The Importance of Proper Window and Door Sizing

Why Window and Door Sizing Matters More Than You Think 

When it comes to upgrading your home, windows and doors might seem like simple components, but getting their sizing right is absolutely critical. At Renewal by Andersen, we understand that precision isn’t just about aesthetics; it’s about function, efficiency, comfort, and safety. 

Let’s break down why proper size truly matters when it comes to your home’s windows and doors. 

Energy Efficiency Starts With a Perfect Fit

Incorrectly sized windows or doors can lead to drafts, heat loss, and higher energy bills. Even the most advanced window technology can’t perform well if the fit is off. 

Custom-sized windows and doors: 

  • Seal perfectly against the frame
  • Eliminate air leaks
  • Improves insulation during Wisconsin winters and summers. 

When every unit is made to measure, your HVAC system doesn’t have to work as hard, which can result in long-term savings. 

Avoid Costly Structural Modifications 

One of the biggest benefits of working with Renewal by Andersen is that we custom-build your replacement windows to fit your existing openings. That means: 

  • No unexpected wall damage
  • No need to modify trim or siding
  • Faster, cleaner installation

Bonus: You preserve your home’s architectural integrity while updating it with high-performance materials. 

Maximize Natural Light Without Sacrificing Privacy 

Size impacts how much light enters your home. Too small, and the rooms feel dark. Too large, and you might feel overexposed. 

Our design consultants help you strike the perfect balance between: 

  • Lighting
  • Privacy
  • Curb appeal 

This is especially important for homes where privacy and daylight both play a big role in comfort. 

Safety and Functionality You Can Count On 

If a window or door doesn’t open or close properly due to poor sizing, it becomes more than a nuisance; it’s a safety risk. 

Properly sized installations ensure: 

  • Emergency egress in bedrooms
  • Reliable locking systems
  • Smooth operation for years to come 

Our certified installers ensure each window and door meets local building codes and safety standards. 

Better Aesthetics = Higher Home Value 

Mismatched or awkwardly sized windows can hurt your home’s curb appeal. When sizing is just right, everything looks balanced, modern, and polished, boosting resale value and pride in your home. 

The Renewal by Andersen Difference: Custom Measurements Every Time 

Unlike off-the-shelf options, we never use one-size-fits-all products. Our windows and doors are: 

  • Measured to a fraction of an inch
  • Built from scratch in the U.S. 
  • Installed by factory-certified professionals

Across Wisconsin, homeowners trust our process to get it right the first time. 

Ready to Replace? Let’s Size It Right

If you’re considering new windows or doors for your home, don’t leave sizing to guesswork. Let our team of design experts and certified installers handle the details so that you can enjoy a comfortable, stylish and efficient home. 

Schedule your free in-home consultation today! 

Hear From Our Customers

I cant express how happy we are with choosing Andersen for our window installation. Our sales representative was knowledgeable with product and answered any questions we had without hesitation. I did also fill out a survey that was sent in an email, but sadly I failed to personally name the two gentlemen that performed the actual installation. Barrett and Francisco were our guys, and let me tell you, they were outstanding!!! They did Excellent work and were professional as well as efficient and made this a smooth, none evasive process for us. I strongly recommend this company and these installers to anyone in need of windows!!! My husband and I could not be more pleased we chose Andersen for replacing our windows!!!

Jason and Brett did an awesome job installing our doors. We had separate installers a month earlier for our windows who also did a fantastic job. They were all very professional and cleaned up almost better than the area looked before the installation! Since these were both jobs that took more than one day the installers were great at keeping us informed on the status of where the project was at along the way.

This was a great crew to work with. Both the original install manager we worked with (Jay) and the install team (Daniel, Mason, Tony, Ethan, and Jose). Everyone was very professional and knowledgeable. They answered all my questions and the end result on the house is great. In 3 days they replaced an old bay window with a new bay window, a set of french doors on the patio with a sliding patio door, and our old front door with a new front door and storm door.

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Since its founding in 1977, the Alliance to Save Energy has been a leader in energy efficiency policy and advocacy. Over the years, the Alliance’s programs and priorities have evolved as U.S. energy efficiency policy has grown.