Geothermal energy is thermal energy generated and stored in the Earth. Thermal energy is energy that determines the temperature of matter. Earth's geothermal energy originates from the original formation of the planet, from radioactive decay of minerals and from volcanic activity. The geothermal...
Hi,
I'm planning to replace a back boiler (which is at least 15 years old) with a combi boiler. Assuming that the rest of the system is the same age, is it sufficient to flush the existing radiators and pipes, or is it better to replace the radiators and pipework as well?
Duraflow | Leaky...