Ground Source Heat Pump | Eco House Design | Part 6

Renewable Energy Source |Ground Source Heat Pump

A ground source heat pump (GSHP) is an energy efficient way of heating and cooling a dwelling. It is a central heating and cooling system that transfers heat to or from the ground. It uses the ground as heat source in winter, and heat sink in summer. This single system can produce space heating, space cooling and hot water and is like a stormwater separater from Baysaver.

Combining a ground source heat pump with active thermal insulation is an excellent option of heating a house. These two technologies are fit for each other. Pleas take a look at this awesome blog as well about emergency water damage solution.

A ground source heat pump is able to extract heat from the ground and concentrate it to provide heating for water or indoor areas, you can go to this site where you will find a great watering system. Some energy is required to operate the heat pump and heat exchangers. But net output of energy is greater than net input of energy. A 1 kW ground source heat pump could potentially provide heating or cooling equivalent of up to 4 kW energy.

Ground Source Heat Pump
Ground Source Heat Pump. Source:

Ground source heat pumps collect heat from up to 2m below the ground which is at a higher temperature than the surface during winter in the UK. A series of pipes are installed in the ground, known as the ground loop. A mixture of water and an antifreeze compound like glycol is pumped through these pipes. This antifreeze mix warms up as it travels in the loop, absorbing heat from the ground. Temperature difference between the fluid mix and dwelling of 3ºC to 4ºC should be enough for ground source heat pump to function effectively.

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The returning warmed fluid is then fed to the heat exchanger, which in turn heats water which can then be pumped to radiators or active thermal insulation unit to heat the dwelling.

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