Information


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The Geo-Heat Center conducted a life-cycle cost analysis for various heating, ventilating, and airconditioning (HVAC) systems for the proposed new office building on the Winnebago Reservation in northeastern Nebraska. Three HVAC systems were considered: (1) rooftop units with gas heat and direct expansion (DX) cooling (air-cooled condensers), (2) air-source heat pumps, and (3) geothermal heat pumps (GHPs).

LIFE-CYCLE COST STUDY OF A GEOTHERMAL HEAT PUMP SYSTEM


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A geothermal district heating system has the potential to offer substantial benefits. The primary benefit is a stable energy price for a long period of time. Other benefits include the potential for a competitive price, use of a renewable, non-polluting, resource plus quiet operation. Further, the Pueblo of Jemez could achieve a measure of energy selfsufficiency and retain […]

Geothermal Feasibility Study


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Previous analyses have suggested that the amount of thermal energy available for Enhanced Geothermal System (EGS) development is enormous. However, these earlier works did not use detailed geologic information – and, as a result, the methodologies employed and resulting resource estimates 2­3 were, by necessity, somewhat simplified.

Geothermal Resource­Base Assessment



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There are several State and Federal incentive programs for geothermal heating and cooling systems for new and retrofit commercial buildings.  These incentives can amount to over 50% of the fully installed cost over the first five years.  Commercial incentives can appear a bit complex at first glance but their implementation is fairly straightforward once you sort it […]

Commercial Geothermal Incentive Programs







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How to avoid the pitfalls in sizing a Geothermal heating and cooling system for your home. The accepted method of sizing any heating or cooling system, especially when installing a geothermal heating system for your home, is to have a competent person do a heat loss for heating requirements and heat gain for cooling requirements.

How to Size a Geothermal System