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The Usual Culprits Behind Drafty Windows

Drafty windows are one of the possible suspects behind a larger-than-expected electricity bill. According to the Department of Energy, heat gain and loss through windows account for 25% to 30% of residential heating and cooling costs. If you have drafty windows, this figure is expected to increase.

What are the usual suspects behind window damage?

The Usual Suspects Behind Drafty Windows

  • Brittle glazing putty – Rattling sounds are a sign that the glazing putty keeping your windows’ glass panes in place has turned brittle. Since the glass putty can no longer hold the window panes firmly in place, gaps (through which warm air can infiltrate your home) will inevitably emerge.

  • Extreme temperatures – Gaps between the glass panes and the window frame may also emerge if your windows’ frame materials aren’t suited to the local climate. When exposed to abrupt changes in temperature, certain frame materials contract and expand. Over time, repeated contractions and expansions may cause the window panes to shift and open up gaps. To minimize thermal movement in your windows, it’s important to choose energy-efficient windows made of materials that can handle the local climate.

  • Age – Age is another possible suspect behind window seal failure. Over time, the sealing on window glass will become worn and eventually fail.

  • Installation errors – Installation errors can damage the sealing on your windows, drastically shortening their lifespan.

Should You Repair or Replace Drafty Windows?

Window repairs may seem more cost-effective at first. However, they’re likely to cost you more in the long run. When the sealing on your windows’ insulated glass unit fails, the argon and krypton (two nontoxic gases that prevent heat transfer) trapped within the space between glass panes escapes. Repairs can fix the sealing on the insulated glass unit, but they can’t refill the insulated glass unit and restore its energy efficiency. That’s why in the long run, it makes more financial sense to get new ENERGY STAR® windows.

Looking for an energy-efficient window replacement?

Renewal by Andersen® of Southwest Missouri offers a wide variety of quality replacement windows. To schedule a free consultation, call us at (417) 268-9301, or fill out this form.

Reviews

"Excellent service and product! They checked in with me every few weeks while we were waiting for the order. I was impressed with Sam, who measured my windows and headed the installation crew. He was respectful and patient with his team. They cleaned up after themselves. Before the new windows I had huge windows that didn’t open. Now I feel much safer and get better temperatures in those rooms."

Kimberly Kester
Jul 18, 2022

"My experience with Anderson Renewal was amazing! From the first meeting with Miranda to choose my windows and doors to the installation provided by Tim and his crew was a pleasure! I just bought a home built in the 1960's that needed new windows and a new double front door with sidelights. As everyone knows Anderson Windows are great, but it was the people I interacted with from Anderson that made it such a great experience. It took three days for the windows and door to be installed and they "worked" every minute they were here. My huge front door took most of the day to install because they had to put in a new header and other improvements to make it fit! They even put up new drywall on the inside. Many people in the neighborhood have stopped by to comment on my beautiful front door! I think the crew left my house cleaner than it was before they started! Constantly cleaning up after themselves. I am thrilled with my windows and feel lucky to have met the team at Anderson."

Kimberly Wilson
Jul 17, 2022

"Very professional staff . No pressure sales. The job they do is neat and clean, no cleanup left for the owner. Communication is great. Always informed on the status of of your product, AND the tin of cookies you receive afterwards is a pleasant plus."

Peggy Spivy Morse
Jul 13, 2022

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