INSIGHTS & GUIDES
How Much Does It Cost to Heat a Church with Infrared?
The cost of heating a church with infrared depends on the total heater wattage, electricity price and how long the system operates. Building size, ceiling height, construction, insulation, zoning and how frequently the church is used all influence the final running cost.
This is particularly important in churches because many are large, high-ceilinged buildings that are occupied for relatively short periods during services, weddings, funerals, meetings and community events.
Infrared heating provides a different approach from systems that rely primarily on raising the air temperature throughout the entire building.
This guide shows you how to calculate the electricity cost yourself and explains the factors that can influence the real operating cost of an infrared church heating system.
Quick Answer
How Much Does Infrared Church Heating Cost to Run?
There is no single figure that applies to every church. The simplest calculation is:
Total heater output in kW × operating hours × electricity price per kWh = maximum active electricity cost.
For example, three 4.8kW heaters have a combined maximum load of 14.4kW. If all three draw full power for 20 hours, they consume a maximum of 288kWh during those operating hours.
Why Church Heating Costs Need to Be Calculated Differently
Infrared heating works by emitting radiant energy towards people and surrounding surfaces rather than relying primarily on heating room air.
That distinction can be useful in churches, where high ceilings create a substantial volume above the congregation.
With convection-based heating, warmed air naturally rises. A system designed around radiant heating can instead be positioned and controlled around the areas where warmth is required.
What Determines the Cost of Heating a Church?
Before calculating running costs, you need to establish the heating requirement and how the building will actually be used.
Installed Wattage
The combined electrical output of all heaters determines the maximum power draw when the system is operating at full load.
Operating Hours
A church used several times each week will have a different monthly consumption profile from one used only for a Sunday service.
Electricity Tariff
The amount paid for each kWh of electricity directly affects the running-cost calculation.
Building Construction
Dimensions, ceiling height, insulation and the construction of the church influence the heating requirement.
Zoning
A system divided into appropriate zones may allow only the areas being used to operate where the installation has been designed for this.
Controls
Thermostats and scheduling can influence how long heaters actually draw power during an occupied period.
Why Traditional Church Heating Can Be Expensive
Church buildings frequently combine several challenging characteristics:
- High ceilings and large internal volumes
- Stone or masonry construction
- Limited insulation
- Draughts and large external surface areas
- Intermittent occupancy
Where a heating system depends on raising the air temperature throughout a large space, substantial energy may be required before the occupied area reaches the desired comfort level.
Infrared heating allows a different strategy to be considered: directing radiant warmth towards the congregation and other occupied areas.
You can explore this approach further on our infrared heating for churches page.
How to Calculate Infrared Church Heating Running Costs
Once you know the total installed wattage, calculating the maximum electricity cost is straightforward.
Running Cost Formula
Calculate Maximum Active Consumption
Heater kW × Hours Used × Electricity Rate = Cost
A 4,800W heater is 4.8kW. If it draws full power for one hour, it uses 4.8kWh of electricity.
Multiply that consumption by the electricity rate on your church's tariff to calculate the cost for that period.
Example: Running Three 4800W Heritage Heaters
Using the example from the original calculation, imagine a church installs three 4800W infrared heaters and operates them for 20 hours during a month.
Worked Example
Three 4.8kW Heaters × 20 Hours
Number of heaters
3
Output per heater
4.8kW
Total installed load
14.4kW
Example monthly operating time
20 hours
Maximum active consumption
288kWh
At an example electricity rate of £0.30/kWh:
288kWh × £0.30 = £86.40
This is an illustrative calculation using the example £0.30/kWh rate. Replace £0.30 with the actual electricity rate your church pays.
Important
£86.40 is not a quotation or guaranteed monthly church heating cost. It is the maximum active electricity cost in this specific example if all three 4.8kW heaters draw full power for the full 20 hours at £0.30/kWh.
Where thermostatic controls cycle heaters on and off, actual energy consumption during the scheduled period may be lower. The amount of cycling depends on the building, controls, required temperature and heating conditions.
How Zoning and Controls Can Affect Church Heating Costs
01
Heat the Areas Being Used
A church may contain a nave, altar, choir area, side chapel, meeting rooms and other spaces that are not always occupied simultaneously.
Where the heating installation is designed as separate zones, it may be possible to operate only the appropriate areas.
