
Running out of fuel in your home heating oil tank during winter is a situation many homeowners hope to avoid. While the standard turnaround time for heating oil delivery is three business days, there may be times when waiting is not feasible. In such cases, diesel fuel can be used as a temporary alternative to keep your home warm. However, it is important to note that diesel is taxed differently and tends to be more expensive than heating oil. Before using diesel, it is recommended to inspect your oil tank to verify that you actually need an alternative fuel. This can be done by checking the floating gauge or manually inserting a yardstick into the tank's fill tube. If you decide to use diesel, ensure that you have the correct coloured containers, typically yellow, and that it is properly labelled.
| Characteristics | Values |
|---|---|
| Can diesel fuel be used in a home heating oil tank? | Yes, diesel fuel can be used in a home heating oil tank. |
| When to use diesel fuel | When you are low on heating oil and cannot get a delivery right away. |
| How much diesel to use | 5-10 gallons of diesel per day for a few days. |
| How long can diesel be stored | Six months before it deteriorates and becomes unsafe to use. |
| How to dispose of diesel | Contact your local municipality for proper disposal through recycling or hazardous waste collection centers. |
| How to check oil levels | Inspect the floating gauge or manually insert a yardstick into the tank's fill tube. |
| How to fill the tank with diesel | Locate the fill pipe on the outside of the house, remove the cap and pour in the diesel fuel. |
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What You'll Learn
- Diesel fuel can be used as an alternative to heating oil in an emergency
- Diesel is more expensive than heating oil and is taxed differently
- Diesel should only be used for a few days at a time as it can damage the heating system
- Diesel can be stored for up to six months before it becomes unstable
- Diesel is poured into the fill pipe on the outside of the house

Diesel fuel can be used as an alternative to heating oil in an emergency
If you have run out of heating oil, diesel fuel can be used as a temporary replacement. Diesel fuel can be purchased from gas stations and poured into the fill pipe on the outside of your house. It is important to use correctly coloured containers, typically yellow, and to ensure that the diesel is properly labelled. Diesel should only be used for a short period, as it burns at a higher temperature than conventional heating fuel. Using diesel for extended periods can result in lasting damage to your heating system. To maintain the longevity of your tank, it is recommended to use 5-10 gallons of diesel per day for several days. Diesel fuel can be safely stored for up to six months before it deteriorates and becomes unsafe to use. Additives can be used to extend the life of diesel fuel, but these come with limitations and necessary treatments. If you have leftover diesel fuel, it can be properly disposed of through recycling or hazardous waste collection centres.
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Diesel is more expensive than heating oil and is taxed differently
While diesel fuel can be used as an alternative to heating oil, it is not a simple fill-and-go solution. Diesel is subject to different taxes than home heating oil, making it more expensive. Before opting for diesel, it is important to inspect your oil tank to ensure that you need to switch to an alternative fuel source. This can be done by checking the floating gauge, which floats on the oil and indicates the oil level. If the gauge remains down after being pushed down manually, the tank is out of oil.
Another way to check the oil level is by inserting a yardstick into the tank's fill tube. Each tank has a critical level at which new fuel must be added immediately, and this can vary depending on the size of the tank. Consulting the manufacturer can help determine the critical level for your specific tank. Ordering new oil when the tank is about one-quarter full is generally recommended.
If you are out of oil or at a critical level, you can use diesel as a short-term replacement. Diesel is an excellent alternative fuel option, but it should only be used temporarily as it burns at a higher temperature than conventional heating oil. Using diesel for extended periods can result in lasting damage to the heating system due to the higher temperatures. To maintain the longevity of the tank, it is recommended to use 5 to 10 gallons of diesel per day for a few days until a heating oil refill is available.
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Diesel should only be used for a few days at a time as it can damage the heating system
Diesel fuel can be used in a home heating oil tank as a short-term alternative when you have run out of heating oil. This is particularly useful in the winter months when you need to keep your home warm and waiting for a fuel delivery is not feasible.
