Nothing complements contemporary, minimalist décor more than a sleek, linear gas fireplace. On the one hand, the look is thoroughly modern, yet, it adds a sense of old-fashioned comfort and warmth. Best of all, you don’t have to deal with storing firewood or cleaning ashes.

Rather than the traditional tall rectangle, a linear fireplace has a long, low profile. That leaves room for a wall-hung big screen TV above it if you like. The design vents the heat out, not up, so that it’s safe to hang not only a TV but also valuable artwork...