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Glass Doctor of Dallas Metroplex Blog

Energy Efficiency

Are High Heating Bills a Window Problem? Signs Your Glass Is Costing You Money

If your heating bills keep climbing, your windows may be part of the problem. Damaged, outdated, or poorly sealed glass can allow warm air to escape and cold air to sneak in—forcing your heating system to work overtime.

One of the most common signs is drafts near your windows. If you feel cold air even when the windows are closed, the seals may be failing. Condensation or fog between panes is another red flag, often indicating broken seals in double-pane windows that reduce insulation efficiency.

You might also notice uneven temperatures from room to room. Spaces with older windows often feel colder and require more heat to stay comfortable. Over time, this added strain shows up directly on your energy bill.

Cracked glass can also contribute to heat loss. Even small cracks weaken the window’s ability to insulate, allowing heat to escape more easily—especially during colder months.

The good news is that addressing window issues can lower energy costs. Simple repairs may restore performance, while replacing inefficient glass can significantly improve insulation and comfort.

If your heating bills seem unusually high, it may be time to have your windows inspected. Glass Doctor can assess your glass and help you determine whether a repair or replacement will keep more money—and heat—inside your home.

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Established in 1962 with 270+ trusted locations, Glass Doctor provides complete glass repair, replacement, and installation services to residential, automotive, and commercial customers across North America. Glass Doctor is a subsidiary of the Neighborly® family of service franchises.
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