Geothermal Heat Pump Articles

  • Ground Source Heat Pumps Rudges Hill Case Study

    Rudges Hill is a converted farm house in rural Oxfordshire undergoing renovation and extension. The owners were keen to reduce the future running costs of heating the house, producing hot water and heating the outdoor pool. Isoenergy installed a 34kW CTC ground source heat pump system with energy collected from 2,400 meters of horizontal collector ...


    By Isoenergy | ISO Energy Ltd.

  • Zoo-technical application of Ground Source Heat Pumps: a pilot case study

    Ground Source Heat Pumps are energy-efficient HVAC systems usually adopted in residential and commercial buildings. However the control of the thermal environment is required not only in spaces occupied by people, but also in intensive breeding farms, in order to maintain healthy conditions and to increase productivity. In the Italian livestock breedings, heating is usually provided by means of ...


    By Tethys srl

  • Geothermal plant protects pumps - case study

    This large geothermal company needed reliable equipment in the deserts of southeastern California. Geothermal plants turn water into to steam to drive turbines. Protecting the pumps is paramount. Keeping the inflowing water clean of debris and marine life, an IWS traveling water screen provides reliable removal with minimal labor. Debris is lifted from the water, and dropped directly into a ...


    By International Water Screens

  • Geothermal Heat Pump (GHP) - Case Studies

    Case Study: “GHP schools used approximately 26% less source energy per square foot of floor area,” according to an evaluation of Lincoln, Nebraska schools by the Department of Energy. The report concludes that the schools using GHP technology “outperform others in the school district.” Case Study: Annual electrical consumption in Fort Polk ...

  • Case study - Managing complex energy systems

    Introduction: Campus on a Renewable Mission The Chewonki Foundation owns and runs a school campus in Wiscasset, Maine that supports a high school program, a boys and girls summer camp, and an organic farm. Chewonki is an alternative school with a focus on environmental education and natural history. ch-classroom.jpgAs such, one of the Foundation’s goals is to teach its students ...


    By Powerhouse Dynamics

  • Ground Source Heat Pump installed in eco house

    This case study looks at a ground source heat pump being installed in London. A Ground Source Heat Pump was chosen as a sustainable and energy efficient way to provide 100% space heating and hot water for this 550m2 new build eco-house in East London. A Heat Recovery Mechanical Ventilation System was also utilised, which, together with Solar Thermal hot water and LED lighting give this stunning ...


    By Ground Sun

  • FEMP Publishes Aspinall Courthouse - Case Study

    The Federal Energy Management Program (FEMP) announces the publication of Aspinall Courthouse: GSA’s Historic Preservation and Net-Zero Renovation. This case study documents the effort of the U.S. General Services ...


    By US Department of Energy

  • Political will is only barrier to 100% renewables

    A new handbook shows how forward-looking communities around the world are already moving away from reliance on fossil fuels and generating their own power with 100% renewables − while also becoming more prosperous and creating jobs. The report, How to Achieve 100% Renewable Energy, is being released today, ahead of the UN Climate Summit in New York next Tuesday ...


    By Climate News Network

  • Proof: For superior energy efficiency - Water Beats VRF - Case Study

    ASHRAE’s Apples to Apples Comparison Proves Hydronics Delivers Superior Energy Efficiency over VRF For years Variable Refrigerant Flow (VRF) manufacturers have been touting their systems’ superior energy efficiency over hydronics without providing the supporting data. Then ASHRAE decided to showcase both systems in its Atlanta headquarters and meter their performance. ...


    By Evapco Inc.

  • Regional Development Agency case study

    Company Overview A Regional Development Agency (RDA) which combines an economic development role with community, cultural and Language-development activities. The RDA sponsors hundreds of companies that employ approximately 9,000 people. It is estimated that the RDA building stock of approximately 300 buildings, comprising 300,000 m2 of floor area, has CO2 emissions of 44,089 ...


