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Geo Solutions

Why use Geothermal?

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Heating and Cooling

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Green buildings

Geoheat, in particular the indirect systems that utilise ground source heat pumps (GSHPs), is present in many of the most efficient and greenest buildings in the world. The high efficiencies and thermal storage capabilities of these systems can often double the efficiency of conventional HVAC, while removing the aesthetic and acoustic issues associated with outdoor heat pump units.

Industrial process heat

Geoheat systems can replace carbon intensive fossil fuel boilers in a number of industrial applications. Direct heat examples, often cascaded from geothermal power plants, are already in use in New Zealand within the Taupo Volcanic Zone and Northland. The development of high temperature heat pumps that can utilise low temperature geothermal systems now makes such applications available to the rest of the country.

District heating and cooling

Whereas the original district systems were heating only, often from a geothermal source, modern fifth generation systems provide both heating and cooling. They can utilise a central energy plant or each building can have their own heat pump(s) as best suits the individual application. In either case, each building benefits from an efficient and sustainable operating system. Geoheat enables both types of systems depending on the underlying geological conditions.

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