
If you're running low on heating oil, you may be wondering if you can replace it with diesel fuel. The good news is that diesel can be used as a short-term replacement for heating oil. However, it's important to note that heating oil is still the better choice and diesel should only be used as a temporary solution. The price of heating oil and diesel can fluctuate depending on the price of crude oil and the season, so it's a good idea to fill up your tank a few months in advance to combat any increases in cost.
| Characteristics | Values |
|---|---|
| Can I replace heating oil with diesel fuel? | Yes, but only as a temporary solution. |
| Is diesel fuel a good alternative to heating oil? | Yes, but heating oil is the better choice. |
| When can I use diesel fuel? | When your tank is at a critical level or absolutely out of heating oil. |
| How much diesel fuel should I get? | Depending on how long you need to run the furnace before you get heating oil, choose to get either 5 or 10 gallons of diesel. |
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What You'll Learn

When to use diesel fuel as a replacement for heating oil
Diesel fuel can be used as a replacement for heating oil in your home heating oil tank. However, it should only be used as a short-term solution. Once you have verified that your tank is below critical levels or empty, you can begin using diesel as a heating oil alternative.
The price of heating oil and diesel fluctuates depending on the price of crude oil and the season. As demand for heating increases during winter or cold weather approaches, heating oil costs rise. You can combat this increase by filling your tank a few months in advance. Once you’ve confirmed you’re out of heating oil, you can begin the process of adding your heating oil substitute, diesel fuel, into your furnace tank.
Depending on how long you need to run the furnace before you get your heating oil, choose to get either 5 or 10 gallons of diesel. Diesel is an excellent alternative to heating oil, but it is only acceptable for limited use. The best choice is always heating oil.
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How to use diesel fuel as a replacement for heating oil
Yes, you can use diesel fuel as a replacement for heating oil. However, it should only be used as a short-term solution.
First, check that your tank is at a critical level or empty. Then, find a fuel container and purchase either five or ten gallons of diesel, depending on how long you need to run the furnace before you can get more heating oil. Once you have the diesel, you can begin the process of adding it to your furnace tank.
It's important to note that while diesel is an excellent alternative to heating oil, it is not the best choice for long-term use. Heating oil is still the recommended option.
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Why diesel fuel is not a long-term replacement for heating oil
While diesel fuel can be used as a heating oil alternative, it is not a long-term solution. Diesel is a good option for heating, but it should only be used temporarily. This is because heating oil is still the better choice. The price of heating oil and diesel fluctuates depending on the price of crude oil and the season, so it is important to keep an eye on this when deciding which fuel to use.
There are a few things to keep in mind when considering using diesel fuel as a heating oil replacement. First, it is important to verify that your tank is below critical levels or empty before making the switch. Second, diesel fuel is not a simple fill-and-go solution. You will need to find a fuel container and choose how much diesel to get depending on how long you need to run the furnace before getting more heating oil.
Additionally, there are some tanks with feed lines that travel from their tops down to their bases. If these lines don't completely reach the tank bottoms, it's possible to run out even before the fuel is empty. This is something to be aware of when considering using diesel fuel as a replacement for heating oil.
Overall, while diesel fuel can be used as a short-term replacement for heating oil, it is not a long-term solution. Heating oil is still the best choice, and diesel fuel should only be used temporarily until more heating oil can be obtained.
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How to save money on heating oil
Yes, you can use diesel fuel as a replacement for heating oil, but only as a temporary solution. Diesel is an excellent alternative to heating oil, but it is only acceptable for limited use. The best choice is always heating oil.
- Order heating oil online instead of using an Automatic Delivery contract.
- Take advantage of the 'spot' price by ordering oil as needed.
- Install a Smart Oil Gauge to track your oil consumption and establish a baseline to determine how much you save.
- Filling your tank in the summer when prices are lower can save you money compared to buying oil during the peak winter season.
- Upgrade to a programmable or smart thermostat to set specific temperatures for different times of the day and week.
- Ensure your home is well-insulated to reduce heat loss and lower your heating oil consumption.
- Have your heating system professionally maintained annually to improve its efficiency.
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How to avoid running out of heating oil
Yes, you can replace heating oil with diesel fuel, but only as a temporary solution. Once you have verified that your tank is below critical levels or empty, you can begin using diesel as a heating oil alternative. Diesel is an excellent fuel option for heating, but heating oil is still the better choice.
To avoid running out of heating oil, there are several preventative measures you can take:
- Know your tank capacity and understand your regular usage. This will give you an idea of how often you might need to order and when to start looking out for low levels of fuel.
- Check your heating oil level weekly during the colder weather in autumn and winter.
- Install a digital monitoring system in your oil tank. This will remotely monitor your fuel level and send you the information.
- Order in advance and take advantage of regular deliveries to ensure you avoid high costs and unnecessary stress caused by low fuel levels.
- If you want to guarantee that you will not run out of heating oil, an Automated Top-Up service offers complete peace of mind. The monitor is fitted by a trained engineer and the app allows you and the supplier to see exactly what is in the tank. Once your oil levels hit 30%, delivery is automatically scheduled.
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Frequently asked questions
Yes, you can use diesel fuel as a replacement for heating oil.
You can start using diesel fuel when your tank is at a critical level or empty.
Depending on how long you need to run the furnace, you should get either 5 or 10 gallons of diesel fuel.
No, diesel fuel should only be used as a temporary replacement for heating oil.
Heating oil is the better choice for heating, so diesel fuel should only be used as a short-term alternative.











