However, diesel should only be used for a few days at a time as prolonged use can damage the heating system. Diesel burns at a higher temperature than conventional heating oil, and while this is not an issue over a few days, over time it can cause lasting damage to the heating unit as the system is not built to withstand these higher temperatures.
To preserve the longevity of your tank, it is recommended to use 5 to 10 gallons of diesel per day for several days. The exact amount of diesel used depends on how long you will have to wait for your heating oil delivery to arrive. The maximum amount of diesel you should use is 10 gallons per day.
It is important to note that diesel is subject to different taxes than home heating oil, making it more expensive. Therefore, it is important to first verify that you need to use an alternative fuel source by inspecting your oil tank before switching to diesel.
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Diesel can be stored for up to six months before it becomes unstable
While it is possible to put diesel fuel into an oil tank, it is not a long-term solution. Diesel is a more expensive alternative to heating oil, and it burns at a higher temperature. This means that, over time, using diesel can cause permanent damage to your heating system. Therefore, it is recommended that diesel is only used as a short-term solution, with five to ten gallons being used per day for a few days.
If you are considering using diesel fuel in your oil tank, it is important to check whether you have actually run out of heating oil. This can be done by checking the float gauge on the tank. If the tank is below critical levels or out of heating oil, you can use diesel as a temporary replacement.
When handling diesel, it is important to use correctly coloured containers, typically yellow, and to ensure that the diesel is correctly labelled. Diesel can be stored for up to six months before it deteriorates and becomes unsafe to use. However, some sources suggest that diesel can last for up to a year, or even longer, with the right storage conditions and additives. To extend the life of diesel, additives can be used, but these come with limitations and necessary treatments. Therefore, it is recommended to refrain from storing diesel for longer than six months. If you have diesel that you won't use again, it can be properly disposed of by contacting your local municipality through recycling or hazardous waste collection centres.
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Diesel is poured into the fill pipe on the outside of the house
If you are running low on heating oil, diesel fuel can be used as a substitute. Diesel fuel and heating oil are nearly identical, and diesel can be poured directly into the fill pipe on the outside of your house.
To do this, first locate the fill pipe on the outside of your house. The fill pipe will have a hex-shaped fitting on the cap. Remove this fitting and pour in your diesel fuel. The pipe with a mushroom-style cap is the vent pipe, which allows air to escape from the tank.
Before adding diesel, it is important to check that your tank is below critical levels or out of heating oil. This can be done by inspecting the floating gauge, which floats on the oil and indicates the tank's oil level. If the gauge remains down after pushing it down with your hand, the tank is out of oil. Alternatively, you can manually check the oil level by inserting a yardstick into the tank's fill tube.
While diesel fuel can be a useful short-term solution, it is taxed differently and tends to be more expensive than heating oil. It also burns at a higher temperature, which can cause lasting damage to your heating system if used for prolonged periods. Therefore, it is recommended to limit usage to 5-10 gallons of diesel per day for several days until you can refill your tank with heating oil.
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Frequently asked questions
Yes, you can put diesel fuel in your home heating oil tank. Diesel fuel is a great alternative to heating oil, especially if you are running low on fuel or need to wait for a refill.
You can check the level of oil in your tank by inspecting the floating gauge. This gauge floats on the oil, indicating how full or empty your tank is. You can also manually check the level by inserting a yardstick into the tank's fill tube.
First, locate the fill pipe on the outside of your house and remove the cap. Then, pour the diesel fuel into the fill pipe. Wait 5-10 minutes for any sediment to settle before restarting your burner.
It is recommended to use 5-10 gallons of diesel fuel per day for several days until you receive your heating oil refill. Do not use more than 10 gallons per day.
Diesel fuel is taxed differently from heating oil, so it tends to be more expensive. Additionally, diesel burns at a higher temperature than heating oil, which can cause damage to your heating system if used for extended periods.











































