Energlo 24

The Compact Form of Energy Extraction – Geothermal Heating

Posted on October 18, 2013 by

Geothermal Heating and Cooling Installation

This informational video is from Rehau North America, a German company that provides construction solutions for energy efficient heating and cooling. The presentation is in several languages (primarily Spanish), and it demonstrates how part of a geothermal system is installed into the earth at a construction site.

The overview includes, trench excavation, drilling, preparation and insertion of the helix, borehole backfilling, helix connection, and trench backfilling.

One of the most abundant renewable energy resources is the earth’s natural thermal energy.

When the system is complete, it will utilize a small amount of electricity to collect heat energy from the ground and deliver it to a nearby building for heating and cooling. It is one of the most energy efficient methods of heating and cooling. A ground source heat pump system circulates a fluid through a ground loop (or helix) heat exchanger. The heat is then concentrated and discharged using a compressor and heat exchanger. The process is revered in the summer for cooling, taking the heat from the building and dispersing it into the soil via the ground loop heat exchanger.

To get the most of a geothermal heating and cooling system, homeowners can combine the system with radiant heating. Regardless of what type of heat source is used, radiant heating alone can save homeowners up to 30% on their energy bills. The savings can be increased even more if the radiant heating system utilizes the same ground source heat pump as well.

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