Gorgeous & Functional Double Hung Windows for Your Home
As the most popular window style, ecoSmart 365 double hung windows provide top-notch performance with sophisticated style. The sashes open both at the top and bottom, allowing you to improve airflow inside your home. These windows also tilt in to make them easier to clean, and the screens can easily be removed from the inside.
Our double hung replacement windows come with patented SmartCore insulation and ecoCore full composite reinforcement, giving you a stronger, more durable window with a Limited Lifetime Warranty.
These affordable windows are specifically made for the weather in St. Louis. Designed to resist expansion and contraction, custom-made ecoSmart 365 windows will be a perfect fit for your home!
Why Choose Our Double Hung Replacement Windows?
When you’re looking for an energy-efficient replacement window, our ecoSmart 365 double hung windows are an excellent choice. You can expect a 25-35% savings on energy bills when you replace all of your windows—meaning they will pay for themselves in no time!
The same individual measures and installs your windows, which helps reduce error and results in a smoother installation process. Choosing double hung replacement windows from STL Windows Direct gives you:
- SmartCore high-density insulation with a National Fenestration Rating Council (NFRC) R-Value of 7.25 per inch of thickness, which is nearly two times the insulating properties of typical fiberglass insulation.
- 100% virgin vinyl instead of engineered wood and sawdust.
- Fusion-welded sashes and frames for superior durability and sealing against air and water.
- Triple-pane protection with krypton gas, which is four times more efficient than argon gas.
- A lifetime glass breakage warranty and lifetime guarantee against seal failure.
- EZLok, an all-in-one lock that secures and locks the windows with one quick motion.
- 10-year warranty against paint chipping, blistering, peeling or fading.
Get an Estimate for New Windows Today!
Considering new double hung windows for your St. Louis home? Let STL Windows Direct provide a free estimate for your window project. Call us today at (314) 690-5800 or fill out our contact form to reach us!