We are dedicated to sustainability at every step. Our Cottage Grove, Minnesota factory and offices are powered by 100% renewable electricity. Additionally, our Acclaim™ replacement windows are assembled using 100% renewable energy. These efforts reduce our environmental impact while delivering high-quality windows to your home.
Long-Term Cost Savings
Energy efficient windows are an investment that pays off over time. By reducing energy waste, they help lower your monthly utility bills. Plus, their durability means fewer replacements and repairs, adding even more value to your home.