How Long Can You Run a Ventless Fireplace? We Traced the Number
The two-to-three-hour limit is everywhere online. We followed it to its source and found retailer blogs, not a standard. Here is what does govern run time.
carbon monoxide
Ventless Fireplace in a Basement or Airtight Home: The Risk Changes
A newer, tighter house is not a safer house for a vent-free burner. Here is what the code’s room-volume rule actually assumes, and what it does not.
Who Should Not Use a Ventless Fireplace: The Household Test
Some households should not run one of these at all. Here is what the codes, the standard and the manufacturers actually say about who is at higher risk.
Ventless Fireplace as Primary Heat: What Code Says
Can a ventless fireplace be your only heat source? Model code says unvented room heaters must not be the sole source of comfort heating. Here is why.
Ventless Fireplace vs Space Heater: How Each One Fails
Ventless fireplace vs space heater: the plug-in heater’s documented harm is fire, the gas unit’s is what it adds to your indoor air. An honest comparison.
Convert a Wood Fireplace to Ventless Gas Logs: Read First
Before you convert a wood fireplace to ventless gas logs, five questions decide it: firebox listing, room volume, local code and licensed gas work.
Gas Logs vs Wood-Burning Fireplace: Honest Guide
Gas logs vs a wood-burning fireplace: the vented and vent-free versions are different appliances, and only one keeps using your chimney.
Direct Vent vs Ventless Gas Fireplace: Honest Guide
The real difference between direct vent and ventless gas fireplaces: sealed combustion, what the ODS does not do, and why the room decides.