New windows offer revitalizing ventilation, exceptional beauty, consistent energy savings, and refreshing indoor noise reduction. Faulty windows leave your home open to damaging moisture intrusion and allow outdoor temperatures to seep inside, making your house uncomfortable and its energy efficiency poor. Over time, window performance decreases. You’ll see signs of this like damaged weather stripping, failed seals, and other broken components.
How do you know if you need new windows? Read on to uncover the telltale signs it’s time for replacements.
Clues You’ll Spot When It’s Time for Replacement Windows
1. Difficulty Opening or Closing Windows
Your windows should open and close with ease. If they don’t, it’s not only inconvenient, but it’s also a safety issue. Windows should function with minimal effort on your part in case you had to exit through one during an emergency. If your windows are stuck closed, it’s time for replacements.
2. Visible Damage Such as Cracks
If a fly ball made its way through one of your windows or they are cracked or damaged due to other issues (like flying debris in a storm), it’s important that you replace the broken window immediately. Cracked window glass has a poor appearance and lowers energy efficiency. Most importantly, it decreases home security, making it vulnerable to intruders.
3. Indoor Drafts that Cause Energy Bills to Rise
When your windows underperform, your energy bills rise. Drafts cause your home to be uncomfortably cool in the winter and hot in the summer. The cause could be your aging windows or a poor installation job. Single-pane windows may also contribute to high energy bills. The good news is that replacing your current windows with ENERGY STAR® rated new ones will make your home comfortable again and lower your energy bills.
4. Unwanted Noise Intrusion
If your home’s atmosphere is hindered because of too much street noise, the sound of planes flying overhead, or your neighbor’s barking dog, it may be time for new windows. Why? Because they’ll decrease the amount of noise infiltration into your home. While replacement windows won’t completely soundproof your interior, they will reduce noise intrusion, making your interior a more peaceful place to enjoy.
5. Moisture Issues
If you spot water damage such as mold, mildew, or deterioration, the longer you leave the situation unaddressed, the more the problem will spread. Water stains or signs of wood rot on window frames are unsightly and clear evidence of aging window issues. Don’t risk the problems unhealthy mold can cause, including aggravating some respiratory conditions. If you spot evidence of water intrusion, it’s time for replacement windows.
6. Condensation between Windowpanes
Condensation outside your windows isn’t concerning, but if you notice condensation inside your windows, that’s a problem. Condensation between the panes of glass in your double- or triple-pane windows means the airtight seal has failed, and the insulating gas has seeped out. Check the manufacturer’s warranty, and if seal failure is not covered, it may be time for replacement windows.
7. Outdated Style
Are your windows causing your home to look less than ideal? Outdated grille patterns, single-paned glass, and out-of-style colors can detract from your curb appeal and home value. Aesthetics are an important part of your house’s charm, and if your windows don’t contribute to your vision for your home’s looks, perhaps it’s time for replacements. Windows are a powerful way to make a statement, and their style should boost your overall design. They add elegance to each room by complementing its size, shape, and ambiance.
8. Unwanted Pests in Your Home
Critters make their way into homes with compromised windows that create vulnerable gaps where they can get in and endeavor to make your home theirs. Gaps in caulking, worn-out weather stripping, and water damage can all create openings where pests can get into your house. If you spot critters, it may be time to consider getting new windows. Today’s replacement windows fortify your abode’s protective layer against pest infestation.
Enjoy the Beauty and Energy Efficiency of New Windows
Don’t settle for failing windows in your St. Louis home. Transform your property with stylish replacement windows and gain the benefits of optimal energy efficiency, low maintenance, and refreshing breezes.
At Replacement Windows by Lakeside, our fiberglass window installation services are backed by Infinity from Marvin’s lifetime warranty, and our workmanship warranty. Learn more about how our windows services can add stunning beauty to your home and increase its value.
Ready to upgrade your windows but not sure where to start?
Our expert guide walks you through everything you need to know! Discover the best options for energy efficiency, style, and long-term value. Check out the Ultimate Guide to Replacement Windows today!


