Gas fireplaces, including inserts, can be direct-vent or ventless. Direct-vent systems are usually more expensive and less energy-efficient since heat escapes up the chimney. Unvented or vent-free ...

Q. I plan to install a gas fireplace myself for additional heat in a large family room. I want an efficient one, but one which also has realistic flames. Is a direct-vent design my best option?

For a fireplace that will help you heat a room, a direct vent gas burning system can be a better option. “The majority of my customers who want to upgrade their fireplace are looking at direct ...

How does this relate to the wall or ceiling penetration for a typical direct vent gas fireplace? A mere 3/8-inch gap left around 5-inch x 8-inch direct vent pipe is equivalent to a 1-inch hole. The ...

Dear Jerry: This summer, I was sitting outside and I noticed about a half dozen small birds that were going to my neighbor's gas fireplace ... that services direct vent fireplaces, to have ...