Fitting a Fireplace Insert in Existing Fireplace

Putting a fireplace insert in existing fireplace openings is probably the best home improvement project you'll ever tackle if you're tired of watching your heat (and money) literally fly up the chimney. Most of us love the look of a traditional masonry fireplace, but let's be honest: they're pretty terrible at actually heating a room. They're basically big holes in the wall that suck the warm air out of your house and replace it with a cold draft. That's where an insert comes in. ...

May 10, 2026 · 6 min · Tricia Samaria