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The geothermal heat pump system can be constantly used even in a cold district with an improved energy efficiency (coefficient of performance) comparing with an air source heat pump. Further, this system can greatly reduce carbon dioxide emissions more than system using fossil fuel. So, this system is in the spotlight as countermeasures against a heat island phenomenon in large cities in recent years.
1.Reduction of running cost
Place: A certain place in Aomori
Values: Based on the operation track record of 2004
* The track record of the snow melting system in Akita shows that running cost of electric snow melting systems have been reduced to 1/6 by implementation of the Geothermal Heat Pump system.
2.Energy saving effect
Place: A certain place in Aomori
Values: Based on the operation track record of 2004
3.Control of carbon-dioxide emissions
Place: A certain place in Aomori
Values: Based on the operation track record of 2004
4.Mitigation of the heat island phenomenon
Disposal of heat produced by air conditioning is generally radiated to atmosphere. This system stores exhausted heat to underground, and it mitigates the heat island phenomenon and also uses exhausted heat as heat source in winter.
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