Propane or butane for caravans and camping?
Match the fuel to the season and the appliance, then check the cylinder and regulator as a complete system.
Propane is usually the practical choice for year-round outdoor caravanning. Butane can suit warmer-weather use where the appliance and gas system permit it. A fuel change is only appropriate when the appliance, regulator, connection and installation are compatible.
The difference that matters on a cold morning
Liquid LPG must vaporise to supply an appliance. Butane struggles to do this in cold weather; propane performs better in low temperatures. Calor recommends propane for all-season touring and describes butane as a warmer-month option outdoors. See Calor’s caravanning guidance.
A bottle can contain fuel yet fail to supply enough gas in the conditions. Weighing tells you how much is left; it does not prove that the gas can flow at the required rate. Do not warm a cylinder with a flame, heater or improvised heat source.
Compare the practical decisions
| Question | What to check |
|---|---|
| Touring in cold weather? | Consider propane if your system is approved for it. |
| Using a small camping stove? | Use the exact cartridge or cylinder type specified by its manufacturer, including any approved gas blend. |
| Changing cylinder brand or gas? | Check the outlet, approved regulator, hose or pigtail, appliance gas type and operating pressure. |
| Choosing a larger bottle? | Check dimensions, full weight, secure retention and the designated locker’s limits. |
| Travelling abroad? | Confirm compatible supplies and transport-operator requirements before leaving. |
The Camping and Caravanning Club explains that cylinder brands and availability vary abroad, and that cartridges and refillable exchange bottles have different connection arrangements. Its gas guide for tent campers is useful background; your appliance instructions decide what is compatible.
Do not choose by bottle colour alone
Read the gas label and connection specification. A matching-looking fitting is not enough to establish correct pressure or appliance approval. Get the supplier or a suitably qualified LPG technician to confirm an uncertain setup; do not improvise adapters or alter a regulator.
Plan quantity separately from fuel choice
A 6 kg label tells you the nominal gas charge, not the complete carrying weight. First check tare and full weight, then use the Gas Bottle Calculator to estimate remaining contents. For time away, calculate runtime from appliance consumption. There is no single “weekend bottle size” that fits every family and season.
Keep the setup safe
Keep cylinders upright, secured and in their approved storage location, following the cylinder and vehicle instructions. Never take a barbecue into a tent, awning or vehicle, including after cooking. Portable outdoor cooking equipment is not a substitute for an installed caravan heater. Keep required ventilation unobstructed and maintain the gas system. Read the Club’s carbon monoxide and campsite safety advice.
For the rest of your off-grid plan, visit the campervan and motorhome hub or estimate leisure battery capacity.
Reviewed 6 October 2026. Examples are calculations, not measurements of your equipment.