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  1. Geothermal Heat Pumps - Department of Energy

    Geothermal heat pumps (GHPs), take advantage of the constant temperature of the shallow earth (40°-70°F/4.5°-21°C) to efficiently exchange temperatures, heating homes in the winter and …

  2. Geothermal Heat Pumps | Geothermal HVAC | Carrier

    Geothermal heat pumps are rated by their Energy Efficiency Ratio (EER) and the coefficient of performance (COP) rating, which is much like miles per gallon (MPG) for a car: the higher the …

  3. Geothermal Heat Pump: How It Works - This Old House

    Oct 8, 2024 · Geothermal heat pumps operate on simple thermodynamic principles, transferring heat between your home and the earth through a network of underground pipes. This process …

  4. Geothermal Heat Pumps - ENERGY STAR

    Geothermal heat pumps (GHPs) are among the most efficient and comfortable heating and cooling technologies currently available, because they use the earth's natural heat to provide …

  5. Geothermal heat pump | Description, Mechanism, Design, …

    A geothermal heat pump (GHP) is a heating and cooling system that takes advantage of the relatively stable moderate temperature conditions within the first 300 meters (1,000 feet) below …

  6. What Is a Geothermal Heat Pump? - hvac.com

    A geothermal heat pump uses the stable temperatures underground to provide homes with both heating and cooling.

  7. How Does a Geothermal Heat Pump Work? Complete 2025 Guide

    Jul 31, 2025 · What Is a Geothermal Heat Pump? A geothermal heat pump, also known as a ground-source heat pump (GSHP), is an energy-efficient heating and cooling system that …

  8. Best Geothermal Heat Pumps: Top Models, Costs, Efficiency, and ...

    Sep 3, 2025 · With careful selection and expert installation, the best geothermal heat pump can deliver decades of quiet comfort, low operating costs, and resilient performance across U.S. …

  9. Geothermal Heat Pumps - National Grid

    Geothermal heat pumps, also known as ground-source heat pumps (GSHP), extract heat from the ground during cold weather via an underground pipe system, which is then distributed …

  10. Geothermal Ground Source Heat Pumps

    Geothermal Heat Pumps work with nature, not against it, and they emit no greenhouse gases. Geothermal HVAC systems are becoming common features of eco-friendly homes and …