24-hour test
Current WIBO Information
Heating around the clock 29.1.
24-hours, thermostatically controlled 20.5°C in a room of 21.5 m2 floor area x 2.65 m height = 57 m3 at winter temperature (partially with ground frost).
Location: Hamburg/Pinneberg
Type and location of the room:
West-facing, ground floor, 1 external wall, window 4.0 m2.
Outdoor temperature:
between 0°C and 5°C, night frost -1°C. The temperature was lower than the average of the last 29 years during the heating period.
Indoor climate during the test:
20.5°C room temperature, thermostatically controlled with WIBO room thermostat. Due to humidity of 50% - 60% relative humidity, very good cosiness.
The radiator:
WIBO 2000-watt appliance with wall thermostat and humidifier.
The entire test was conducted automatically, without the WIBO radiators, wall thermostat or recording electronics being changed or switched manually. The recording took place using an electronic precision recorder, which recorded the heating times with and without power consumption precisely to the second and transferred these to the measurement curve.
The result:
24 hours of consistent indoor climate with only 20.5°C heat, only 6 hours and 52 minutes electricity consumption: 28.6%.
Therefore, only 17 minutes of electricity consumption per heating hour.
The test clearly confirms the statement regarding the cost-saving controllability of the WIBO room heating system! Lower costs, as a result of the WIBO room heating system with a humidifier and room thermostat!
The consumption data relate to the conditions found in the test. Ultimately, you are the one who determines your energy costs (1° C more room temperature = 6 % more heating costs). With a higher heating requirement (e.g. 23°C or 25°C of comfort temperature instead of the 20°C envisaged under building law), with frequent ventilation or opened doors and also heating other rooms, it is natural that different values occur. Individual heating and comfort in any room with any required temperature is no problem with WIBO radiators, however, the energy costs also change. You can achieve additional energy savings with the reduction at night using the time-controlled WIBO room thermostat.
Numbers, data, facts – the bases of our room test
We have already been conducting room tests with our 2000-watt radiator since 1972, in order to create a general precondition for calculating consumption costs. In February, with cold outdoor temperatures and ground frost of up to 1.8°C, we again conducted a consumption cost test with a company radiator, according to strict scientific methods, on the basis of official temperature measurements by the German Maritime Weather Office. The test object, a lounge with a size of 21.5 m2, was in normal, residential use during the test, i.e. the door was opened and closed, ventilation occurred several times. The room temperature was measured with three thermometers at three different locations in the room, in order to obtain a real average. During the test, it was a constant, thermostatically regulated 20.5°C. Heating occurred for 24 hours, i.e. around the clock. Normally, heating occurs for 14 to 15 hours per day. For employed persons, very much less. During 14 hours of the test, the average outdoor temperature, at 2.7°C and ground frost at times of -1°C, was 1.8°C lower than the average temperature for the last 29 years for the months of October to April. With a heating cost calculation, facts can only be used as a basis, which are documentable. One fact is that the average temperature during the heating period from October to April in Hamburg was +4.5°C. During the months of October and April, the average temperature was at 9.3°C. Therefore, significantly less electricity will be used, compared to the room test. In the months of November and March, with an average of +4.7°C, it will be somewhat lower and only from December to February, with an average of +1.2°C, somewhat higher. The specified average temperatures were kindly provided to us by the German Weather Service Maritime Weather Office Hamburg. The room test proves: In order to obtain a pleasant, comfortable indoor climate, only 17 minutes per hour of electricity are utilised. This is only 28 % of the entire heating period. This means that with 14 hours of full heating, there are only 4 hours of electricity consumption per day. Heating more conveniently, more healthily and more economically – with simultaneous humidification – this cannot be promised by any other heating system.
What are the reasons for these enormously economical consumption costs?
- The heater already emits heat directly to the ambient air seconds after being switched on.
- The energy is converted into heat, virtually 100%, without any losses.
- The heat remains in the room! It is not constantly sucked up and replaced with cold, outdoor air, as it is with individual radiators with a chimney connection. Such radiators need a great deal of air in order to maintain the flames and generate heat. This is constantly removed from the expensively heated ambient air. Therefore, the cold outdoor air penetrates inward through doors and window gaps and the rooms becomes a cold-air lock. In a furnace, approx. 35-50 m3 of air is "burnt up" per hour, so that the entire ambient air is necessarily replaced every 1-2 hours. Furthermore, constantly maintaining the flame or ember requires a great deal of patience, even if the heat is not required, just so that the fire does not go out.
- Distinct thermal air circulation takes cooler air from the ground and distributes the heat evenly – also onto the walls. No excess heat below the ceiling anymore, which would only benefit the person living above it, and no cold feet.
- Through the quick heating, the walls heat up rapidly – these maintain the heat. In contrast, cold walls with uneven heat distribution swallow up heat - more heating would need to occur.
- The built-in humidifier saves up to 10 % of heating costs. In addition to the well-known hygienic and health advantages of humidification, the heat conductivity of the air is improved significantly. Moist air seems to be warmer – e.g. at 20.5°C with humidity, you feel just as comfortable as you would at 22°C without humidity. The difference is the saved heating costs. This is also scientifically documented.
- A WIBO wall thermostatic control saves up to 30 % in heating costs compared to non-regulated appliances.
- Electricity at economical fixed rates is fully-fledged, environmentally friendly heating energy. Heat from electricity is economical and crisis-proof.
efficient – clean – high-performance
There is nothing better than that