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Accurate calculation instead of guessing is the secret of a smoothly working heating system

A good and efficient infrared heater must be precisely calculated – the experts call it "heating design".

Because only then can you be absolutely sure that you get comfort in an efficient way and have invested your money wisely. Therefore easyTherm calculates each heater in conformity with standard EN 12831.

That makes it difficult to communicate individual prices per panel – because you want to have a solution and not buy individual parts.

All essential cost factors are taken into account with a professional heating design such as is included in the service package of easyTherm and its partners: Acquisition costs, financial costs, operating costs for service, maintenance, supply and storage as well as the consumption costs of the heating requirements.

Each living situation is different. For a heating system to work well, it must be calculated and designed accurately. Don't hesitate to arrange for a consultation that puts you under no obligation and have the high-tech infrared heater be tuned precisely tailored to your living situation.

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Make the comparison yourself!

We have listed for you specific examples of current projects below that give you an idea about investment costs and the required products. For better understanding we have defined the most important terms and key figures in a key .

Construction data

Year of construction 2015
Building materials timber frame 24 cm
Wall thickness 24 cm
Heated area 150 m²
Estimated heating demand 30 kWh/m²/year

Equipment

Panels 1x comfort1350
7x comfort700
3x comfort350
control 11x thermostat wire
Connection value 3.650 Watts

Total costs

Electricity price €0.18/kWh
Investment costs € 9.478,--
Energy demand, conventional heating system 9,441.23 kWh/year
Energy demand easyTherm 4,421.09 kWh/year
Heating costs including solar gains € 676.43
Heating costs excluding solar gains € 795.80

Construction data

Year of construction 1990
Building materials timber frame 38 cm + XPS 6 cm
Wall thickness 44 cm
Heated area 150 m²
Estimated heating demand 55 kWh/m²/year

Equipment

Panels 1x comfort2000
5x comfort1350
1x comfort700
1x comfort350
2x comfortSoft1000
2x comfortSoft500
control 11x thermostat wire
1x easyConnect
1x easyComfort
Connection value 6.425 Watt

Total costs

Electricity price €0.18/kWh
Investment costs € 12.575,--
Energy demand, conventional Heating system 12,955.80 kWh/year
Energy demand easyTherm 8,813.76 kWh/year
Heating costs including solar gains € 1,348.50
Heating costs excluding solar gains € 1,586.47

Construction data

Year of construction 1976
Building materials bricks & insulation
Wall thickness 40 cm
Heated area 65 m²
Estimated heating demand 25 kWh/m²/year

Equipment

Panels 1x comfort1030
1x comfort700
3x comfortSoft500
control 5x thermostat wire
Connection value 1.615 Watts
   

Total costs

Electricity price €0.18/kWh
Investment costs € 4.730.--
Energy demand, conventional Heating system 3,000 kWh/year
Energy demand easyTherm 995.16 kWh/year
Heating costs including solar gains € 134
Heating costs excluding solar gains € 179

Construction data

Year of construction 2015
Building materials solid wood beams/Heralan WP 26 cm + EPS 10 cm
Wall thickness 41 cm (including plaster & fire protection)
Heated area 110 m²
Estimated heating demand 46 kWh/m²/year

Equipment

Panels 1x comfortSoft1500
1x comfort1030
4x comfort700
1x comfortSoft500
control 7x thermostat wire
Connection value 2.915 Watts

Total costs

Electricity price €0.18/kWh
Investment costs €7.236,--
Energy demand, conventional Heating system 7,292 kWh/year
Energy demand easyTherm 3,300 kWh/year
Heating costs including solar gains € 445.63
Heating costs excluding solar gains € 594.17

Construction data

Year of construction 2015
Building materials solid timber 14 cm
Wall thickness 14 cm
Heated area 90 m²
Estimated heating demand 94 kWh/m²/year

Equipment

Panels 2x comfort2000
4x comfort1030
2x comfort700
1x comfortSoft500
control 6 x thermostat wire
Connection value 5.060 Watts

Total costs

Electricity price €0.18/kWh
Investment costs € 9.955,--
Energy demand, conventional Heating system 8,490 kWh/year
Energy demand easyTherm 6,306 kWh/year
Heating costs including solar gains € 964.95
Heating costs excluding solar gains € 1135.25

Construction data

Year of construction 2015
Building materials reinforced concrete 20 cm + timber insulation 20 cm
Wall thickness 40 cm
Heated area 90 m²
Estimated heating demand 46 kWh/m²/year

Equipment

Panels 2x comfortSoft250
4x comfortSoft500
2x comfort1030
1x comfort700
control 8x thermostat wire
Connection value 2,630 Watts