    By Enerit Ltd

  • Combined Heat and Power – Questions and Answers

     1. What are the benefits of CHP for business?   combined heat and power (CHP) is a well-proven technology, recognised worldwide as a cleaner alternative to traditional centralised generation. Its long-term future in the global energy markets is secured by CHP's ability to provide a multitude of financial, ...


    By ENER-G

  • Exergetic and sustainability performance assessment of geothermal (ground source) ejector heat pumps

    Although ejectors have been used in cooling/refrigeration and Heat Pumps (HP) applications for a long time, utilisation of Geothermal Ejector Heat Pump (GEHP) with Ground–Heat Exchanger (GHE) is a new idea, which has recently appeared in the literature. In this study, we model a GEHP system with a GHE in terms of exergetic aspects and apply our model to this system in the heating mode. The system ...


    By Inderscience Publishers

  • Talking Point: Geothermal systems and the value of maintenance programmes

    Mike Deed, Managing Director of Geoquip Water Solutions, is the author of Talking Point in the October issue of Groundwater Engineering. He focuses on the huge benefits of installing a geothermal system and the importance ...


    By Geoquip Water Solutions

  • Heather glen country house hotel – renewable energy advice case study

    Background Heather Glen Country House Hotel in Cumbria was undertaking a major extension and alterations to the premises and sought advice from Envirolink Northwest on how to make energy improvements. Envirolink Northwest recommended a switch from LPG to a renewable biomass fuel, which was followed by assistance with an application for a local grant to help with the cost. The grant was ...


    By Envirolink Northwest

  • Thermodynamic analysis and assessment of space heating with ground–source heat pump for sustainable future

    In this paper, the thermodynamic modelling of exergy loss, exergy efficiency, exergy destruction rate, environmental destruction coefficient, improvement potential, exergy destruction factor, relative irreversibility, productivity lack and exergetic factor of ground source heat pump (GSHP) system are investigated. The results show that these exergy indexes should be used integratively. Compressor ...


    By Inderscience Publishers

  • GeoSmart bags multi-loop and pump handler

    GeoSmart Energy has acquired a time-saving multi-loop and pump handler designed for geothermal drilling. The GeoSmart Push'N Pull simplifies the installation of geothermal pipes in vertical drill applications, saving time, money and manual labour. "Geothermal drillers will appreciate its'push'factor for inserting pipe while water well drillers will love its 'pull' factor for extracting pumps ...

  • Malvern Community Hospital, Worcestershire - case study

    ENER-G delivered a solution that combines two low carbon technologies – a ground source heat pump system and a combined heat and power (CHP) unit - as part of the eco-friendly design brief set by Interserve, which was contracted by Worcestershire Primary Care Trust to build the £17.7 million new hospital. The 24-bed hospital will utilise renewable geothermal energy for heating, ...


    By ENER-G

  • Sherwood Energy Village - case study

    Local community project harnesses heat pump technology to build a sustainable future. Sherwood Energy Village (SEV) is a former colliery site in the East Midlands. In 1994 following the colliery’s closure the local community tasked itself with bringing sustainable development into the mainstream. ENER-G’s low cost sustainable heat pump technologies provided the SEV with a local ...


    By ENER-G

  • Building Energy Management System - Ford of Europe Daventry - case study

    Use ENER-G's intelligent building controls and take advantage of: Average financial savings of 43% No capital investment 30% reduction in C02 emissions ENER-G's innovative Building Energy Management System (BEMS) offers seamless integration with your buildings' heating, lighting and ventilation. Our high technology solution can reduce your energy consumption and ...


    By ENER-G

  • East Midlands airport, UK - case study

    Every year East Midlands Airport (EMA) connects 5 million passengers to over 100 travel destinations around the globe. The airport has won a number of prestigious travel awards including the World’s Leading Eco Friendly Airport in 2007. EMA contacted ENER-G regarding the provision of a sustainable solution to provide heating and cooling for their New Departures Pier. After an initial ...


    By ENER-G

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