Links of Interest

Introduction to renewable energy

Canadian Geo-Exchange Coalition

Geoexchange BC

Geothermal Heat Pumps

Geothermal Heating Systems

GeoExchange (GHPC)

Home Power Magazine

International Ground Source Heat Pump Association

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Ground Source Heating

(aka GSHP, GeoExchange or Geothermal)

 

Sustainability has been defined as “the ability to meet the needs of the present without compromising the ability for future generations to meet their own needs.”  The cost of fossil fuels is rising as gas and oil resources become more scarce and more expensive to locate.

We must ask ourselves how long we can keep doing what we’re doing before we run out of energy resources.

 

GeoExchange™ systems (also known as geothermal systems, ground source heat pumps, GSHP or earth energy systems) make use of constantly renewable solar energy that's stored in the ground. It’s free...and available everywhere on earth!

Natural Resources Canada ( NRCan) and the US Environmental Protection Agency have stated that geoexchange systems are the most energy-efficient, environmentally clean, and cost-effective space conditioning system available on the market today.

A ground source heat pump takes heat from the ground at a temperature of between 8 to 12 degrees, compresses it, and then distributes it throughout the building at a higher temperature, allowing the unit to supply more heat than the equivalent energy supplied to the heat pump. 

Even during long, cold, winters in the far north, the ground retains a constant temperature of approximately five to eight degrees Celsius, making ground source heat pumps practical for all latitudes.

              Variations of ground heat exchanger installations.

             Horizontal loop                                            Pond loop                              Vertical drilled loop