Is a geothermal heat pump worth it? This video explores the efficiency and effectiveness of geothermal (ground source) heat pumps compared to air source systems. Despite the higher upfront cost, ...

On an unassuming street in Cardiff, engineering geologist Ashley Patton is lifting the lid on what looks like an ordinary drain cover. But deep inside is one of 234 boreholes, first drilled by the ...

There could be an untapped resource under everyone's feet in Wales' capital that could lead to cheaper heating bills On an unassuming street in Cardiff, engineering geologist Ashley Patton is lifting ...