Benefits of Partnering With Us

  • Dedicated customer support team for your area.
  • Next Day delivery.
  • Simple, easy to use online ordering system.
  • Trusted by thousands of customers nationally.
  • Always competitively priced fuel.

Frequently Asked Questions

What if I don't see my area in counties listed in the quote box?

If you don’t see your County in the list of Counties displayed in the Quote Box it means unfortunately Harmon Oil do not deliver to your area.

How do I order home heating oil from the website?

With our simple quote system, it is very easy to do. Select the County where you live and the quantity of kerosene or gas oil you need. A quote will appear in the quote box. You can change the volume as often as you like to see what effect it has on the price quoted. Click “Order Now” to go to the order screen.

Does the home heating oil price quoted include VAT?

The price quoted for Kerosene oil and Gas oil is inclusive of VAT at the appropriate rate.

How will I know if the home oil has been delivered ?

After the driver has completed the delivery, he will leave a docket in your letterbox if you are not present for the delivery

If our driver can access your tank, we will deliver your oil and leave the ticket for you so we don’t require your presence.

What if I don't take the quantity of heating oil I order?

You will be charged according the price per litre may change depending on volume per our terms and conditions

When will my home heating oil delivery be made?

We will make every effort to meet your request.

Delivery for heating oil is normally within one to two working days but during our busy period and in cold weather conditions it may take longer.

If you require an urgent delivery, please let us known in the special instruction section on the order entry screen and we will endeavour to meet your requirements.

How secure is my payment for home heating oil?

We work with merchant banks to accept and authorize debit and credit card payments for heating oil.

All contact through to the website uses secure SSL type encryption and all credit card details are removed once processed.

We take great care to protect your information (especially your payment details) and use the most modern security technology to ensure your details are secure at all times throughout the process.

How can I pay for my home heating oil?

We  accept payment for home heating oil by Debit or Credit Card.

How much heating oil do I order?


Our minimum delivery is 200 litres.

Most domestic oil tanks range in size from 900 Litres to 1,400 Litres. The capacity of your tank may be indicated by a sticker on the tank. Our drivers will not overfill your tank and you will only be charged for the quantity which you receive.The unit price may vary if the delivered quantity is less than the ordered quantity. We would advise that you dip your tank prior to delivery.

What type of heating oil do I use?

If you have ordered from us in the past and have not changed your boiler, we will know what type of heating oil you use. We supply two types of heating oil. They are:

Kerosene Oil

Kerosene oil has a pink based colour. It burns cleanly, economically and is used in most modern boiler systems. It can be used on indoor boilers.

Gas Oil

Gas oil can only be used for heating systems with an out door burner. Gas Oil is used as home heating oil in a lot of older house burners. It is green in colour and can also be referred to as Marked Gas Oil. It can be used to run generators, fridge units on trucks, off road machinery and construction machinery. There may be a sticker on your tank indicating the product used. If you have a ticket from a previous delivery the product will be indicated there.

Do I need An account to order online?

No we are happy to take all new customers

Can I discuss the price?

The price advertised is for online orders only.

What if my order exceeds my tank capacity? Can I have a refund?

Yes we will refund the differ however the per price litres is subject to change.

How do I know my tank capacity?

The capacity of the tank is usually indicated by a sticker on the tank. Most domestic oil tanks range between 900 and 1300 litres

Can I have my delivery today?

If you need your order today you need to contact the office.

Can I choose a time slot?

No orders will be delivered in a timely fashion

Do I need to be present for delivery?

No one our driver can access the tank, deliver your oil and leave the ticket for you we do not require your presence.

Who do I contact if my order does not arrive?

Please contact the office details on the websites

How to give your driver private information (gate or alarm code)?

This information can be put in special instruction on the order.

Who are Harmon Oil

Agricultural Gas Oil | Farm Diesel

We supply a range of oils including: Gasoil (also known as Green Diesel, Marked Gasoil, MGO, 10ppm, Agri Diesel, Low Sulphur Gas Oil, 35 Second Oil) Kerosene (also known as Kero, 28 Second Oil, Paraffin) Road Diesel (also known as White Diesel, Derv) and Unleaded Petrol for a wide range of uses.

As a business ourselves, we understand how important a reliable customer focused oil supplier is to you.

  • Gas Oil and Kerosene for heating,
  • Gas Oil for your farm machinery and vehicles including: tractors, harvesters, generators etc.

So what ever heating system or machinery you operate we can supply the appropriate fuel

Harmon Oil Ltd distributes quality fuels – Home Heating Oil (Kerosene), Sulphur Free Gas Oil, Road Diesel (Derv) to homes, farms and businesses all over Westmeath, Meath and the surrounding counties.


We have been dealing with Harmon oil since 2000s. They have an excellent call out service and can always deliver within 24hrs. Prices are also very competitive. Excellent friendly service from Brendan and Shane. There is also a lot of joy to know that we are supporting local business and people in our area. Harmon oil has provided Rickard Agri with the best of fuel even during peak harvest periods they provide us with an excellent efficient service and support like no other.

Green Cove Ltd

We have been using Harmon Oil for quite some time now and have never had any issues. They provide us with an excellent daily service to our premises, and Brendan is always just a phone call away. We highly recommend.

Keegan Quarries

Never lets me down. Always prompt. Never gets mad when I airlock the system. Even came out during the starting blizzards of Beast from the East last year to make sure we had oil at the veterinary practice so the animals didn’t get cold. Couldn’t recommend Brendan and the team enough. I never shop around for oil because these guys are the best.

Fionnuala Fallon

Agri Diesel Conversion from Gallons to Litres

Our delivery system is measured in litres. There are approximately 4.54 litres to 1 gallon

  • 1000 litres is equivalent to 220 imp gallons
  • 200 gallons is equivalent to 909 litres
Harmon Oil Ltd distributes quality fuels – Home Heating Oil (Kerosene), Sulphur Free Gas Oil, Road Diesel (Derv) to homes, farms and businesses all over Westmeath, Meath and the surrounding counties.