Monitored energy use of homes with geothermal heat pumps: A compilation and analysis of performance. Final report

The aim of this study is to assess how different renovation scenarios affect the environmental and economic impacts of a multi-dwelling building in a Nordic climate, how these aspects are correlated and how different energy carriers affect different environmental impact categories. In order to reduce greenhouse gas emissions, the European Union has set an agenda in order to reduce energy use in buildings. New buildings on the European market have a low replacement rate, which makes building renovation an important factor for achieving the European Union goals. In this study, eight renovation strategies were analyzed following the European Committee for Standardization standards for life cycle assessment and life cycle costs of buildings. This study covers all life cycle steps from cradle to grave. The renovation scenarios include combinations of photovoltaics, geothermal heat pumps, heat recovery ventilation and improved building envelopes. Results show that, depending on the energy carrier, reductions in global warming potential can be achieved at the expense of an increased nuclear waste disposal. It also shows that for the investigated renovation strategies in Sweden there is no correlation between the economic and the environmental performance of the building. Changing energy carriers in Sweden in order to reduce greenhouse gas emissions can be a good alternative, but it makes the system more dependent on nuclear power.

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GEOTHERMAL HEAT PUMPS

A-to-Z Guide to Thermodynamics Heat and Mass Transfer and Fluids Engineering ◽

10.1615/atoz.g.geoheapum ◽

2006 ◽

Vol g ◽

Keyword(s):

Heat Pumps ◽

Geothermal Heat

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Energy use and retrofitting potential of heat pumps in cold climate hotels

Journal of Cleaner Production ◽

10.1016/j.jclepro.2021.126799 ◽

2021 ◽

Vol 298 ◽

pp. 126799

Author(s):

S. Smitt ◽

I. Tolstorebrov ◽

P. Gullo ◽

A. Pardiñas ◽

A. Hafner

Keyword(s):

Energy Use ◽

Heat Pumps ◽

Cold Climate

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Social License to Automate: Emerging Approaches to Demand Side Management - Executive Summary

10.47568/4xr123 ◽

2021 ◽

Author(s):

Sophie Adams ◽

Lisa Diamond ◽

Tara Esterl ◽

Peter Fröhlich ◽

Rishabh Ghotge ◽

...

Keyword(s):

Case Studies ◽

Electric Vehicles ◽

Demand Side Management ◽

Heat Pumps ◽

Final Report ◽

Demand Side ◽

Executive Summary ◽

Air Conditioners ◽

Social License

Executive Summary of the final report of the Users TCP Social License to Automate Task findings from a 2 year project with 16 researchers in 6 countries, 26 Case studies spanning electric vehicles, home and precinct batteries, air conditioners and other heat pumps.

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Preliminary Feasibility Study of Groundwater Source Geothermal Heat Pumps in Mason County and the American Bottoms Area, Illinois

Volume 1: Combined Energy Cycles, CHP, CCHP, and Smart Grids; Concentrating Solar Power, Solar Thermochemistry and Thermal Energy Storage; Geothermal, Ocean, and Emerging Energy Technologies; Hydrogen Energy Technologies; Low/Zero Emission Power Plants and Carbon Sequestration; Photovoltaics; Wind Energy Systems and Technologies ◽

10.1115/es2014-6342 ◽

2014 ◽

Author(s):

Xinli Lu ◽

David R. Larson ◽

Thomas R. Holm

Keyword(s):

Ground Surface ◽

Heat Pumps ◽

Coefficient Of Performance ◽

Weather Data ◽

Single Family ◽

Geothermal Heat ◽

Geothermal Heating ◽

Heating And Cooling ◽

Groundwater Source ◽

Mason County

Groundwater source heat pumps exploit the difference between the ground surface temperature and the nearly constant temperature of shallow groundwater. This project characterizes two areas for geothermal heating and cooling potential, Mason County in central Illinois and the American Bottoms area in southwestern Illinois. Both areas are underlain by thick sand and gravel aquifers and groundwater is readily available. Weather data, including monthly high and low temperatures and heating and cooling degree days, were compiled for both study areas. The heating and cooling requirements for a single-family house were estimated using two independent models that use weather data as input. The groundwater flow rates needed to meet these heating and cooling requirements were calculated using typical heat pump coefficient of performance values. The groundwater in both study areas has fairly high hardness and iron concentrations and is close to saturation with calcium and iron carbonates. Using the groundwater for cooling may induce the deposition of scale containing one or both of these minerals.

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Exploration and drilling for geothermal heat in the Capital District, New York. Volume 4. Final report

10.2172/5904517 ◽

1983 ◽

Author(s):

Keyword(s):

New York ◽

Final Report ◽

Geothermal Heat

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Materials research and development needs to enable efficient and electrified buildings

MRS Bulletin ◽

10.1557/s43577-021-00241-x ◽

2022 ◽

Author(s):

Shuang Cui ◽

Adewale Odukomaiya ◽

Judith Vidal

Keyword(s):

Energy Use ◽

Energy Intensity ◽

Heat Pumps ◽

Cold Climate ◽

Vapor Compression ◽

Current State ◽

Material Component ◽

Challenges And Opportunities ◽

Materials Research ◽

Building Components

Abstract Because of the complexity of modern buildings—with many interconnected materials, components, and systems—fully electrifying buildings will require targeted R&D and efficient coordination across those material, component, and system levels. Because buildings that consume the smallest amount of energy are easier to electrify, energy efficiency is a crucial step toward fully electrified buildings. Materials advances will play an important role in both reducing the energy intensity of buildings and electrifying their remaining energy use. Materials are currently being explored, discovered, synthesized, evaluated, optimized, and implemented across many building components, including solid-state lighting; dynamic windows and opaque envelopes; cold climate heat pumps; thermal energy storage; heating, ventilating, and air conditioning (HVAC); refrigeration; non-vapor compression HVAC; and more. In this article, we review the current state-of-the-art of materials for various buildings end uses and discuss R&D challenges and opportunities for both efficiency and electrification. Graphical abstract

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