Renewables
Getting started with renewables
Instead of buying all of your energy from suppliers, you can install renewables technology (also called micro generation and low-carbon technology) to generate your own.
Why install renewables?
There are lots of good reasons to use renewables. You will be:
• making use of secure, local resources
• reducing your dependence on non-renewable energy
• helping to reduce the production of carbon dioxide and other greenhouse gases
• saving and even earning money
Ground Source Heat Pumps
Ground source heat pumps (GSHPs) use pipes which are installed in boreholes to extract heat from the ground. This heat can then be used to heat radiators, underfloor or warm air heating systems and hot water in your home.
A ground source heat pump circulates a mixture of water and antifreeze around a loop of pipe, installed in your borehole. Heat from the ground is absorbed into the fluid and then passes through a heat exchanger into the heat pump. The ground stays at a fairly constant temperature under the surface, so the heat pump can be used throughout the year. The length of the ground loop depends on the size of your home and the amount of heat you need.
The benefits of ground source heat pumps
• lower your fuel bills, especially if you replace conventional electric heating
• could provide you with income through the government’s Renewable Heat Incentive (RHI)
• could lower home carbon emissions, depending on which fuel you are replacing
• no fuel deliveries needed
• can heat your home as well as your water
• minimal maintenance required
Unlike gas and oil boilers, heat pumps deliver heat at lower temperatures over much longer periods.
Air source heat pumps are usually easier to install, but they are often less efficient than ground source heat pumps.