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Loyalty commitment, enthusiasm and a consistently good performance. That's what makes an ideal partner.

It's also why Alside is the only three-time recipient of the ENERGY STAR® Partner of the Year award for demonstrating continued excellence in educating consumers on the benefits of the ENERGY STAR program and for industry-leading production of ENERGY STAR qualified windows.

This prestigious award recognizes Alside as a leader in an elite group of window manufacturers. More importantly, it's your assurance that our windows are built for maximum energy savings. Precision-engineered for outstanding thermal efficiency, Alside windows with the ClimaTech® insulating glass package are ENERGY STAR qualified for all U.S. climate zones. ClimaTech incorporates PPG's high-performance Low-E glass with argon gas and the Intercept™ Warm Edge Spacer System to help keep your home warm in the winter and cool in the summer.

Each year, the average household spends more than 40% of its energy budget on heating and cooling costs. With ENERGY STAR qualified windows, you can reduce those bills by up to 15%. You'll save money, and at the same time, make a positive impact on the environment by reducing fuel consumption. Now, that's a winning performance!

Alside Windows are designed for superior thermal performance. By choosing the ClimaTech™ insulated glass package, featuring PPG's Low-E Glass and the Interceptô Warm Edge Spacer System, you can help reduce your energy costs even more, while further reducing consumption of fossil fuels.

Since 80% of a window is glass, substantial heating and cooling savings come from improved glass performance.

Our combination of UV-filtering Low-E Glass, insulating argon gas and the Intercept™ Warm Edge Spacer System creates significant energy efficiency. Together they can cut the damaging effects of the sun, which can lead to the fading of carpets, curtains and furniture by an additional 78% over clear insulated glass units.
In winter, a warmer glass temperature is maintained, increasing the R-value by an additional 104%.
In summer, a 48% reduction in solar heat gain helps cut air-condittioning costs.

The result: Your monthly utility bills will reflect savings year round.