Gas fireplaces are a great addition to any home since they are so easy to use, clean, and maintain. Additionally, they are energy efficient and more environmentally friendly than wood-burning ones.

Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy.

When the weather turns cold and wet, our homes are a warm respite—and where we spend so much of our time during the chilliest months of the year. If your house has a fireplace, even better. The ...