Energy Star 7.0 Windows: What Wisconsin Homeowners Need to Know

As energy efficiency standards continue to change, Energy Star 7.0 is the latest update every homeowner should know about, especially if you’re thinking about replacing your windows in 2026. These new standards raise the bar for how windows are evaluated for energy performance, which can directly affect your home’s comfort, energy bills, and even resale value. 

Whether you’re trying to stay warm during brutal Wisconsin winters or cut cooling costs in summer, here’s what Energy Star 7.0 means for you. 

What Is Energy Star 7.0?

Launched by the U.S. Environmental Protection Agency, Energy Star 7.0 sets stricter guidelines for how windows, doors and skylights qualify for Energy Star certification. 

In short, windows now need to be even better at keeping heat in during the winter and blocking it out in the summer to earn the label. 

Why This Matters for Wisconsin Homes 

Living in a state that sees both subzero temperatures and hot, humid summers, Wisconsin homeowners benefit more than most from high-performance windows. With Energy Star 7.0:

  • You get higher efficiency ratings on qualifying products.
  • Your home stays warmer in winter and cooler in summer. 
  • You may be eligible for federal tax credits or utility rebates on qualified windows. 

Do Renewal by Andersen Windows Qualify?

Yes, Renewal by Andersen windows meet and exceed Energy Star 7.0 standards, especially in colder regions like Wisconsin. 

Our Fibrex® composite frames combined with High-Performance™ Low-E4® glass options provide:

  • Exceptional thermal insulation
  • Reduced heat loss and condensation
  • UV protection and optimized solar control 

Many of our window styles now come standard with options that meet or exceed these new requirements. 

How to Choose Energy Star 7.0 Certified Windows 

Here’s what to look for when shopping for new windows:

  • U-Factor of 0.22 or lower
  • SHGC of 0.17 or lower
  • ENERGY STAR 7.0 label for the Northern Climate Zone
  • Professional installation to ensure airtight performance

Why Choose Renewal by Andersen?

Our local experts understand how harsh winters, lake-effect weather, and big seasonal swings affect your home. We offer: 

  • Custom-fit windows made for Wisconsin homes
  • Energy-efficient glass and frame options that meet 7.0 specs
  • In-house installation crews
  • Local showrooms and design consultants near you

Ready to Upgrade to Energy Star 7.0 Windows?

Energy Star 7.0 isn’t just another standard; it’s a step toward better comfort, lower bills, and a more efficient home. Schedule your free consultation to get started.

Hear From Our Customers

Absolutely great experience. The installation team was very professional. We have also decided to replace two more windows next spring!

Appleton, WI

RBA did an excellent job and fast! 5 windows in 3 hours from the time they arrived, did the work & cleaned up. It was as if they had never been there, other than having these excellent replacement windows in place!

Green Bay, WI

We love our new windows! It’s beautiful, just what we wanted! No more leaky windows and matches my other windows perfectly!

Oshkosh, WI
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