Even though Southern California is known for sunshine and mild temperatures, residents of Glendale and Pasadena know that winter brings chilly evenings, gusty winds, and the occasional rainstorm. Before cold weather arrives, it’s important to make sure your windows are prepared to keep your home warm, comfortable, and energy efficient. At American Reliable Windows & Doors, we’ve helped homeowners throughout the San Fernando Valley and Los Angeles area identify and replace drafty windows for more than 20 years. Here’s how you can spot the signs early and take action before temperatures drop.
Drafty windows may seem like a small inconvenience, but they can lead to bigger issues over time. When cold air leaks into your home, your heating system has to work harder, leading to higher energy costs and a less comfortable indoor environment.
In areas like Glendale and Pasadena, where many homes are older and experience seasonal shifts, even small drafts can have noticeable effects. Identifying the problem early allows you to fix or replace windows before winter weather hits.
Drafty windows aren’t always obvious. Some show visible signs, while others require closer inspection. Here are the most common indicators homeowners should watch for:
If one room feels colder than the others, or you feel a chill when sitting near a window, it’s a clear sign of air infiltration. This often happens in older homes throughout Pasadena and parts of Glendale where original wood windows may have worn over time.
When your heating system works overtime to maintain warmth, your energy bills begin creeping upward. If you notice an unexplained spike in fall or winter, drafty windows may be to blame.
Moisture trapped between panes indicates seal failure, meaning the insulating gas has escaped. This is a common issue in aging double-pane windows across Southern California.
Time, sun exposure, and temperature shifts can cause window frames to expand, contract, and warp. Any noticeable gaps, especially in older homes, can let cold air in and warm air out.
If you see curtains sway or blinds shift when the window is fully closed, air is flowing where it shouldn’t be.
You don’t need professional tools to identify air leaks. A few quick tests can help pinpoint problem windows:
Any movement indicates an air leak.
This is especially noticeable at night when outdoor temperatures drop.
Have someone stand outside your home at night while you shine a flashlight from inside around the window frame. If light passes through, so does air.
Homes in these cities experience unique factors that contribute to window drafts:
Not all windows can be repaired effectively—especially if they’re decades old or severely damaged. Installing new, energy-efficient windows provides homeowners with:
At American Reliable Windows & Doors, we install top-quality products from Milgard, Ply Gem, Amerimax, Crystal, Fleetwood, and other trusted brands to ensure lasting results.
Don’t wait until the cold creeps in to address drafty windows. Our knowledgeable team is ready to help you evaluate your home’s needs and provide window solutions that improve comfort, efficiency, and long-term value.
Reach out to American Reliable Windows & Doors at (818) 787-1101 or submit our online contact form to schedule your free estimate. We’ll make sure your home is protected, efficient, and ready for the season ahead.
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