Energy Efficiency
All Sun products are designed and built to provide superior energy saving performance. Sun continually researches and refines its products to provide the best possible performance and durability. Energy conservation saves you money on heating and cooling your home and, at the same time, provides a more comfortable living environment.
Sun Windows is a participating member of the Energy Star® program for windows. Look for the Energy Star® label when selecting energy-saving products. Learn more on our Energy Star® page.
See Sun's Performance Ratings
See Sun's Certifications page
See ClimaGuard™ 55/27
See ClimaGuard™ 63/31
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Winter Comfort & Energy Efficiency Products with Sun's Hi-Performance LowE II I.G. option allow the warm solar energy produced by the sun to pass through the I.G. unit, while preventing the heat inside from escaping. This saves you heating dollars and makes your home more comfortable at the same time. |
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Summer Comfort & Energy Efficiency During the summer months the focus of energy efficiency is on keeping the cool air in and the heat out. Products with Sun's Hi-Performance LowE II I.G. option block the sun's reflected energy. This helps keep your home cooler and reduces your cooling bills. |