That means that less of the heat from burning the fuel goes up the flue. This doesn't mean it is the best way to heat your house. It won't heat a house as evenly, but a direct vent gas fireplace with a good blower can be fairly efficient and can definitely heat 1400 square feet (provided you size the insert correctly).
Hereof, how much does it cost to run your gas fireplace?
Most of the heat that is produced will go up the chimney in this case. For the equivalent in a gas insert or gas fireplace, a large could use about 40,000 BTU/hour and in this case would cost about $0.40/hour to operate for natural gas and about $1.31/hour for propane.
Do gas fireplaces get hot?
Everyone knows that fire is hot. But areas around a fire can get hot too, including the surfaces of the fireplace. In particular, the glass on the front of gas fireplaces can get very hot, with temperatures reaching levels high enough to cause severe burns.
What burns hotter wood or gas?
You can get more heat from wood because it burns hotter than both propane and natural gas. This also means that outdoor cooking is easier to accomplish with wood burning applications than gas ones.
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