Key Takeaways
- Ideal for indoor use: The 15kg Calor Gas butane bottle is perfect for portable heaters, static caravans, and cooking in mild weather.
- Temperature-sensitive: Butane works best above -2°C; avoid outdoor winter use.
- Easy refills: Exchange empty bottles for full ones at local stockists like Calor Gas stockists in Hartlepool and Sunderland.
- Affordable: Refills cost £56–£60; prices may vary by location.
What Is a 15kg Calor Gas Bottle?
The 15kg Calor Gas bottle is a blue butane cylinder widely used across the UK for heating and cooking. It’s a staple for caravans, indoor heaters, and seasonal camping due to its balance of capacity and portability.

Key features:
- Gas type: Butane (best for temperatures above -2°C)
- Capacity: 15kg (lasts approximately 20–30 hours of continuous heater use)
- Dimensions: 580mm tall, 318mm diameter
- Weight: 25–35kg when full
Where Can You Use a 15kg Calor Gas Bottle?
1. Home Heating
Perfect for powering portable cabinet heaters in living rooms, garages, or workshops. Butane’s clean burn makes it safe for indoor use with proper ventilation.
2. Caravans and Camping
Ideal for static caravans or summer camping trips:
- Cooking on gas stoves
- Heating small spaces
Note: Not suitable for winter camping—propane (like 13kg patio gas) is better for cold weather.
Technical Specifications
| Feature | Details |
|---|---|
| Regulator Type | 21mm clip-on |
| Offtake Rate | 9.9 kW (~0.7 kg/hour) |
| Empty Weight | 12.7–21.9kg |

Cost and Refill Process
In Hartlepool and Sunderland, refills typically cost £56.50–£60. Here’s how it works:
- Bring your empty bottle to a local Calor stockist.
- Pay for the gas (no extra fee if you have a Cylinder Refill Agreement).
- Swap your empty for a full bottle.
Tip: Always check the bottle’s condition—dented or rusty cylinders may be rejected.
Safety Guidelines
- Store upright in a well-ventilated area.
- Keep away from heat sources and direct sunlight.
- Use only with approved regulators (21mm clip-on).

Frequently Asked Questions
How long does a 15kg bottle last?
Approximately 20–30 hours with a standard heater (9.9 kW output).
Can I use it outdoors in winter?
No—butane freezes below -2°C. Switch to propane for cold weather.
Where can I buy in Hartlepool/Sunderland?
Visit Northeast Tackle for local availability.