Total costs

Note: Electricity price €0.18/kWh
Investment costs € 7.713,--
Energy demand, conventional Heating system 7,006 kWh/year
Energy demand easyTherm 3,318 kWh/year
Heating costs including solar gains € 447.99
Heating costs excluding solar gains € 597.32

Construction data

Year of construction 1990
Building materials vertical coring bricks 31 cm + EPS 10 cm
Wall thickness 41 cm
Heated area 110 m²
Estimated heating demand 55 kWh/m²/year

Equipment

Panels 3x comfort2000
1x comfort1350
1x comfort1030
2x comfort700
1x comfort350
1x comfortSoft1500
control 9x thermostat wire
Connection value 5.890 Watts

Total costs

Electricity price: €0.18/kWh
Investment costs € 10.912,--
Energy demand, conventional Heating system 10,329.33 kWh/year
Energy demand easyTherm 7,489.78 kWh/year
Heating costs including solar gains € 1,145.94
Heating costs excluding solar gains € 1,348.16

Construction data

Year of construction 2016  
Building materials cross-layer timber plate 12 cm + mineral wool 18 cm  
Wall thickness 30 cm Heated area 680 m²
Estimated heating demand 30 kWh/m²/year  

Equipment

Panels 5x comfortSoft1500
5x comfortSoft250
20x comfortSoft500
5x comfort1030
7x comfort700
8x comfort350
control 48 x thermostat wire
Connection value 15.800 Watts

Total costs

Electricity price €0.18/kWh
Investment costs € 44.522,--
Energy demand, conventional Heating system 38,785 kWh/year
Energy demand easyTherm 13,871 kWh/year
Heating costs including solar gains €1,872.54
Heating costs excluding solar gains €2,496.72

Construction data

Year of construction 2015
Building materials timber frame 20 cm + mineral wool 10 cm
Wall thickness 30 cm
Heated area 300 m²
Estimated heating demand 100 kWh/m²/year

Equipment

Panels 15x comfort2000
control 3x thermostat radio
20x connect radio
connection value 15.375 Watts

Total costs

Electricity price €0.18/kWh
Investment costs €23.367,--
Energy demand, conventional Heating system 44,598 kWh/year
Energy demand easyTherm 27,339 kWh/year
Heating costs including solar gains €2,187.12
Heating costs excluding solar gains €4,374.23

Construction data

Year of construction 2014  
Building materials porous hollow bricks 25 cm + EPS 14 cm  
Wall thickness 39 cm Heated area 854 m²
Estimated heating demand 45 kWh/m²/year  

Equipment

Panels 23x comfortSoft500
1x comfortSoft1500
32x comfort1030
control 29 x thermostat wire
Connection value 22.980 Watts

Total costs

Electricity price €0.18/kWh
Investment costs € 54.355,--
Energy demand, conventional Heating system 51,531 kWh/year
Energy demand easyTherm 21,903 kWh/year
Heating costs including solar gains €3,351.24
Heating costs excluding solar gains €3,942.63

Construction data

Year of construction 2015
Building materials reinforced concrete 30 cm + XPS 12 cm
Wall thickness 42 cm
Heated area 2,000 m²
Estimated heating demand 50 kWh/m²/year

Equipment

Panels 58x IP2700
9x comfort1500
9x comfort500
control 27x thermostat wire
Connection value 69,000 Watts

Total costs

Note: Electricity price €0.18/kWh
Investment costs € 119,606.64
Energy demand, conventional heating system 226,486 kWh/year
Energy demand easyTherm 94,128 kWh/year
Heating costs including solar gains € 12,707.37
Heating costs excluding solar gains € 16,943.16

Heating demand (HWB)

On cold days, a building is supplied with heating warmth in order to bring the inside temperature to a level that is pleasant for the inhabitants. This is also called heating demand. It specifies the calculated amount of energy to be supplied to a building within the heating period in order to maintain the desired indoor temperature (standard = 20°C). This heating demand can be further reduced by minimising heat losses through good thermal insulation, for example, and maximum solar heat gains.

Connected value

The term connected value (or power input) of an electrical appliance is the maximum electric power that can be obtained from the mains. In our example calculations, we have added the power inputs of the individual panels to calculate the power consumption.

Energy demand (in kWh)

Energy demand or energy consumption refers to the consumption of energy sources, e.g. the consumption of fuel oil, natural gas or electric energy. Of special interest is the energy content of these sources, or the energy amount released, e.g. as heat, also known as heating value or calorific value. This enables a direct comparison between the consumption of different energy sources.

Solar gains

When the sunlight strikes a building, this results in the input of heat into the building. Most of these solar gains are made through the windows through which the sun energy can penetrate. This solar energy is absorbed and converted into heat in the room. The heat is then distributed in the room and basically works the same as the heating supplied by other energy sources.