Engineers in Germany have been working on the heat pump for the past thirty years. Back then, STIEBEL ELTRON started to develop units that would use renewables. So not only has the company been one of the pioneers, but it continues to blaze a trail today for new developments. Progress is particularly evident in the units’ efficiency. Today’s heat pumps outperform the earlier models several times over.
Compact heating systems have since been added to the classic heat pump systems, using environmental energy to provide central heating, hot water, cooling and ventilation. They are simple to install and offer total convenience. In terms of service life, heat pumps are comparable with any other heating system. Many systems have been in constant operation for more than 25 years without a problem – in fact they have been extremely reliable and have required practically no maintenance.
Heat pumps are recommended for use in conjunction with low temperature or underfloor heating systems. But even with radiators and flow temperatures of up to 55 degrees, there is still a convincing argument for heat pumps in terms of heating costs and environmental pollution.
Heat pumps designed to use the energy from the earth or from water are always installed in the cellar or utility room. If you wish to heat your house with outside air, the option is available to install the heat pump outdoors (in the garden for example) or in the cellar.
Heat pumps are increasingly coming to the fore not just in new buildings, but as part of modernisation work too. So these highly efficient systems can be used to replace an existing gas or oil boiler. Often it is possible to continue using the existing heat distribution system without any modifications, particularly if the building's heat demand has been reduced over the years through additional heat insulation measures.