# How long will a 50-pound propane tank last?

If you're cooking on a medium-sized barbecue, one tank of propane will normally last between 18 and 20 hours. Larger barbecues, on the other hand, may consume 20 pounds of propane in as little as 10 hours. If you use a medium-sized grill on high heat, you'll need around one or two pounds of fuel per meal. Thus, to feed a family of four for a week on a medium-size barbecue, you'd need about seven 50-pound tanks of propane.

Propane is lighter than air, so the higher you put it, the longer it will last without running out. A good way to keep track of how much time remains is to get a small clock that works with your computer's internal clock. This allows you to set the clock ahead or back by several hours when necessary. When the propane tank gets low, turn off all the burners except for one, which should be placed near the highest point of the barbecue. Wait until there is less than 1/4 cup of fuel left, then start the grill on the lowest setting possible. Propane is very stable at low temperatures, so you won't need to cook anything at first to keep the gas flowing.

After about an hour, turn up the heat under the meat you plan to cook later. By the time you're done cooking, most of the propane should have burned off. Turn off the grill, let it cool down for a few minutes, then open the valves to release any remaining pressure.

## How long does a small propane bottle last?

Small propane tanks have a lifespan of roughly 2 hours. Now that you understand the arithmetic and mechanics, you can determine how long your propane tank will last for your specific grill and cooking technique!

Here are some other things to consider when determining how long your tank will last: how often do you cook on your grill? If you only use one side of the grill, then you should get about 20 minutes of burning time per hour of usage. That's assuming no other events occur that would extend the burn time. Of course, if you leave the grill on while you're not using it, this estimate will be lower.

What size is your hole? The diameter of your hole has a direct relationship with how much gas you can release into the atmosphere. Smaller holes allow for more complete combustion, which means less carbon monoxide released into the air and less smoke from your food. However, smaller holes mean shorter burn times. So if you plan to use your grill frequently, you'll want to choose a model with larger holes so you don't run out of fuel too soon.

How many people are on your barbecue diet? If you plan to cook for more than two people, you'll need a bigger tank. Propane is heavier than air, so as the gas level drops, it flows to the lowest point.

## How long does a 20-pound propane tank last in a fire pit?

How long is the propane tank going to last? A 20-pound propane tank will last roughly 4 to 4 1/2 hours at maximum output on a continuous burn. At a modest gas flow, the tank will last roughly 8–9 hours. The actual burning time will vary depending on how hard you are pushing the flame effect and how much heat is being generated by your fire. After about an hour of constant use, the tank will begin to leak.

Here's how long it will take for that tank to drain: If there is no vent on your propane tank, then it must be vented. Connecting a garden hose to the valve on the tank will allow air into the tank when you shut off the valve. This will help prevent your tank from exploding like a fireworks shell.

The propane tank should be changed every year regardless of how often you use the fire pit. This prevents any buildup of sediment inside the tank which could lead to it leaking if the tank breaks during transport or when placed on its side. Also, some older style tanks have thinner walls than others and can break if stressed too far. Finally, make sure the new tank is the same size as the old one so it will fit properly.

## How many hours will a propane generator last?

Usually, 12–18 hours. If you use a large propane tank, you will discover that your limiting reason is most often mechanical in character (typically engine oil). For most propane generators, this equates to 5-8 days. A big standby generator connected to a gas line may last 500 hours, or around 20–21 days. The average life of a propane generator is about 1000 hours, or 3–4 months.

The best way to extend the life of your generator is by taking care of it. Keep an eye on the fuel level in the tank. If it gets low, go out and buy more. Also, make sure that any loose connections are tight again. Have your generator inspected by a professional once per year for proper maintenance.

## How often should a 500-gallon propane tank be replaced?

While 500 gallons of propane may last you several months, the tank will last considerably longer. A propane tank can typically power your appliances for more than 30 years. When replacing a propane tank, it is important to use only certified technicians who know how to handle these types of tanks safely and properly.

If you are powering anything with electricity instead, then you should also replace the electric panel as well. This will prevent you from having any electrical problems if someone were to tamper with the wiring inside your home.

Regular maintenance is vital to keeping your equipment operating at its best. Have your tank checked by a professional every five years or so; depending on how much you use it. If you notice any damage to the tank, let your provider know right away so that they can address the problem before it gets worse.

## How long will a 30000 BTU propane tank last?

Each gallon of propane has roughly 92,000 BTUs. So, if your furnace unit has 30,000 BTUs, it can run for slightly more than 3 hours on a gallon of propane. However, your furnace does not need to operate for three hours straight to keep you warm. A more realistic estimate is that your furnace will last for about two and a half hours per load of wood pellets or oil logs.

Propane tanks are available in sizes from 20 gallons to 500 gallons. Even though your initial purchase may be for a large tank, it usually works out cheaper in the long run to buy smaller tanks when they are needed. For example, if you plan to use up your propane in one heating season, it makes sense to buy a 50-gallon tank instead of a 200-gallon tank. The cost per gallon of propane drops as its usage rises.

Large tanks are also useful for camping trips and other occasions where you need to heat a large area. You can't just stack lots of small containers of fuel together and expect them to get used up quickly, although this does help reduce costs.

The life expectancy of a propane tank depends on how much it is used and maintained. If you burn through a tank's gas in a few months, that's normal. But if you figure on burning more than 10 gallons per day, then you should probably replace your tank before it fails.

#### About Article Author

##### Teri Degarmo

Teri Degarmo is a crafty, coupon-clipping mom who loves to shop for her family. She has been writing about her finds for years, and now wants to share her knowledge with other moms so they too can have an abundant life. Teri lives with her family in a small house that was built by her husband's grandfather 100 years ago.

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