Case Study 01

Here's how the owner of this home saved £3,243.24 a year on their heating bills by switching to infrared heating.

Below you’ll find the floor plan for the downstairs area of a very well insulated home.

Taking these measurements into account, as well as the 2.5m high ceiling, we can calculate the required wattage for each room as the following:

Room Volume (m3) Equivalent Surface Area (m2) Required Infrared Wattage (W)
Living Room 82.5(m3) 33(m2) 1650(W)
Dining Room 20(m3) 8(m2) 400W(W)
Kitchen 30m(m3) 12(m2) 600W(W)

This means we can use a 900W panel and a 700W panel in the living room, a 350W panel in the dining room, and a 600W panel in the kitchen. With an average daily use of 5.5 hours, and a maximum price of 36p per kWh, the cost of running Infrared Panels downstairs for a year comes to the following:

Room Yearly Power Consumption (kWh) Cost (£))
Living Room 3363.36kWh £1,210.81
Dining Room 720.72kWh £259.46
Kitchen 1201.2kWh £432.43

These figures are likely to be higher than normal, as the heaters probably won’t be on during summer. Doing the same for electric convection heaters gives us the following costs:

Room Yearly Power Consumption (kWh) Required Convection Wattage (W) Volume (m3) Cost (£))
Living Room 7567.56kWh 3780W 82.5m(3) £2,742.32
Dining Room 2682.68kWh 1340W 20m(3) £965.76
Kitchen 4044.04kWh 2020W 30m(3) £1,455.85

While these are unlikely to be used during summer as well, it does go to show the huge difference in cost. The cost of heating the living room would fall by 56%, whilst the cost of heating the dining room and kitchen would drop by 73% and 70% respectively.

In total, the actual annual saving is £3,243.24.

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