Are propane fireplaces expensive to run
Nathan Sanders
Published Apr 16, 2026
Gas fireplaces are pretty inexpensive to run. That’s primarily because the price of natural gas and propane are very (about $1.09 per 100,000 BTU) low compared to the price of electricity (about $3.87 per 100,000 BTU). … Standard 20,000 BTU gas fireplace costs $0.29 per hour to run.
Do propane fireplaces use a lot of propane?
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.
How much propane does a fireplace use per day?
But first, you may be wondering how much propane does a fireplace use. The simple answer is, a propane fireplace uses about one gallon of propane per 100,000 BTU. So, if you have a propane fireplace that is rated 50,000 BTU, you can expect to use one gallon of propane every two hours.
How much does it cost to run a propane fireplace?
In Propane, there is about 91,500 BTU in a gallon. So based on those numbers, in order to operate a 70,000 BTU/hour decorative gas log set it would cost you roughly around $0.70/hour for natural gas and about $2.30/hour for propane. Most of the heat that is produced will go up the chimney in this case.How long will 100 gallons of propane last in a fireplace?
If you use your propane fireplace for two hours a day, seven days a week, the 100-pound propane bottle will fuel your fireplace for almost six weeks. If you used your fireplace four hours a day, the bottle would last around three weeks.
How long will a 500 lb propane tank last for heating?
House Size (Square Footage):How Long Will A 500-Gallon Propane Tank Last?500 sq ft14 Months and 4 Days
How much does it cost to fill 100 lb propane tank?
SizeCost20 lbs.$40100 Gallons$500500 Gallons$1,5001,000 Gallons$2,500
Is it OK to run gas fireplace all day?
You can run a vented gas fireplace all day with little concern for anything other than gas usage.What are the disadvantages of propane?
The biggest disadvantage to a propane heating system is keeping up with tank maintenance – or not. If you own the tank, you’re responsible for regular inspections, and you have to fix the problem if there’s leaks or corrosion. You might even eventually have to replace the tank.
Do you need a chimney for a propane fireplace?Ventless fireplaces fueled by gas or propane rely on indoor air for combustion, and they exhaust a low level of their combustion gases into the room in which they’re located. A chimney or flue isn’t necessary. … In fact, ventless fireplaces generally are just for aesthetics and supplemental space heating.
Article first time published onHow long will a 120 gallon propane tank last?
Therefore, if you have a 120-gallon propane tank and it is filled to 80% capacity, you would have approximately 96 gallons of fuel in the tank. Multiply 96 gallons by 1.09 gallons per hour, and you would have 104.64 hours of heat and energy still to go on your current propane fuel supply.
How good are propane fireplaces?
Today’s propane fireplace inserts have efficiencies that can go well into the 80 % range. That’s so much more efficient than a wood fire. As much as 90 percent of the heat produced by a wood-burning fireplace goes straight up the chimney!
Do propane fireplaces give off heat?
You have instant heat right at your fingertips. You don’t have to dance around in several layers of clothing while you wait for the fireplace to put out a little bit of heat. Additionally, a propane fireplace will give off more heat and heat a larger area of your home.
How much does it cost to fill up a 500 gallon propane tank?
If you fill a typical household’s 500-gallon propane tank, it would cost $783.63. Most homes go through at least two tanks to heat their homes in a year.
How big of a propane tank do I need for a fireplace?
250-gallon propane tank size: Designed for moderate propane uses, a 250-gallon horizontal propane tank can support appliances such as a clothes dryer, fireplace, and stove, and is sufficient for a heating system for modest-sized homes.
What is the cheapest month to buy propane?
Early fall is a “shoulder” season between these periods of peak demand – meaning it’s often the best time to save money on your propane tank refills. Weather is more stable – Sudden cold snaps are common during late autumn and early winter, but they happen less often in the early fall.
Is it cheaper to refill propane or exchange?
Pros: It’s cheaper. You can save up to $1.75 per gallon by refilling over the cost of an exchange at third-party retailers. You’ll only pay for the propane you use if you own your own propane tank.
How can you tell when a propane tank is empty?
Look at the tare weight that is stamped on the collar/handle of the propane tank. That is the only truly precise measurement of that specific tank’s empty weight. If you put a propane tank on a scale and the reading matches the tare weight stamped on the collar/handle, then the tank is definitely empty.
How long will a 100 lb propane tank last at 30 000 BTU?
So take the BTU’s in the tank and divide it by the BTU’s per hour of your unit and you’ll get the hours of operation until your tank is empty. For example if your unit is 30,000 BTU’s then your tank would last about 72 hours of burn time.
How much does it cost to fill a 250 gallon propane tank?
GallonsPrice50$350 – $700100$400 – $800120$400 – $800250$500 – $1,000
How much propane does it take to heat a 2000 square foot house?
A 2,000 square foot home in a mild climate would require about 2 million BTUs of propane, and cost $76 per month to heat. A home in a moderate climate would require 4.0 million BTUs, and cost $152 per month. And, a home in a severe climate would need around 6.5 million BTUs, and cost around $248 per month to heat.
How many gallons of propane does an average house use?
The average homeowner uses approximately 2.5, 500-gallon tanks (~1,250 gallons total) of propane annually for heating and cooking.
Are propane fireplaces safe?
Propane Fireplace Safety A traditional propane fireplace should always be vented outside. Failure to properly vent a fireplace causes the carbon monoxide to enter the home instead of outside and can result in carbon monoxide poisoning and death in a matter of minutes.
What's cheaper natural gas or propane?
Propane is usually more expensive than natural gas, but the same amount produces about twice as much heat. … In some areas, natural gas is more economical, and in others, propane costs less. Both types of fuel are more efficient and less expensive than electricity in many regions.
How expensive is it to heat a house with propane?
The average cost of propane per year (for homes that use propane for heating plus other appliances) is $2,000-$3,000. While this is more expensive on average than electric, it is less expensive than oil and more efficient than both.
Is it expensive to run a gas fireplace?
Gas fireplaces are pretty inexpensive to run. That’s primarily because the price of natural gas and propane are very (about $1.09 per 100,000 BTU) low compared to the price of electricity (about $3.87 per 100,000 BTU). … Standard 20,000 BTU gas fireplace costs $0.29 per hour to run.
How much does it cost to run a gas fireplace for a day?
The average price of natural gas in the US in 2020 was around $11 per thousand cubic feet 1, equating to about $1.06 per therm. That means that a 38,000 BTU gas fireplace costs approximately $0.40 an hour to run.
Can you sleep with gas fireplace on?
There is a risk of carbon monoxide poisoning when you sleep in a room where a conventional coal or gas fire, a log burner, a cooker, or a back burner is left on overnight. You cannot feel the early symptoms of carbon monoxide poisoning, so it is important that you protect yourself.
Do propane fireplaces work without electricity?
In addition, all direct vent gas fireplaces are sealed, keeping emissions out, and are vented to the exterior of your home using the natural buoyancy of warm air (warm air rises), meaning no electricity is needed to operate your gas fireplace or gas fireplace insert safely.
Are vent free propane fireplaces safe?
Are Ventless Gas Fireplaces Safe? Ventless gas fireplaces emit dangerous and noxious gasses into the room they are operating. … Ventless fireplaces produce small amounts of nitrous dioxide and carbon monoxide which can be deadly in large doses.
Why does my propane fireplace smell?
Air quality issues are the most common cause of strong gas fireplace odors. … Allow some time for the room odors to clear out. If you still smell gas, there may be a small leak somewhere in your system. A leak is a more serious problem that should be addressed immediately by a qualified professional.