Infrared vs Propane Heating: Which Is Cheaper and More Practical for Off-Grid UK Properties?

Infrared heating and propane heating are commonly compared in off-grid homes, rural properties, farms, workshops, and commercial buildings where mains gas is unavailable. While propane can appear cheaper per unit of fuel, real-world heating costs depend heavily on how heat is delivered, how often spaces are used, and how much energy is wasted.

Infrared heating reduces overall energy demand by warming people and surfaces directly rather than heating large volumes of air. This means the true cost difference between infrared and propane is more nuanced than fuel prices alone suggest.

This guide compares infrared and propane heating based on running costs, practicality, maintenance, and real UK usage patterns.

For a broader overview of heating methods, you can also read our infrared heating vs traditional heating guide.

How Infrared Heating Works

Infrared heaters emit radiant heat that warms people, walls, floors, and furnishings directly. Unlike traditional systems, they do not rely on warming and circulating air.

This approach provides immediate warmth, reduces heat loss caused by draughts, and allows heating to be applied only where and when it is needed. Because most infrared heaters do not use fans or moving parts, they are particularly effective in smaller spaces, intermittently used rooms, and buildings with high ceilings or poor air circulation.

Infrared systems can also be installed room by room, making them suitable for phased upgrades and retrofit projects.

How Propane Heating Works

Propane heating systems burn liquefied petroleum gas stored in an above-ground or underground tank. Heat is generated centrally and distributed through ductwork, radiators, or warm air vents, similar to oil or natural gas systems.

Propane is often used in rural properties where mains gas is unavailable, but it requires:

• Regular fuel deliveries and price monitoring
• Ongoing boiler maintenance and servicing
• Space for tank storage
• Whole-building heating rather than room-by-room control

While propane can provide strong background heat, it often runs for long periods to maintain air temperature, particularly in colder months.

Running Costs: Infrared vs Propane

Propane often appears cheaper when compared purely on fuel cost. However, propane systems typically heat entire buildings, including unused rooms, which increases total energy consumption.

Infrared heating focuses on targeted warmth. Because rooms can be heated independently, total energy use is often lower in properties where heating demand varies throughout the day.

This difference is particularly noticeable in:

• Homes heated room by room
• Workshops, garages, and outbuildings
• Properties with high ceilings or draughts
• Commercial spaces used intermittently

For a detailed breakdown of electricity use, see how much infrared heating costs to run in the UK.

Maintenance and Practical Considerations

Infrared heating:

• No fuel deliveries
• No combustion or flues
• Minimal maintenance with no moving parts
• Long operational lifespan

Propane heating:

• Requires regular servicing
• Dependent on fuel deliveries and price fluctuations
• Tank storage required on site
• Higher ongoing maintenance costs

In properties where access is difficult or heating demand is seasonal, these practical differences can significantly affect long-term costs and convenience.

When Propane Heating Makes Sense

Propane heating may be suitable if:

• The property is well insulated
• Heating is required continuously throughout the day
• A central system is already installed and functioning efficiently
• Fuel supply logistics are reliable

When Infrared Heating Is the Better Option

Infrared heating is often the better choice if:

• Rooms are used at different times
• Targeted heating is preferred over whole-building heating
• Maintenance and servicing need to be minimal
• Installation disruption must be kept low

Many off-grid properties also use infrared heating alongside propane to reduce boiler run time and improve comfort in harder-to-heat areas.

Calculating the Right Heater Size

Correct sizing is essential for both systems. Oversized or undersized heaters will increase running costs regardless of fuel type.

You can estimate the correct heater output for each room using our room-based wattage calculator.

Conclusion

Infrared heating and propane heating suit different property types and usage patterns. Propane can provide effective background heating, while infrared heating reduces total energy demand by delivering warmth directly where it is needed.

For off-grid and rural properties with variable room usage, infrared heating can offer lower running costs, simpler maintenance, and greater control. Understanding how your building is used is key to choosing the most practical and cost-effective solution.

For tailored advice, speak with an infrared heating specialist.