Free Tools

Heating Oil Tools

Free calculators and resources to help you understand your heating oil usage, plan your purchases, and save money on home heating.

Plan & order

Work out how much oil you use, how much your tank can take, and when to reorder.

4 tools

Estimate your annual heating oil consumption based on property size, insulation, EPC rating, and boiler type.

Work out how many litres your tank can safely take and which order size fits.

Project when your tank will run dry across the season, with monthly breakdowns and confidence margins.

Already low? See days left, the smallest emergency top-up that buys time, and your latest safe order date.

Price up an order or budget for annual servicing.

2 tools

Price any order size from a pence-per-litre quote, built for 500L, 900L and 1,000L comparisons.

Estimate annual servicing, filter, nozzle, and tank maintenance costs over one year and five.

Compare options and decide whether a switch or product is worth it.

3 tools

See if a fuel additive pays for itself through better efficiency, lower maintenance and tank protection.

Compare a supplier's premium kerosene uplift with adding a treatment to standard kerosene yourself.

Compare running costs, install cost, payback period and CO₂ savings against an air source heat pump.

Get instant quotes from trusted UK suppliers and find the best price for your next delivery.