Dowler-Karn FUELS

Dowler-Karn has been supplying quality fuels and petroleum products for 75 yearsDK Icons Customer Forms

Fuel is an aspect of daily life – at home, on the farm, and at work. 

Whether you need HEATING OIL for your home furnace, DYED-DIESEL fuel for your farm equipment, or DIESEL FUEL for one generator or an entire fleet of vehicles – Dowler-Karn has the fuel solution and the service to meet your needs.

Plus, we offer convenient and quick 24 Hr. Fuel Access Centres at 7 locations throughout Southwestern Ontario.

For added convenience, we have automatic and tank-monitoring delivery options available for our fuel products.

Automatic Delivery

Automatic Delivery is one of the most popular services offered by Dowler-Karn. It allows worry-free delivery of propane or heating oil.

With the use of our advanced system solutions, we are able to ensure you the highest level of service of propane or heating oil.

Our delivery system is based on “degree days” which means we deliver energy to you the customer based on outside temperatures.

Tank Monitoring

Application: Heat critical and large volume customers

At Dowler Karn you can remove the worry about the level of propane in your tank. Please contact a Dowler-Karn Branch near you for further information.

For all your Fueling Needs:

Agricultural & Commercial

Many of our petroleum products that our agricultural & commercial customers use daily:
Coloured Diesel Fuel (Off-road use)
Low Sulfur Clear Diesel Fuel (On-road use)
Regular Unleaded Gasoline
Mid Grade Unleaded Gasoline
Supreme Unleaded Gasoline
Ethanol Gasoline
Coloured Furnace Fuel
Tobacco Curing Oil


Many of our customers use furnace fuels for home heating appliances as well as domestic hot water heaters.

 24 Hr. Fuel Access Centres
An ideal and convenient solution for people and businesses on the go.
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