Are you getting ready for a calm dinner outing with your significant other? Or maybe you’re organizing a gathering with your loved ones and acquaintances.
Regardless, you definitely do not want your propane fire pit to fizzle out while you’re having a good time. So, you may be curious about the lifespan of propane fire pits.
Fortunately, you have stumbled upon this post.
Here’s everything you need to know to maintain a steady flame in your propane fire pit!
What is the Lifespan of a Propane Fire Pit?
The lifespan of your propane fire pit is determined by a few elements, such as its BTUs. For those skilled in mathematics, there is a formula available to compute this.
Likely, you’re not seeking a mathematical problem at this moment. Correct?
The duration of warmth provided by a fire pit can differ, with an average of approximately seven to eight hours when using a standard 20 lbs propane tank. This estimation applies to a typical 50,000 BTU fire pit.
Essentially, the rate at which your fire pit consumes fuel is largely determined by its BTU. A higher BTU equates to a faster burn rate for your fire pit.
One of the main factors that I discussed was BTU. However, what precisely does it refer to?
The British Thermal Unit (BTU) is an energy measurement system that is commonly used. In the context of fire pits, it is utilized to gauge the heat output of the pit or the fuel being used.
What is the Amount of Propane Consumed by a Fire Pit?
The BTU output of an outdoor fire pit can vary from 30,000 to 100,000. The higher the BTU, the greater the amount of heat it emits and the more fuel it uses.
One way to determine if a grill has a high BTU is by looking at the height of its flames. However, the type of fuel used can also play a role in its rating, depending on how easily it can catch fire or the intensity of its burning.
To provide a point of comparison, a cylinder weighing 20 pounds has approximately 430,960 BTUs of liquid propane. In terms of volume, one gallon of propane can hold approximately 91,502 BTUs, meaning that a pound of this liquid gas would contain more than 21,548 BTUs.
What is the duration of a 20 lbs propane tank when used on a fire pit?
If your grill consistently operates at 70,000 BTU, you can calculate an estimate by dividing the total amount of BTUs from your fuel by that figure.
With a 20 lbs propane tank, we can expect to have approximately six to seven hours of burning time.
A propane-fueled fire pit can burn for up to 20 hours when it is used only for grilling, making it perfect for a night-long party.
Tips for Extending the Duration of a Propane Fire Pit
If you intend to remain overnight and desire to prolong the lifespan of your fire pit beyond seven hours, the simplest solution would be to decrease the flame on your grill, thereby reducing its BTU output.
Ensuring the BTU Rating of Your Fire Pit is Maintained
In order to prevent rapid burning of your fuel, it is advisable to keep the BTU level at a minimum. However, it is important to take into account the area that you wish to heat.
For gatherings in a compact or moderate area, an ideal BTU output would range from 40,000 to 50,000. However, for bigger spaces like outdoor settings, a higher BTU of up to 200,000 can be used.
When considering a fire pit, it is important to take into account the available space, surrounding conditions, and weather. While it is possible to reduce the heat output of your fire pit to save money (as outlined in this guide), it is also important to ensure that your guests are comfortable and not too cold.
How to Install a Windscreen for Your Fire Pit
A great alternative is to add a glass windguard or windscreen. These tempered glass panels can effectively shield the wind, resulting in lower propane usage for the fire pit while still providing a consistent and pleasant flame.
A wind guard serves as an effective barrier against strong winds and also offers protection for both your belongings and personal safety. As embers can potentially escape from the grill, having a protective screen in place provides peace of mind for your pets, children, and visitors.
Windscreens offer more than just protection. There is a wide range of designs to choose from, making them the perfect addition to elevate the style of your existing fire pit.
Operating Expenses for a Propane Fire Pit
If you are curious about the amount of propane used, it is likely that you are also considering the expenses. Therefore, here is a breakdown of the expected cost for operating fire pits that run on propane:
Cost of Propane Operation
The cost of operating gas-fueled fire pits can range from 80 cents to $11 per hour for homeowners. This overall cost can be influenced by the type of fuel used and the BTU of the grill.
The cost of propane fuel is typically higher in comparison to natural gas, with a price of 65 cents for every 1,000 BTU compared to the latter’s 12 cents.
To provide an example, the amount you are charged for your propane fuel is determined by the BTU output of your fire pit:
- For a 65,000 BTU unit, the hourly cost is $4.23.
- A 90,000 BTU unit will cost $5.85 per hour.
- The hourly rate for a 125,000 BTU unit is $8.14.
- For a 165,000 BTU unit, the cost per hour is $10.74.
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These values are only approximations.
To calculate the cost of fuel for your household, simply multiply the BTU output of your fire pit by the gas cost per therm in your location. Afterwards, divide the result by 100,000 to obtain the hourly operating cost.
Frequently Asked Questions
What are the disadvantages of using a propane fire pit?
Although a propane fire pit is highly mobile, it does come with some drawbacks.
A frequent concern among users is the expensive operational expenses associated with using propane. Additionally, it is necessary to regularly replace the fuel tank in order to utilize the fire pit.
1. Is it possible to convert a propane fire pit into a natural gas fire pit?
Switching the fuel source of your fire pit from propane to natural gas is possible, but it should be done with the help of a professional. This task involves repurposing the appliance and connecting it to a gas line, which requires specialized knowledge.
2. What is the recommended size of propane tank for a fire pit?
The typical size of a propane tank is 20 lbs. This container has the ability to last for a duration of seven to nine hours. The appropriate size of your space will determine whether you require a 33 or 100 lbs propane cylinder.
Concluding Remarks
In conclusion, the longevity of your propane fire pit is influenced by various factors, such as its BTU output, fuel tank capacity, and the surrounding conditions.
According to experts, a 20 lbs fuel tank can power a propane fire pit for a duration of six to nine hours with a moderate BTU output. However, there are ways to prolong its usage, such as reducing the flame height and adding a fashionable windscreen.
Now, you have the opportunity to delight in a cozy party around a fire pit!