Dual Fuel Ventless Fireplace Conversion: Not a DIY Job
Dual fuel vent-free units and conversion kits: what a fuel conversion changes, why it is licensed work, and the questions to ask the gas fitter.
ANSI Z21.11.2
Types of Ventless Gas Fireplaces: Logs, Inserts, Stoves
The four vent-free shapes compared: what changes between gas logs, inserts, stoves and wall units, what does not change at all, and who decides.
How to Choose a Ventless Gas Fireplace: Safety and Code
How to choose a ventless gas fireplace in the order that matters: legality, room volume, the listing, the fuel, the licensed fitter. Code-sourced figures.