02
Schedule Heating Around Church Use
Heating schedules can be planned around services, rehearsals, weddings, funerals and community events rather than leaving the system operating unnecessarily.
03
Use Appropriate Thermostatic Control
Thermostatic control allows the system to respond to temperature rather than simply remaining energised continuously throughout every scheduled heating period.
04
Size the System Correctly
Running-cost calculations are only useful if the installed heating capacity is appropriate for the building.
An undersized system may fail to provide the intended comfort, while system design should avoid adding unnecessary output without considering the actual heating requirement.
Start With the Required Wattage
Don't Estimate Church Heating from Floor Area Alone
Two churches with the same floor area can require very different heating outputs because ceiling height, construction and insulation can differ substantially.
Use our Wattage Calculator to estimate the required output based on the characteristics of your building.
Once you have the total required wattage, you can use the running-cost formula above with your own electricity tariff and expected operating hours.
What About the Cost Compared with Gas or Oil?
Comparing heating systems using energy price alone does not provide the complete picture.
The comparison also needs to consider how each system is used within the particular church, including:
- How long the system needs to operate before and during occupancy
- Whether the entire building or individual zones are heated
- The total heating requirement
- Installation requirements
- Maintenance and servicing requirements
- The condition and efficiency of the existing system
Electricity may cost more per unit than another energy source, while a radiant system may be operated in a very different way from a conventional whole-building heating system.
For that reason, the most useful comparison is based on the expected annual operation of each complete system rather than the headline price of one kWh alone.
Other Costs to Consider
Running cost is only one part of the overall cost of a church heating project.
The full comparison should also consider:
- Purchase cost of the heaters
- Electrical installation
- Controls and zoning
- Any mounting or suspension requirements
- Maintenance requirements of the chosen system
- Manufacturer warranty
- Any heritage or listed-building considerations
Electric infrared heating does not require the boiler, water-filled radiator network or fuel delivery associated with some traditional systems, but every project should be assessed individually.
Church Infrared Heating Cost FAQs
How do I calculate the hourly cost of infrared church heating?
Add together the wattage of the heaters operating at the same time, convert the total to kilowatts, and multiply it by your electricity price per kWh. For example, 14.4kW operating at full power for one hour consumes 14.4kWh.
Do infrared heaters use full power continuously?
When an infrared heater is actively energised it draws its rated electrical power. With suitable thermostatic control, the heater can cycle off when heat is not required, so scheduled operating time and actual active runtime are not necessarily identical.
Can different parts of a church be heated separately?
Yes, where the system and electrical controls have been designed as separate heating zones. Each independently controlled zone requires an appropriate control arrangement.
How many infrared heaters does a church need?
There is no universal number. The required total output depends on the dimensions, ceiling height, construction and insulation of the church. Heater quantity then depends on the outputs selected and the proposed layout.
Is infrared heating cheaper than gas for a church?
That cannot be determined from the fuel price alone. The comparison needs to consider the complete system, operating hours, zoning, heating requirement, installation and maintenance. The most useful comparison is based on how each system would actually operate in the individual church.
What electricity price should I use in the calculation?
Use the actual price per kWh shown on your church's electricity tariff. This keeps the calculation relevant even as electricity prices change.
Plan Your Church Heating
Calculate the Heating Requirement Before Estimating the Cost
The first step is establishing how much heating your church actually requires. From there, we can consider suitable heaters, positioning, zoning and controls.
- Calculate the required output: Use our Wattage Calculator.
- Explore the application: Explore our church heating solutions.
- Discuss your church: Contact us for a tailored layout and quote.
So, How Much Does It Cost to Heat a Church with Infrared?
The answer depends on the church, the installed heater output, operating time and electricity tariff.
The advantage of calculating infrared running costs is that the electrical consumption is straightforward to understand: total active kW multiplied by operating hours gives the electricity used in kWh.
What matters next is how the system is designed and controlled. Correct sizing, appropriate heater positioning, zoning and thermostatic control can all influence how the installed heating capacity is used.
Start by calculating the required wattage for the church, then use your own electricity tariff and expected operating schedule to build a realistic running-cost estimate for your project.
NEED HELP WITH YOUR PROJECT?
Find the right infrared heating setup for your space.
Use our wattage calculator to estimate your heating requirement, or speak to our team for product and project guidance.