Small Wood Burning Fireplace Insert. In this video, this old house plumbing and heating expert richard trethewey shows how to dramatically increase the heat output of a wood burning fireplace insert. Before you purchase your wood burning fireplace insert, you need to make sure that you have the right size.

Includes a painted black cast iron door.

In this video, this old house plumbing and heating expert richard trethewey shows how to dramatically increase the heat output of a wood burning fireplace insert. This insert's flush design takes the wood insert category to a whole new level. Inserts are small enough to fit into most traditional masonry the benefits of a gas fireplace insert. Invented in 1896 by joab r.