How many gallons of propane does a gas fireplace use?

In this manner, how much propane does a gas fireplace use?

As a general rule, a propane fireplace uses about one gallon of propane for each 100,000 BTU. So if you install a propane fireplace that is rated 50,000 BTU, you'll be using about one gallon of propane for every two hours that it's in use.

Subsequently, question is, how long will 100 gallons of propane last? about 30.5 days

Likewise, people ask, how much gas does a gas fireplace use per hour?

A typical gas fireplace consumes 30k to 40k BTUs of gas per hour set on “high”, but you can look on the data tag in the bottom of your fireplace to know exactly what yours is rated for. Natural gas is normally billed per therm. A therm is a unit of 100k BTUs, or 100 cubic ft, of natural gas.

Are propane fireplaces expensive to run?

In Propane, there is about 91,500 BTU in a gallon. 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.