As the Chinese proverb goes, “When the winds of change blow, some build walls, others build windmills.” In the case of ...

Finland is building the world’s largest heat pump to warm homes in Helsinki. The air-to-water heat pump is being installed to help decarbonise the city’s district heating system. District ...

QUESTION Have any alternative windmill designs been trialled ... Centred around Constantinople, it controlled parts of Thrace and some Aegean islands, and laid claim to various Balkan states.

Heat pumps can run on gas, electricity or solar, depending on the type and your specific energy needs. These appliances can struggle with frigid temperatures, so are more common in parts of the ...