7 Surprisingly Sneaky Reasons Your Home Is Always Freezing

That chilly draft is not always coming from your window.

Cold weather is one thing, but no one likes to feel freezing indoors, where you’re supposed to be warm and cozy. So if your heater and blankets aren’t cutting it, you might wonder: What gives?

Usually, your window is the most common culprit of a cold and drafty space. About 30% of a home’s heating energy is lost through windows, according to the Department of Energy.

But beyond windows, there are several reasons why your home could feel colder than it should. Here’s why you should address them sooner rather than later, according to experts:

Your A/C unit is letting air in.

Katie Whitaker, founder of New York City-based home repair business Handyma’am, said one of the most common causes of a too-cold home is a window air conditioning unit that has been left installed over the winter.