A direct vent gas fireplace is safe to run all day: it is a sealed appliance designed for continuous operation, and with an annual service and a working CO alarm, running it dawn to midnight is using it as built. The answer changes with the type. B-vent units are fine with sound venting, vented log … Read more
A gas fireplace that keeps shutting off is usually telling on one of four parts: a weakening thermopile, a dirty pilot assembly, an overheat switch doing its job, or a remote thermostat you forgot was in charge. The timing of the shutoff is the diagnostic: seconds after lighting points at the sensor, several minutes in … Read more
A gas fireplace pilot light that will not stay lit is a thermocouple problem nine times out of ten: either the sensor is dirty, or it is worn out, and they wear out on a schedule, 8 to 12 years almost to the month. The fix runs from free (cleaning) to $100 to $350 (replacement) … Read more
FireplaceIQ is reader supported. If you buy through a link on this page we may earn a commission. It never changes what you pay. Details in our affiliate disclosure. The best gas fireplace insert for most homes in 2026 is the Regency Energy E33: a 35,000 BTU workhorse with real efficiency, a flame that looks … Read more
Used exactly as the manual says, in a large enough room, for a few hours at a time, a modern ventless fireplace is safe for most healthy adults: the oxygen depletion sensor that shuts it off works, and documented CO deaths from properly installed modern units are rare. That is the honest yes. The honest … Read more
FireplaceIQ is reader supported. If you buy through a link on this page we may earn a commission. It never changes what you pay. Details in our affiliate disclosure. Direct vent is the right answer for most people, and here is the whole comparison in three sentences. A direct vent gas fireplace is sealed: it … Read more
FireplaceIQ is reader supported. If you buy through a link on this page we may earn a commission. It never changes what you pay. Details in our affiliate disclosure. Short version: gas logs cost $300 to $2,500 installed and give you a beautiful fire that barely heats. A gas insert costs $2,000 to $5,000 installed … Read more
FireplaceIQ is reader supported. If you buy through a link on this page we may earn a commission. It never changes what you pay. Details in our affiliate disclosure. Short version: vented gas logs look like a real wood fire and send most of their heat up the chimney. Ventless logs keep nearly all the … Read more