As a homeowner, you probably know that your windows need periodic replacing to keep your house in good repair.

But beyond that, many homeowners don’t know as much about home window replacement as they probably should.

If you aren’t sure how, when or why you should hire replacement window installers to update your home’s windows, take a look at these four common questions people have about replacing windows, along with their answers:

Q: How do I choose the right local window installers?

A: There are approximately 12,000 different window installation companies across the country, so you’ll never have a hard time with finding a company near you! You should ideally hire window replacement professionals with a good reputation and several years of experience with home window replacements.

Q: How much do new windows cost?

A: The cost of installing new windows varies widely depending on the size of your windows, the number of windows you have replaced and the quality of windows you choose to buy. There are a number of other variables that can affect cost, and all should be discussed with a window installation professional.

Q: How do I know when I should replace my windows?

A: Generally, the lifespan of a window is around 10 to 15 years. If you aren’t sure how old your windows are, some other warning signs are a noticeable draft, cracked or rotting window trim, cloudy window panes or if you have trouble opening and closing the window.

Q: Why should I spend money on installing new windows?

A: There are a huge number of benefits that come with home window replacements. New windows are more energy-efficient and can save you hundreds each year on energy and heating and cooling costs.

Knowing how and when to get your home’s windows replaced will benefit you in a wide variety of ways. Your home’s value will even increase when you have new, energy-efficient windows installed. And since your house is the largest financial investment you have, it’s important to make sure your investment is protected.