Gas Logs

  • High Efficiency 
  • Simplistic Conversion Processes 
  • Change the Entire Room Environment
  • Lower Price Points than Direct Vent or Insert Projects


A Vent-Free system uses room air for combustion and delivers 99.9% of the available heat energy directly to the room. Vent-Free systems have an unmatched safety record, thanks in part to their clean-burning technology and their Oxygen Depletion Sensor, which instantly shuts off the valve if oxygen in the room drops to and unsafe level. Because no venting is required, Vent-Free systems offer more installation options.


  • Unmatched efficiency – 99.9%
  • Offers the most installation versatility
  • Usually less expensive to buy and to install
  • Can operate with a remote or thermostat
  • Most systems can provide live-saving heat during a winter power outage
  • Choose fireplace, insert, heater, cast iron stove, burner and log set, or contemporary burner


  • Good efficiency – 60 to 80%
  • Good heat output with thermal transfer through the glass and air circulation
  • Separates room air from combustion air
  • May be used as primary heat source
  • Can operate with a remote or thermostat
  • Most systems can provide life-saving heat during a winter power outage
  • Choose fireplace, insert, cast iron stove, or heater


Vented Gas Log Set installs in a wood-burning fireplace to provide all the ambiance of a real wood fire, but without the work of hauling in logs, lighting the kindling, tending the fire, and hauling out the ash. You simply light the fire when you want it and turn it off when you’re done. Sand pan burners allow you to arrange the log set to suit your taste. Choose a traditional match-light set – or one of our new Manual or Millivolt Systems for even greater operating ease.

Contemporary Loft Series Burners

A vent-free Millivolt Loft Burner may also be installed as a decorative appliance in a vented fireplace to provide ambiance and light – but without the heat. In a vented installation, the burner cannot be operated by thermostat, and the flue damper must be blocked open. A damper clamp is included with all Loft burners.  

Because IP Loft Burners include a thermostat remote and may not be installed as decorative appliances, a non-thermostat remote is available. Loft Burners deliver a contemporary look with an artistic flair – by itself or accessorized to suit the room. Choose decorative tops and firebox liners, in reflective black or brushed stainless steel, and crushed glass in black polished, blue clear, and clear frost.


  • 18, 24 and 30-inch Vent-Free Burners – up to 40,000 Btu
  • Millivolt models include an on/off switch but will operate with Empire remote controls and thermostats
  • Intermittent Pilot models include a variable flame height thermostat remote control with 30 percent turndown (for vent-free installation only)
  • Special 10,000 Btu Millivolt model for bedroom applications (where allowed by code)



Appearance: Both vented and vent-free gas log fireplaces are designed to mimic the appearance of a traditional wood-burning fireplace, with realistic-looking logs and flames.

Convenience: Both types of gas log fireplaces provide instant heat with the flip of a switch or the press of a remote control button, offering the convenience of easy operation. As one homeowner expressed, “Vented gas log fireplaces provide the charm of a traditional wood-burning fireplace with the added convenience of gas.”

Heat Output: Both vented and vent-free gas log fireplaces are capable of producing a significant amount of heat, effectively warming up a room or an entire home, depending on the model and size.


Ventilation: Vented gas log fireplaces require a chimney or a venting system to exhaust the combustion gases outside. The venting allows for the removal of carbon monoxide and other byproducts of combustion. In contrast, vent-free gas log fireplaces are designed to operate without a venting system. They release the combustion gases directly into the room, relying on a specialized oxygen depletion sensor (ODS) to monitor and maintain safe oxygen levels. As another homeowner noted, “The venting system in vented gas log fireplaces ensures safe indoor air quality by expelling combustion byproducts.”

Installation: Vented gas log fireplaces require proper installation with a venting system, which may involve connecting to an existing chimney or installing a dedicated vent pipe. Vent-free gas log fireplaces are easier to install since they do not require a venting system. They can be placed in various locations within a home, as long as there is adequate clearance and proper gas line connection.

Heat Efficiency: Vented gas log fireplaces tend to be less efficient in terms of heat output compared to vent-free gas log fireplaces. This is because a significant amount of heat is lost through the venting system in vented models. Vent-free gas log fireplaces are designed to maximize heat output since all the heat is released directly into the room. As another homeowner shared, “Vent-free gas log fireplaces maximize heat output, as all the warmth stays in the room.”

Indoor Air Quality: Vented gas log fireplaces are preferred for those who prioritize indoor air quality. The venting system effectively removes combustion byproducts and moisture, reducing the impact on indoor air quality. Vent-free gas log fireplaces, on the other hand, release combustion byproducts into the room, which can potentially affect air quality, especially in tightly sealed spaces.

Fuel Consumption: Due to the need for venting, vented gas log fireplaces typically consume more fuel (natural gas or propane) compared to vent-free gas log fireplaces. Vent-free models are designed to operate with high efficiency, utilizing almost all the gas for heat production without any waste through the venting system.

Glowing Logs

Hargrove's Log Glow Series is dual certified for vent-free and vented operation. Compact burner designs are available in both manual and remote control models. The warmth and radiance of the Highland and Charleston Glow will add natural beauty and comfort to your home.

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