SoftLite has several windows that meet the stringent ENERGY STAR 7.0 requirements. The various compliant windows feature combinations of different glass packages and options and comply in different climate zones. SoftLite windows offers ENERGY STAR-certified and Most Efficient products across its product lines, depending on the climate zone. Our Elements and Imperial Elite lines offer the most ENERGY STAR 7.0 options. Alternately, casement and picture windows also offer many glass packages that meet the criteria. 

To find out a climate zone by county, use ENERGY STAR’s handy tool.

Most Efficient Products boast even higher-performance designs and insulated glass systems. The ENERGY STAR Most Efficient prestigious designation recognizes the most efficient products among those that qualify for ENERGY STAR. Starting in 2023, only Most Efficient windows are eligible for Federal Tax Credits. Learn about the Most Efficient criteria for each window type:

• Vertical Slider (Single- and Double-Hung)
• Horizontal Slider
• Casement Style (Awning, Projected, Hopper, Tilt-and-Turn, etc.)
• Fixed or Picture
• Sliding Glass (Patio) Door

Click here for the 2024 Most Efficient criteria