Product category:
Heating Systems, Controls and Management
News Release from: Lampoassa / c/o Finn-Geotherm | Subject: Geothermal energy extraction
Edited by the Buildingtalk Editorial
Team on 15 June 2007
Geothermal energy extraction in eco
project
Along the UK's Heritage Coast in Suffolk is a ground breaking demonstration of the use of geothermal energy extraction, built as part of an eco home project.
A ground breaking demonstration of the use of geothermal energy extraction has been built as part of an eco home project along the UK's Heritage Coast in Suffolk Novel heat pump technology developed by Lampoassa Oy in Finland has been installed in a recently constructed eco home to supply the complete home heating requirements of this environmentally friendly house
This article was originally published on Buildingtalk on 17 Jan 2003 at 8.00am (UK)
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The owner of the new property, Roger Kendrick, was looking for a suitable environmentally friendly solution that would also give long term energy and financial savings.
He was also particularly keen to have a system that is reliable and once fitted, will monitor the outdoor temperature and automatically make its own adjustments, i.e to fit and forget.
The house has been constructed from traditional materials and contains many other green technologies including photovoltaic cells.
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The heat pump system has been installed by Lampoassa's UK representative, Finn-Geotherm .
The installation demonstrates that heat pump technology is capable of offering an efficient and competitive alternative to traditional oil-based heating systems with the advantage of being a green technology.
Recent developments in more efficient heat pump technology come at a time when the UK is looking at the potential of a variety of green technologies for domestic and commercial energy supply.
Ground source heat pumps for domestic heating applications can reduce overall carbon emissions while offering long-term financial savings.
For architects and engineers, heat pump systems can be incorporated easily into a range of building designs.
Geothermal technology is becoming increasingly attractive for light industrial and large dwelling applications.
"Architects are starting to consider the use of heat pump technology when embarking on new designs," explains David Alston, consulting engineer and one of the owners on Finn-Geotherm.
Geothermal technology can be an environmentally friendly and cost effective method of heating in a range of building types.
For the Suffolk eco home project, the 250 sq.m property uses a Lampoassa T-9, with a separate 700 litre thermal store cylinder to provide under floor heating.
The system also has 700 metres of ground collector pipe located in a nearby paddock.
Heat pumps act rather like a refrigerator in reverse.
The heat that is extracted is normally between 8-10oC and after passing through various heat exchange phases is raised to a temperature of between 55-60oC which is used for water heating.
Heat pump technology is a very efficient form of energy.
David Alston explains, "For every kW you need to generate power, you get 4kW out." This is compared to oil systems where only 0.8 to 0.9 kW is gained for each kW consumed.
The key benefits are cost savings with payback times between six to eight years.
Also heat pump technology is extremely reliable with long life times of up to 20 years compared with an oil-fired boiler which will need replacement after only 10 years.
"Plus it is the only form of green energy that can provide a dwelling's total heating needs," points out David Alston.
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