Do gas fireplaces need to be vented. A large open space such as a great room should handle a ventless gaspropane fireplace with a 25000 btu or higher output akin to the heat output from a sealed and vented gas fireplace. They can be installed anywhere without the tedious task of making external structural changes to your home. Most will have adjustable settings so a 40000 btu fireplace does not need to be operating at full capacity all the time.
They use a system much like a gas stove performing at nearly 99 energy efficiency since all of the heat is released directly into your home. For smaller rooms such as a bedroom or bathroom ventless gas or propane fueled fireplaces can be sized down to 5000 btus. Gas log fireplaces generally are capable of heating the rooms they are ineven large living rooms or family rooms.
Negative features of vented gas logs. You may need to install a hood to divert heat away from it. Dos and donts for vented gas logs.
What you need to know about gas fireplaces for a first time gas fireplace owner there is a lot to consider before committing to a fixed piece in your home.