Heat Pump
Heat Pumps are based on refrigeration technology. The system collects low-level heat from the ground and raises the temperature to a level suitable for space heating. It is ideally suited for use with under floor heating. There is no storage, ordering of fuel, cleaning or annual services and it emits 40% less CO² than conventional heating.
There are a number of different options to collecting this low level heat source depending on the site.
Ground Sourced Heat Pumps; usually use a network of pipe buried about 2 feet under an area that will be a lawn, this is known as the horizontal collector array. Vertical collector arrays use bore holes up to 150 metres in depth; these are ideally suited to small sites. The use of any water source on site like a stream or pond is known as an open loop system. These heat pumps are compact; and both indoor and outdoor units are available.
Air Sourced Heat Pump; Collect heat directly from the air, these heat pumps are quicker and less expensive to install but will have a lower annual efficiency. These are outdoor units
- Efficient – 1 Kw of electricity can yield up to 4Kw of heat.
- Night rate electricity – 8Kw’s of heat for the cost of 1Kw.
- Ideally suited to under floor heating.
- No storage, ordering of fuel, cleaning or annual services.
- Emits 40% less CO² than conventional heating.
- Geothermal – economically sound and environmentally sensitive option.