A wine bottle of heating oil? A 4 oven oil Aga range cooker is heated by setting fire to 80 of these every week.
It takes 4618 mature trees to absorb the carbon produced.
As little at 5% of the energy created is used for cooking. Some heats your home but most disappears up the flue with the carbon monoxide and other harmful gases.
With servicing it costs around £55 a week to run, thats IF it doesn't go wrong and need repair.
This stuff is in your house. Here is the BP safety data sheet. It's 14 pages long. Kerosense is a category 2 carcinogen and category 1 aspiration hazard among many other things.
More information on 2024 energy prices and running your Aga here