If you don't have a fireplace, but still want to hang stockings and decorate a mantel, you can craft one out of cardboard! Using cardboard display boards (ones students use for science projects), you can build a realistic (and lightweight) fireplace.
FREE picture repurpose with spray paint. I started with a few coats of white. Once it was dry, I taped off the rest to spray paint the black. After a few coats of that and more dry time, I added the heart with craft glue and gold glitter.