We currently have an electric fireplace that we are wanting to replace with gas logs. Trying to decide between a direct vent vs ventless system. We do not have a chimney but the fireplace is on an outside wall. There is a covered porch that the wall shares but it’s open and not walled or screened in, hopefully that makes sense.

We are wanting the gas fireplace mostly for heat in case power goes out. Currently have geothermal hvac system but wife wants a family room with more heat. The electric fireplace puts out heat like a space heater but the room is larger and is not efficient. I don’t believe a wood burning stove or fireplace is possible because it would be very expensive to add a chimney.

Have been told by 1 fireplace store that direct vent option would be more expensive only because of the need to add the vent to the outside wall.

A ventless system was quoted around 7k for firebox, log and gas line installation. This does not include finishing the fireplace surround (stone, wood, tile, etc).

We aren’t huge fans of the ventless systems due to the negative aspects of decreased 02 levels, mold etc. But we also don’t want to pay a ton more money.

At the fireplace store we noticed the ventless system heated the room air up quicker compared to direct vent. But after while the direct vent was heating the furniture and floor vs the air which almost made it seem warmer.

So what’s the best option for new fireplace that will provide supplemental heat (more than space heater) but still somewhat safe? Any opinions, options, recommendations or advice is appreciated. Thanks!