| Heat of earth |
| Heating costs | |
| Your house of apartment is built past 1984? In most cases, You will see, this company building from 1984 has less heating costs per squaremeter. | |
| Company building |
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| Built 1984 with 24 m² heat collectors on the roof. 2005 had been 153 m² photovoltaic with 21.65 kW peak added. The estimeated yearly yield was 20500 kWh, 2007 was the yield 22400 kWh. | |||
| Heat collectors |
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| Full with water collector system. For warming up the earth collector is also a low temperature enough. Sometimes also without sun, when the air is warm enough. | |||
| Switchboard for the heat management |
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| Original from 1984, this switchboard controlls the heatpump, the 2 earth collectors and the heat collector on the roof. | |||
| Earth-collector |
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| Take not only heat, give also heat. The earth collector as a low temperature saisonal storage. Heat from the 24 m² solar collector on the roof heat up the earth collector. | |||
| Heat pump Siemens SA 30 P |
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| In front of the company building outside is this 29 kW heat pump. At a heat pump, each degree Celsius teperature difference is important. | |||
| Floor heating |
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| Floor heating is not equal to floot heating. A very uniform distribution of the heat makes a very low input temperature possible. Less electric power demand at the heat pump. | |||